CHAPTER 4 ANIMAL KINGDOM QUESTIONS PRACTICE
Which of the following is a basic feature of all the organisms of Animalia?
(a.) Multicellular structure
(b.) Sensory and neuromotor system
(c.) Terrestrial habitat
(d.) Locomotion
ANSWER (a.) Multicellular structure
CHAPTER 4 ANIMAL KINGDOM QUESTIONS PRACTICE
Which of the following lack tissue grade organization?
(a.) Metazoans
(b.) Eumetazoans
(c.) Parazoans
(d.) None of these
ANSWER (c.) Parazoans
Match the columns.
| Column-I | Column-II | ||
| (A) | Organ level | (1) | Pheretima |
| (B) | Cellular aggregate level | (2) | Fasciola |
| (C) | Tissue level | (3) | Spongilla |
| (D) | Organ system level | (4) | Obelia |
Codes-
(A) (B) (C) (D)
A) 2 4 3 1
B) 2 3 4 1
C) 4 1 2 3
D) If both assertion and reason are false.
ANSWER D) If both assertion and reason are false.
Choose the correct option
(a.) Ctenophores and Platyhelminthes possess complete digestive system.
(b.) Aschelminthes to chordates, all possess organ system level of organization along with complete digestive system.
(c.) Coelenterates and Aschelminthes possess organ system level of organization along with complete digestive system.
(d.) Poriferans may possess complete digestive system.
ANSWER (b.) Aschelminthes to chordates, all possess organ system level of organization along with complete digestive system.
The entry of food and exit of waste takes place from separate openings in
(a.) organisms having incomplete digestive system
(b.) coelenterates, ctenophores and Platyhelminthes
(c.) organisms having complete digestive system
(d.) organisms having cellular level of organization
ANSWER (c.) organisms having complete digestive system
Which of the following is incorrect?
(a.) Some division of labour (activities) occur among the cells in the members of phylum porifera.
(b.) Division of labour (activities) is completely absent among the cells in poriferans.
(c.) Open circulatory system is found in Tunicates, hemichordates, and noncephalopod molluscs.
(d.) All of these
ANSWER (b.) Division of labour (activities) is completely absent among the cells in poriferans.
Choose the incorrect option.
(a.) Complete digestive system – Two openings, mouth and anus
(b.) Incomplete digestive system – Single opening system
(c.) Open circulatory system – Blood is circulated through tubes
(d.) Closed circulatory system – Arteries veins and capillaries present
ANSWER (c.) Open circulatory system – Blood is circulated through tubes
Choose the correct body symmetry shown in the diagram.
(a.) A – Radial, B – Bilateral
(b.) A – Bilateral, B – Pentamerous
(c.) A – Radial, B – Pentamerous
(d.) A – Bilateral, B – Radial
ANSWER (a.) A – Radial, B – Bilateral
The diagram below shows the diploblastic and triploblastic germ layers in the animals. Identify the correct option in which they are found.
(a.) A – Radial, B – Bilateral
(b.) A – Bilateral, B – Pentamerous
(c.) A – Radial, B – Pentamerous
(d.) A – Bilateral, B – Radial
ANSWER (c.) A – Radial, B – Pentamerous
CHAPTER 4 ANIMAL KINGDOM QUESTIONS PRACTICE
Choose the true statement:
(a.) Animals like annelids, arthropods, Aschelminthes, molluscs, hemichordates and chordates possess bilateral symmetry.
(b.) Most of the animals possess bilateral symmetry.
(c.) Platyhelminthes was the first phylum during evolution to exhibit bilateral symmetry.
(d.) All of these
ANSWER (d.) All of these
Study the types of animals with respect to the presence or absence of body cavities:
(a.) A – Molluscs, B – Chordates
(b.) A – Annelida, B – Porifera
(c.) A – Coelenterates, B – Platyhelminthes
(d.) A – Molluscs, B – Porifera
ANSWER (a.) A – Molluscs, B – Chordates
Which of the following option is wrong
(a.) Coelenterates and ctenophores are diploblastic.
(b.) Animals from Platyhelminthes to chordates are triploblastic.
(c.) Radially symmetric animals remain attached to a surface by their aboral surface.
(d.) Mesoglea is an undifferentiated layer which do not form any tissue or organ.
ANSWER (c.) Radially symmetric animals remain attached to a surface by their aboral surface.
Choose the incorrect matcH
(a.) Tube-within-tube body plan: Nemathelminthes, Annelida, Arthropoda, Mollusca, Echinodermata, Chordata
(b.) Cell-aggregate type body plan: Coelenterates
(c.) Blind-sac type body plan: Platyhelminthes and coelenterates
(d.) None of these
ANSWER (b.) Cell-aggregate type body plan: Coelenterates
Which of the following is/are the function of coelomn
(a.) Absorb shock or provide hydrostatic skeleton
(b.) Support shock or provide hydrostatic skeleton
(c.) Allow muscles to grow independently of the body wall
(d.) All of these
ANSWER (d.) All of these
The diagram below shows the diploblastic and triploblastic germ layers in the animals. Identify the correct option in which they are found.
(a.) A – Molluscs, B – Chordates
(b.) A – Annelida, B – Porifera
(c.) A – Coelenterates, B – Platyhelminthes
(d.) Molluscs, B – Porifera
ANSWER (a.) A – Molluscs, B – Chordates
Choose the incorrect option
(a.) True coelom is a body cavity which arises as a cavity in the embryonic mesoderm.
(b.) Digestive cavity is found in acoelomates, pseudocoelomates as well as coelomates.
(c.) The body cavity of arthropods and non- cephalopod molluscs is called hoemocoel.
(d.) There is no cavity between the body wall and gut wall in echinoderms.
ANSWER (d.) There is no cavity between the body wall and gut wall in echinoderms.
Metamerism is present in
(a.) annelids
(b.) arthropods
(c.) chordates
(d.) all of these
ANSWER (a.) annelids
Choose the incorrect match:
(a.) Coelenterates – Radial symmetry
(b.) Molluscs – Radial symmetry in adults
(c.) Platyhelminthes – Triploblastic
(d.) Ctenophores – Triploblastic
ANSWER (d.) Ctenophores – Triploblastic
Choose the correct label for A, B, C and D in the broad Classification of Kingdom Animalia based on common fundamental features as given below.
| A | B | C | D | |
| A) | Bilateral | Porifera | Ctenophora | Coelomat e |
| B) | Radial | Porifera | Ctenophora | Acoeloma te |
| C) | Bilateral | Porifera | Ctenophora | Coelomat e |
| D) | Radial | Ctenophora | Porifera | Acoeloma te |
ANSWER B)RadialPoriferaCtenophora Acoeloma te
Choose the incorrect statement.
(I) Notochord is ectodermally derived rod-like structure.
(II) Notochord is formed on the dorsal side during embryonic development.
(III) The animals from porifera to Echinoderms are without notochord.
(IV) In some chordates, notochord is replaced by the vertebral column and these chordates are called vertebrates.
(a.) I and II (b.) I, II, and III
(c.) II, III and IV (d.) I only
ANSWER (d.) I only
Identify the correct labels A and B.
| Notochord | Nerve Cord |
| A | Part of nervous system |
| Found in chordates only | Found in chordates as well as non- chordates |
| Dorsal side in chordates | B |
A) A= Exoskeleton, B= Dorsal in chordates as well as in non-chordates
B) A= Endoskeleton; B= Ventral in chordates as well as in non-chordates
C) A= Exoskeleton; B= Ventral in chordates and dorsal in nonchordates
D) A= Endoskeleton; B= Dorsal in chordates and ventral in nonchordates
ANSWER D) A= Endoskeleton; B= Dorsal in chordates and ventral in nonchordates
True coelom appear in which of the following during evolution?
(a.) Echinodermata (b.) Annelida
(c.) Platyhelminthes (d.) Aschelminthes
ANSWER (b.) Annelida
The layer absent in the embryos of diploblastic animals is
(a.) ectoderm (b.) endoderm (c.) mesoderm (d.) mesoglea
ANSWER (c.) mesoderm
Nerve cells and tissue level of organization first appeared in
(a.) coelenterates (b.) ctenophora (c.) chordate (d.) porifera
ANSWER (a.) coelenterates
In some animal groups, the body is found divided into compartments with at least some organs. This characteristic feature is called
(a.) segmentation (b.) metamerism (c.) metagenesis (d.) metamorphosis
ANSWER (b.) metamerism
Body cavity is the cavity present between body wall and gut wall. In some animals the body cavity is not lined by mesoderm. Such animals are called
(a.) acoelomate (b.) pseudocoelomate
(c.) coelomate (d.) haemocoelomate
ANSWER (b.) pseudocoelomate
Match the following Columns
| Column-I (Phylum) | Column-II (Characteristic Features) | |
| (A) | Porifera | (1) Canal system |
| (B) | Aschelminthes | (2) Water vascular system |
| (C) | Annelida | (3) Muscular pharynx |
| (D) | Arthropoda | (4) Joined appendages |
| (E) | Echinodermata | (5) Metameres |
Select the correct option
(A) (B) (C) (D) (E)
A) 1 3 5 4 2
B) 1 2 3 4 5
C) 5 4 3 2 1
D) 4 3 1 2 5
ANSWER A) 1 3 5 4 2
Which of the following animals are true coelomates with bilateral symmetry?
(a.) Adult echinoderms (b.) Aschelminthes
(c.) Platyhelminthes (d.) Annelids
ANSWER (d.) Annelids
Assertion: The primary character of chordates is the presence of dorsal hollow nerve cord.
Reason: Vertebral column is derived from the notochord.
(a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
(b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c.) Assertion is true, but Reason is false.
(d.) Assertion is false, but Reason is true.
ANSWER (b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
Assertion: Animals with radial symmetry has more advantage in detecting food and danger. Reason: It allows animal to be able to respond to stimulus from any direction.
(a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
(b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c.) Assertion is true, but Reason is false.
(d.) Assertion is false, but Reason is true.
ANSWER (a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
Assertion: Aschelminthes represent pseudocoelomates.
Reason: In aschelminthes, mesoderm is present as scattered pouches in between ectoderm and endoderm.
(a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
(b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c.) Assertion is true, but Reason is false.
(d.) Assertion is false, but Reason is true.
ANSWER (a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
Sponges are
(a.) with water canal system (b.) sexually reproducing by formation of gametes
(c.) both (a) and (b) (d.) sessile or free-swimming
ANSWER (c.) both (a) and (b)
In case of poriferans, the spongocoel is lined with flagellated cells called
(a.) ostia (b.) oscula (c.) choanocytes (d.) mesenchymal cells
ANSWER (c.) choanocytes
Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum
(a.) coelenterate (b.) porifera (c.) Mollusca (d.) protozoa
ANSWER (b.) porifera
In most simple type of canal system of porifera, water flows through which one of the following ways?
(a.) Ostia → Spongocoel → Osculum → Exterior
(b.) Spongocoel → Ostia → Osculum → Exterior
(c.) Osculum → Spongocoel → Ostia → Exterior
(d.) Osculum → Ostia → Spongocoel → Exterior
ANSWER (a.) Ostia → Spongocoel → Osculum → Exterior
Examine the figures A, B, and C. In which one of the four options all the animals (Poriferans) are correct?
(a.) A – Sycon, B – Euspongia, C – Spongilla
(b.) A – Euspongia, B – Spongilla, C – Sycon
(c.) A – Spongilla, B – Sycon, C – Euspongia
(d.) A – Euspongia, B – Sycon, C – Spongilla
ANSWER (a.) A – Sycon, B – Euspongia, C – Spongilla
Which of the following is a freshwater sponge?
(a.) Euspongia (b.) Euplectella (c.) Spongilla (d.) Sycon
ANSWER (c.) Spongilla
In poriferans, the rudimentary division of labour is found between the
(a.) tissue (b.) cells (c.) organs (d.) organ-system
ANSWER (b.) cells
Which of the following is not a characteristic of class Porifera?
(I) Development is indirect (larval stage is present).
(II) Mostly asymmetrical and usually marine
(III) Primitive multicellular animals with cellular level of organization.
(IV) Choanocytes line the spongocoel and the canals. (V) Sexes are separate
(a.) I and IV (b.) II only (c.) V only (d.) III and IV
ANSWER (c.) V only
Choose the correct characteristic for sponges.
(a.) They are highly regenerative
(b.) They are universally radially symmetrical
(c.) The contain clarions spicules but lack the siliceous one
(d.) They are found only in fresh water
ANSWER (a.) They are highly regenerative
Cnidocytes are
(a.) also called cnidoblast or nematocyte
(b.) explosive cells each of which contain giant secretory organelle called nematocyst
(c.) stinging cells
(d.) with all the above features
ANSWER (d.) with all the above features
Consider the following statements about cnidarians:
(I) They have tissue level of organization and triploblastic.
(II) Digestion is extracellular and intracellular.
(III) Corals secrete calcium bicarbonate form a skeleton.
(IV) Corals may harbour some photosynthetic dinoflagellates for taking nutrition.
(V) They possess a central gastrovascular cavity with a single opening mouth in hypostome.
(a.) Statements I and III are correct
(b.) Statements II, IV and V are correct
(c.) Statements I, II and III are correct
(d.) Statements III and IV are incorrect
ANSWER (b.) Statements II, IV and V are correct
Here two basic body forms of cnidarians are given.
(a.) A and B are false swimming forms
(b.) A and B are sessile form
(c.) A produce B asexually and B form the ‘A’ sexually
(d.) B produce A sexually and A form the ‘B’ sexually
ANSWER (c.) A produce B asexually and B form the ‘A’ sexually
Match the columns.
| Column-I | Column-II | ||
| (A) | Gorgonia | (1) | Sea fan |
| (B) | Adamsia | (2) | Sea pen |
| (C) | Physalia | (3) | Portuguese man of war |
| (D) | Pennatula | (4) | Sea anemone |
Select the correct option
(A) (B) (C) (D)
A) 1 3 4 2
B) 1 2 3 4
C) 4 3 2 1
D) 3 4 1 2
ANSWER A) 1 3 4 2
‘Stinging capsules’ or nematocytes are found in
(a.) sea anemone (b.) sea pen (c.) sea fan (d.) all of these
ANSWER (d.) all of these
Assertion: Choanocytes or collar cells line the spongocoel and the canals in poriferans.
Reason: Poriferans possess spicules or spongin fibers.
(a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
(b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c.) Assertion is true, but Reason is false.
(d.) Assertion is false, but Reason is true.
ANSWER (b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
Ctenophores
(a.) perform external fertilization
(b.) have indirect development
(c.) both (a) and (b)
(d.) have separate sexes
ANSWER (c.) both (a) and (b)
Identify the correct option specifying the names of the animals A, B, C and D.
| (A) | (B) | (C) | (D) | |
| A) | Pleurobranchia | Tapeworm | Taenia | Aurelia |
| B) | Fasciola | Tapeworm | Liver fluke | Aurelia |
| C) | Pleurobranchia | Roundworm | Taenia | Adamsia |
| D) | Fasciola | Roundworm | Liver fluke | Adamsia |
ANSWER C) Pleurobranchia RoundwormTaeniaAdamsia
In tapeworms
(a.) flame cells are absent
(b.) both exoskeleton and endoskeleton present
(c.) hooks and suckers present
(d.) body is radially symmetrical
ANSWER (c.) hooks and suckers present
Which of the following is not a Platyhelminthes
(a.) Wuchereria (b.) Taenia (c.) Faxiola (d.) Planaria
ANSWER (a.) Wuchereria
Ascaris is characterized by
(a.) the absence of true coelom but presence of metamerism
(b.) the presence of neither true coelom nor metamerism
(c.) the presence of true coelom but the absence of metamerism
(d.) the presence of true coelom and metamerism
ANSWER (b.) the presence of neither true coelom nor metamerism
Which of the option is correct for the statements given below.
(I) Commonly called sea walnuts or comb jellies.
(II) Bioluminescence is well marked.
(III) Body bear eight external rows of ciliated comb plates. (IV) They have flame cells for osmoregulation and excretion.
(V) Alimentary canal is complete with a well-developed muscular pharynx.
| Ctenophores | Platyhelminthes | Aschelminthes | |
| A) | I, II, III | IV | V |
| B) | IV | I, II | III, V |
| C) | I, II | III, IV | V |
| D) | IV, V | II, III | I |
ANSWER A)I, II, IIIIVV
Phylum Platyhelminthes members are
(a.) dorsoventrally flattened, thus called flatworms
(b.) bilaterally symmetrical, triploblastic and acoelomates
(c.) with organ system level of organization
(d.) with all the above features
ANSWER (a.) dorsoventrally flattened, thus called flatworms
Assertion: Taenia Solium and Dugesia belong to Platyhelminthes.
Reason: Platyhelminthes are coelomates.
(a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
(b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c.) Assertion is true, but Reason is false.
(d.) Assertion is false, but Reason is true.
ANSWER (c.) Assertion is true, but Reason is false.
Assertion: The organisms of Platyhelminthes are usually hermaphrodite.
Reason: These organisms possess internal as well as external fertilization.
(a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
(b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c.) Assertion is true, but Reason is false.
(d.) Assertion is false, but Reason is true.
ANSWER (c.) Assertion is true, but Reason is false.
Consider the following statements about aschelminthes:
(I) Their body is circular in crosssection, so are called round worms.
(II) Alimentary canal is incomplete
(III) Muscular pharynx is present
(IV) They are hermaphrodites Which of the following is correct?
(a.) I and III (b.) II and IV
(c.) I, II and IV (d.) IV only
ANSWER (a.) I and III
Choose the incorrect option.
(a.) Mesoglea is present in between ectoderm and endoderm in Obelia.
(b.) Asterias exhibits radial symmetry.
(c.) Fasciola is pseudocoelomate animal.
(d.) Taenia is a triploblastic animal
ANSWER (c.) Fasciola is pseudocoelomate animal.
Out of the given cells, which of them can differentiate and perform different functions?
(a.) Choanocytes (b.) Interstitial cells
(c.) Gastrodermal cells (d.) Nematocysts
ANSWER (a.) Choanocytes
Blood sucking leech is
(a.) Nereis (b.) Hirudinaria (c.) Pheretima (d.) All of these
ANSWER (b.) Hirudinaria
Which one of the following endoparasites of humans does show viviparity?
(a.) Ancylostoma duodenale (b.) Enterobius spiralis
(c.) Trichinella spiralis (d.) Ascaris lumbricoides
ANSWER (d.) Ascaris lumbricoides
Assertion: Aschelminthes and Annelids possess bilateral symmetry.
Reason: Both Aschelminthes and Annelids are coelomates.
(a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
(b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c.) Assertion is true, but Reason is false.
(d.) Assertion is false, but Reason is true.
ANSWER (c.) Assertion is true, but Reason is false.
Which of the following animals are true coelomates with bilateral symmetry?
(a.) Adult echinoderms (b.) Aschelminthes(c.) Platyhelminthes (d.) Annelids
ANSWER (a.) Adult echinoderms
The name ‘Annelida’ is given to animal phylum having
(a.) parapodia (b.) metameric segments
(c.) nephridia (d.) all of these
ANSWER (d.) all of these
In Annelids
(a.) neural system consists of paired ganglia connected by lateral nerves to a double ventral nerve cord
(b.) reproduction occur both asexually and sexually
(c.) like Nereis, Pheretima and Hirudinaria have monoecious condition
(d.) Aquatic forms are completely absent.
ANSWER (a.) neural system consists of paired ganglia connected by lateral nerves to a double ventral nerve cord
Match the columns
| Column-I | Column-II | ||
| (A) | Gills | (1) | King crab |
| (B) | Tracheal system | (2) | Crab, prawn |
| (C) | Book gills | (3) | Butterfly, cockroach |
| (D) | Book lungs | (4) | Scorpion, spider |
(A) (B) (C) (D)
A) 1 2 3 4
B) 2 3 1 4
C) 4 3 2 1
D) 3 1 4 2
ANSWER B) 2 3 1 4
Choose the incorrect statement.
(a.) In cockroaches and prawns, excretion of waste material occurs through malphigian tubules.
(b.) In ctenophores, locomotion is mediated by comb plates.
(c.) In fasciola, flame cells take part in excretion.
(d.) Earthworms are hermaphrodites and yet cross fertilization takes place among them.
ANSWER (d.) Earthworms are hermaphrodites and yet cross fertilization takes place among them.
Consider the following statements:
(I) Triploblastic, bilateral symmetry
(II) Metamerically segmental and coelomate animals
(III) Dioecious
(IV) Closed circulatory system
(V) Lateral appendages
(VI) Annelida Which of the following information’s belongs to the given animal.
(a.) I, II, IV, VI (b.) I, III, IV, V (c.) II, III, IV, V (d.) III, IV, V, VI
ANSWER (a.) I, II, IV, VI
Choose the incorrect set with respect to arthropods.
(a.) Limulus, locusta, culex (b.) Bombyx, Apis, lacifer
(c.) Pinctada, Aplysia, Dentalium (d.) Aedes, Anopheles, Apis
ANSWER (a.) Limulus, locusta, culex
Balancing organ of aquatic arthropods is
(a.) Cnidoblasts (b.) choanocytes
(c.) scleroblasts (d.) statocysts
ANSWER (d.) statocysts
Which one of the following features is not present in the phylum-Arthropod
(a.) Metameric segmentation (b.) Parapodia
(c.) Jointed appendages (d.) Chitinous exoskeleton
ANSWER (b.) Parapodia
Which one of the following characteristics is mainly responsible for diversification of insects on land?
(a.) Segmentation (b.) Bilateral symmetry
(c.) Exoskeleton (d.) Eyes
ANSWER (c.) Exoskeleton
Which of the following statement is correct?
(a.) Insect hemolymph has no role in oxygen transport in most cases.
(b.) Insects hemolymph is mostly colourless.
(c.) Both (a.) and (b.)
(d.) None of these
ANSWER (b.) Insects hemolymph is mostly colourless.
Consider the following statements about
(I) Open circulatory system is found in most arthropods.
(II) Arthropods contain Haemolymph which directly bathes in internal tissues and organs.
(a.) I is true but II is false (b.) I is false but II is true
(c.) Both I and II are true (d.) Both I and II are false
ANSWER (c.) Both I and II are true
Moulting
(a.) is also called ecdysis
(b.) occurs to shed chitin at regular intervals by many arthropods
(c.) is the shedding of cuticle in many invertebrates
(d.) all of these
ANSWER (d.) all of these
Maggot is the larva of
(a.) housefly (b.) crab (c.) moth (d.) butterfly
ANSWER (a.) housefly
Choose the incorrect statement for phylum Mollusca.
(a.) Body is covered by a calcareous shell and unsegmented.
(b.) Feather like gills present for excretion and respiration.
(c.) The anterior head region has sensory tentacles.
(d.) Mostly terrestrial, triploblastic and acoelomates.
ANSWER (a.) Body is covered by a calcareous shell and unsegmented.
Choose the correct names for the following.
| A | B | C | D | |
| (a) | Scorpion | Prawn | Loligo | Asterias |
| (b) | Scorpion | Prawn | Octopus | Ophiura |
| (c) | Locust | Butterfly | Loligo | Asterias |
| (d) | Locust | Prawn | Squid | Ophiura |
ANSWER (b)ScorpionPrawnOctopusOphiura
Assertion: In many gastropods, the arms and the mental cavity are placed anteriorly above the head.
Reason: During embryonic development in many gastropods, one side of the visceral mass grows faster than the other side. This uneven growth rotates the visceral organs up to 180° in many gastropods.
(a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
(b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c.) Assertion is true, but Reason is false.
(d.) Assertion is false, but Reason is true.
ANSWER (a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
Assertion: In molluscs, feathers like gills are present in the mantle cavity.
Reason: These gills have respiration and excretory function.
(a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
(b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c.) Assertion is true, but Reason is false.
(d.) Assertion is false, but Reason is true.
ANSWER (b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
Which of the following statements represents the incorrect feature of Echinodermata?
(a.) They are triploblastic and coelomate animals.
(b.) All are marine with cellular level of organization.
(c.) Endoskeleton of calcareous ossicle.
(d.) None of these
ANSWER (a.) They are triploblastic and coelomate animals.
Which of the following is the feature of water vascular system in Echinoderms?
(a.) Locomotion (b.) Respiration
(c.) Capture and transport of food (d.) All of these
ANSWER (d.) All of these
Choose the correct statement for star fish.
(I) Sexes are separate and reproduction is sexual (II) Development is indirect with freeswimming larva (III) Mouth is present on the upper (dorsal) side and anus on the lower (ventral) side. (IV) Their body bear jaw-like structure which is called oral arms.
(a.) I and III (b.) I, II and IV
(c.) I, II and III (d.) III and IV
ANSWER (b.) I, II and IV
Which one for the following animals does not undergo metamorphosis?
(a.) Moth (b.) Tunicate
(c.) Earthworm (d.) Starfish
ANSWER (a.) Moth
Choose the correct statement for the following animals.
(a.) All the animals are aquatic, free living
(b.) All are true coelomates
(c.) ‘A’ has radial symmetry but remaining have bilateral symmetry
(d.) ‘A’ is monoecious but remaining are dioecious
ANSWER (a.) All the animals are aquatic, free living
Which of the following is incorrect statement for Hemichordata?
(a.) They are bilaterally symmetrical, triploblastic and coelomate.
(b.) Circulation is of open type.
(c.) Sexes are separate, fertilization is external and development is indirect.
(d.) None of these
ANSWER (d.) None of these
Select the feature which is/are not present in Hemichordates.
(a.) Stomochord
(b.) Worm-like body
(c.) Gills
(d.) All of these
ANSWER (a.) Stomochord
The correct classification of given animal is
(a.) Chordata – Vertebrata – Craniata
(b.) Chordata – Craniata
(c.) Chordata – Acraniata
(d.) Non- chordata – Hemichordata
ANSWER (d.) Non- chordata – Hemichordata
The body of Balanoglossus is divisible into
(a.) proboscis, tunic and trunk
(b.) collar, trunk and tunic
(c.) proboscis, collar and trunk
(d.) proboscis, stomochord and trunk
ANSWER (c.) proboscis, collar and trunk
An important characteristics that hemichordates share with chordates iS
(a.) absence of notochord
(b.) ventral tubular nerve cord
(c.) pharynx with gill slits
(d.) pharynx without gill slits
ANSWER (c.) pharynx with gill slits
Which of the following is not found in the phylum chordate
(a.) A dorsal hollow nerve chord
(b.) Lateral paired gill slits during development
(c.) A notochord at some stage of development
(d.) An external skeleton
ANSWER (d.) An external skeleton
Animals belonging to phylum-chordata are fundamentally characterized by the presence of structure noted as A, B, C and D. Identify A, B, C and D.
(a.) A – Notochord, B – Nerve cord, C – Gill slits, D – post anal part
(b.) A – Nerve cord, B – Notochord, C – Gill slits, D – Post anal part
(c.) A – Nerve cord, B – Notochord, C – Post anal part, D – Gill Slits
(d.) A – nerve cord, B – Gill slits, C – Notochord, D – post anal part
ANSWER (d.) A – nerve cord, B – Gill slits, C – Notochord, D – post anal part
Choose the incorrect vertebrate character.
(a.) Ventral muscular heart
(b.) Kidneys for excretion and osmoregulation
(c.) Paired appendages which may be fins or limbs
(d.) None of these
ANSWER(d.) None of these
The following flow chart for division of sub phylum vertebrata fill in the parts A, B, C and D and choose the correct option.
| A | B | C | |
| A) | Ostracodermi | Pisces | Tetrapoda |
| B) | Cyclostomata | Pisces | Tetrapoda |
| C) | Ostracodermi | Cyclostomata | Pisces |
| D) | Pisces | Tetrapoda | Cyclostomata |
ANSWER D)PiscesTetrapodaCyclostomata
Select the correct difference between the notochord in the following:
| Urochordata | Cephalochordata | |
| A) | Present only in larval tail | Extend from head to tail throughout life |
| B) | present only in adult | Present only in larval tail |
| C) | Persistent throughout their life | Present only in adult |
| D) | Extend from head to tail throughout life | Present only in larval tail |
ANSWER A) Present only in larval tail Extend from head to tail throughout life
Consider the following statements.
(I) Lancelets are jawless, primitive fishlike vertebrates.
(II) In lancelets notochord, tubular nerve cord and pharyngeal gills slits are present throughout their life.
(a.) I is true, but II is false
(b.) I is false, but II is true
(c.) Both I and II are true
(d.) Both I and II are false
ANSWER (b.) I is false, but II is true
Which of the following represents the correct combination without any exception?
| Characteristic | Class | |
| A) | Mammary gland; hair on body; pinnae; two pairs of limbs | Mammalia |
| B) | Mouth ventral; gills without operculum skin with placoid
scales; persistent notochord |
Chondrichthyes |
| C) | Sucking and circular mouth, jaws absent integument
without scales; paired appendages |
Cyclostomata |
| D) | Body covered with feathers; skin moist and glandular; lungs with
air sacs forelimbs from wings |
Aves |
ANSWER C)
Sucking and circular mouth, jaws absent integument
without scales; paired appendages
Cyclosto
Among the following edible fishes, which one is a marine fish having rich source of omega-3 fatty acids?
(a.) Mystus (b.) Mangur (c.) Mrigala (d.) Mackerel
ANSWER (d.) Mackerel
Which one is not cartilaginous fish?
(a.) Carcharoden (great white shark), Trygon (sting ray)
(b.) Exocoetus (flying fish), catla (katla), clarias (Mangur)
(c.) Scolidon (dog fish)
(d.) Pristis (saw fish)
ANSWER (b.) Exocoetus (flying fish), catla (katla), clarias (Mangur)
Following are few examples of bony fishes. Choose the odd one out as marine bony fish.
(a.) Flying fish (b.) Hippocampus (sea horse)
(c.) Both (a) and (b) (d.) Labeo (rohu), catla, clarias
ANSWER (c.) Both (a) and (b)
Which of the following is not a characteristic of class chondrichthyes?
(a.) Gill slits are separated and without operculum.
(b.) Predaceons with powerful jaws.
(c.) Notochord is persistent throughout life.
(d.) Airbladder present.
ANSWER (d.) Airbladder present.
Which of the following characteristic features always holds true for the corresponding group of animals?
(a.) Viviparous Mammalia
(b.) Possess a mouth with an upper and a lower jaw Chordata
(c.) Three-chambered heart with one incompletely divided ventricle Reptilia
(d.) Cartilaginous endoskeleton Chondrichthyes
ANSWER (d.) Cartilaginous endoskeleton Chondrichthyes
Bony fishes are
(a.) having external fertilization (b.) mostly oviparous
(c.) with direct development (d.) all of these
ANSWER (b.) mostly oviparous
Bony fishes stay at any particular depth in water without spending energy due to
(a.) Operculum (b.) Neuromuscles (c.) Pneumatic bones (d.) Swim bladder
ANSWER (a.) Operculum
Choose the incorrect statement?
(a.) Both cartilaginous and bony fishes are dioecious
(b.) Cartilaginous fishes show sexual dimorphism
(c.) Male cartilaginous fish have claspers
(d.) Female cartilaginous fish have claspers
ANSWER (d.) Female cartilaginous fish have claspers
Choose the correct option for the given figures.
(a.) Animal A is salamandra and B is chameleon.
(b.) Both A and B belongs to class Reptilia.
(c.) Fertilization is external in both.
(d.) Animal A has 2-chambered heart and B has 3-chambered heart.
ANSWER (a.) Animal A is salamandra and B is chameleon.
Choose the incorrect option for the following animal.
(a.) Cloaca present
(b.) Dioecious, external fertilization, oviparous, indirect development
(c.) Body divisible into head and trunk
(d.) Eyes are without eyelids.
ANSWER (b.) Dioecious, external fertilization, oviparous, indirect development
Which one of these animals is not a homeotherm?
(a.) Camelus (b.) Chelone (c.) Macropus (d.) Psittacula
ANSWER (c.) Macropus
Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system.
(a.) Aves (b.) Reptilia (c.) Amphibia (d.) Osteichthyes
ANSWER (a.) Aves
Which among these is the correct combination of aquatic mammals?
(a.) Seals, dolphin, sharks (b.) Dolphins, seals, trygon
(c.) Whales, dolphins, seals (d.) Trygon, whales, seals
ANSWER (c.) Whales, dolphins, seals
Which one of the following characteristic is not shared by birds and mammals?
(a.) Breathing using lungs (b.) Viviparity
(c.) Warm-blooded nature (d.) Ossified endoskeleton
ANSWER (a.) Breathing using lungs
Which of the following animals is not viviparous?
(a.) Flying fox (bat) (b.) Elephant
(c.) Platypus (d.) Whale
ANSWER (c.) Platypus
Choose the correct option having animals with four chambered heart?
(a.) Amphibian, reptiles, birds (b.) Crocodiles, birds, mammals
(c.) Lizards, crocodiles, turtles (d.) Lizards, mammals, birds
ANSWER (b.) Crocodiles, birds, mammals
The animal pair with non-glandular skin are
(a.) snake and frog (b.) crocodile and tiger
(c.) frog and pigeon (d.) chameleon and turtle
ANSWER (d.) chameleon and turtle
Which of the following characteristic is shared by both birds and mammals?
(a.) Pigmented skin (b.) Pneumatic bones
(c.) Viviparity (d.) Warm-blooded body
ANSWER (d.) Warm-blooded body
Which of the following sets of animals belongs to a single Taxonomic group?
(a.) Man, monkey, chimpanzee
(b.) Cuttlefish, jellyfish, silver fish, dog fish, starfish
(c.) Bat, pigeon, butterfly
(d.) Silkworm, tapeworm, earthworm
ANSWER (a.) Man, monkey, chimpanzee
Match the following columns.
| Column-I | Column-II | ||
| (A) | Cyclostomes | (1) | Hemichordata |
| (B) | Aves | (2) | Urochoradata |
| (C) | Tunicates | (3) | Agnatha |
| (D) | Balanoglossus | (4) | Pisces |
| (E) | Osteichthyes | (5) | Tetrapod |
Codes
A B C D E
A)1 2 3 4 5
B) 2 3 4 1 5
C) 3 5 2 1 4
D) 3 1 5 2 4
ANSWER C) 3 5 2 1 4
Which of the following is incorrect for Petromyzon?
(a.) Cranium and vertebral column are cartilaginous
(b.) They are freshwater organisms but migrate for spawning to sea water
(c.) After spawning within few days, they die
(d.) Their larvae, after metamorphosis, return to ocean
ANSWER (b.) They are freshwater organisms but migrate for spawning to sea water
Match the name of the animal in Column I with one characteristic in Column II and the phylum/class in column III to which it belongs.
| Column-I | Column-II | Column-III | |
| (a) | Petromyzon | Ectoparasite | Cyclostomata |
| (b) | Ichthyophis | Terrestrial | Reptilia |
| (c) | Limulus | Body covered by chitinous exoskeleton | Pisces |
| (d) | Adamsia | Radially symmetrical | Porifera |
ANSWER (a)PetromyzonEctoparasiteCyclostomata
Choose the incorrect subphylum of PhylumChordata
(a.) Hemichordata (b.) Vertebrata (c.) Cephalochordata (d.) Urochordata
ANSWER (a.) Hemichordata
Protochordates
(a.) include Urochordata and cephalochordate (b.) are exclusively marine
(c.) have notochord throughout life (d.) All of these
ANSWER (c.) have notochord throughout life
Choose the incorrect option for chordates.
(a.) Paired pharyngeal gill slits (b.) Coelomate diploblastic
(c.) Post anal tail (d.) Closed circulatory system
ANSWER (b.) Coelomate diploblastic
Choose the correct option for the animals shown below.
(a.) The organism belongs to cephalochordate and genus Ascidia.
(b.) Circulatory system is open type.
(c.) Development is always direct.
(d.) Fresh water dwelling.
ANSWER (a.) The organism belongs to cephalochordate and genus Ascidia.
The skin of amphibians
(a.) can be smooth or rough (b.) are usually with Scales
(c.) possess eutaneous glands (d.) both (a) and (b)
ANSWER (a.) can be smooth or rough
In amphibians
(a.) mole copulatory organs are absent (b.) metamorphosis is usually absent
(c.) tadpole stage is universally present (d.) cranial nerves are absent
ANSWER (a.) mole copulatory organs are absent
Read the following statements.
(I) Retention of larval trait is called neoteny.
(II) The largest amphibian is Cryptobrances.
(III) Seymousia is a connecting link between amphibian and reptiles.
(IV) Larva of Ambystoma is called axolotl.
(V) Axolotls are amphibians formed without undergoing metamorphosis. Choose the correct statement
(a.) I and IV (b.) II and III (c.) I, II and III (d.) I, II, III and IV
ANSWER (d.) I, II, III and IV
Match the columns.
| Column-I | Column-II | ||
| (A) | Chameleon | (1) | Tortoise |
| (B) | Testudo | (2) | Tree lizard |
| (C) | Calotes | (3) | Garden lizard |
| (D) | Chelone | (4) | Turtle |
A B C D
A) 1 2 3 4
B) 4 3 2 1
C) 2 1 3 4
D) 3 1 4 2
ANSWER C) 2 1 3 4
Choose the incorrect statement for class Reptilia.
(a.) Sexes are separate.
(b.) Kidneys are metanephric.
(c.) Limbs are always present and are two pairs.
(d.) Possess creeping or crawling mode of locomotion.
ANSWER (b.) Kidneys are metanephric.
Birds
(a.) are poikilotherms (b.) have respiration performed only by the air sacs
(c.) are bipeds (d.) endoskeleton is ossified partially
ANSWER (d.) endoskeleton is ossified partially
Find the incorrect match
(a.) Crow – Corvus (b.) Pigeon – Columba
(c.) Parrot – Psittacula (d.) Penguin – Pavo
ANSWER (d.) Penguin – Pavo
Which of the following is incorrect?
(a.) Aves possess poor olfactory system.
(b.) Aves are partially homeotherms.
(c.) Aves bones are hollow with air cavities.
(d.) Aves have sexes separate, fertilization is internal, oviparous with direct development.
ANSWER (b.) Aves are partially homeotherms.
Syrinx present in birds
(a.) helps in producing sound
(b.) lie near the junction of trachea and bronchi
(c.) both (a.) and (b.)
(d.) helps in excretion of urea
ANSWER (a.) helps in producing sound
The most unique mammalia character is
(a.) the presence of two pairs of limbs
(b.) reproducing young ones
(c.) the presence of mammary glands
(d.) the presence of skin
ANSWER (c.) the presence of mammary glands
The skin of the mammals is unique in possessing
(a.) glands (b.) epidermal layer
(c.) hair (d.) both (a.) and (c.)
ANSWER (d.) both (a.) and (c.)
Heart is always four chambered in
(a.) mammals (b.) aves
(c.) reptiles (d.) both (a) and (b)
ANSWER (d.) both (a) and (b)
Choose the correct statements from the following:
(a.) Mammals, birds, reptiles and amphibians possess 12 pairs of cranial nerves.
(b.) In aquatic mammalian males, testes lie outside the body cavity in scrotal sacs
(c.) The neck of mammals generally possess 5 cervical vertebrae
(d.) Archeopteryx is a fossil animal.
ANSWER (c.) The neck of mammals generally possess 5 cervical vertebrae
Choose the odd one out.
(a.) Prototheria – Ornithorlynchus (b.) Marsupilia – Macropus
(c.) Metatheria – Maceaea (d.) Eutheria – Homo
ANSWER (a.) Prototheria – Ornithorlynchus
Choose the correct option for A, B, C and D.
| Prototherians | Metatherians | Eutherians |
| A | Viviparous | Viviparous |
| Nipples absent on mammary glands | B | Nipples present |
| C | Vagina and uterus present | Vagina and uterus present |
| Ear is devoid of pinna | Pinna is present | D |
| Scrotum absent | Scrotum present | Scrotum present |
A) A = Oviparous
B = Nipples present
C = Vagina and uterus absent
D = Pinna is absent in aquatic forms
B) A = Oviparous
B = Nipples present
C = Vagina and uterus absent
D =Pinna is universally forms
C) A = Viviparous
B = Nipples present
C = Vagina and uterus absent
D = Pinna is absent in aquatic forms
D) A = Oviparous
B = Nipples absent
C = Vagina and uterus absent
D = Pinna is present only in aquatic forms.
ANSWER
D) A = Oviparous
B = Nipples absent
C = Vagina and uterus absent
D = Pinna is present only in aquatic forms.
Tetrapods
(a.) lack paired appendages and pentadactyl limbs
(b.) universally possess gills
(c.) possess sense organ functional in air
(d.) dwell only in terrestrial zones
ANSWER (d.) dwell only in terrestrial zones
Identify A, B, C and D in the table given below.
Amphibians |
Reptiles |
Birds |
Mammals |
| Scales usually absent | A | Present on hind limbs | Absent |
| Cloaca present | Cloaca present | Cloaca absent | B |
| Erythrocytes oval, biconvex and
nucleated |
RBC oval, biconvex
and nucleate d |
Erythrocytes oval, biconvex x and nucleated | RBC circular
biconcave and non-nucleated |
| Three chambered
heart |
Three chambered heart | C | Four chambered
heart with left systemic arch |
| External ear absent | External ear may be present | D | External ear with pinna present |
(a.) A = Scales absent B = Cloaca mainly present C = Four chambered heart with left systemic arch D = External ear absent
(b.) A = Scales present B = Cloaca mainly absent C = Three chambered heart D = External ear absent
(c.) A = Scales absent B = Cloaca mainly present C = Three chambered heart with right systemic arch D = External ear present
(d.) A = Scales present B = Cloaca mainly absent C = Four chambered heart with right systemic arch D = External ear present
ANSWER (d.) A = Scales present B = Cloaca mainly absent C = Four chambered heart with right systemic arch D = External ear present
Assertion: All vertebrates are chordates.
Reason: Vertebrates possess notochord during embryonic period.
(a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
(b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c.) Assertion is true, but Reason is false.
(d.) Assertion is false, but Reason is true.
ANSWER (d.) Assertion is false, but Reason is true.
Assertion: All metatherians are placental mammals.
Reason: All placental mammals have menstrual cycle.
(a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
(b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c.) Assertion is true, but Reason is false.
(d.) Assertion is false, but Reason is true.
ANSWER (d.) Assertion is false, but Reason is true.
Assertion: Duck bill platypus is not a true mammal.
Reason: True mammals are all viviparous while platypus are egg laying.
(a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
(b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c.) Assertion is true, but Reason is false.
(d.) Assertion is false, but Reason is true.
ANSWER (d.) Assertion is false, but Reason is true.
Assertion: Bats and whales are classified as mammals.
Reason: Bats and whales have four chambered heart.
(a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
(b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c.) Assertion is true, but Reason is false.
(d.) Assertion is false, but Reason is true.
ANSWER (b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
Assertion: Mammalian teeth are heterodont.
Reason: Mammals possess more than a single tooth
(a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
(b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c.) Assertion is true, but Reason is false.
(d.) Assertion is false, but Reason is true.
ANSWER (a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
Assertion: Reptiles are referred to as poikilotherms.
Reason: Reptiles possess eggs with shells which help them to adapt in land environment.
(a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
(b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c.) Assertion is true, but Reason is false.
(d.) Assertion is false, but Reason is true.
ANSWER (c.) Assertion is true, but Reason is false.
Assertion: Birds possess moist skin.
Reason: Birds possess oil glands throughout their body.
(a.) Both Assertion and Reason are true and Reason is correct explanation of Assertion.
(b.) Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c.) Assertion is true, but Reason is false.
(d.) Assertion is false, but Reason is true
ANSWER (d.) Assertion is false, but Reason is true
Which of the following animals does not undergo metamorphosis?
(a) Earthworm (b) Tunicate (c) Starfish (d) Moth
ANSWER (a) Earthworm
Which one of these animals is not a homeotherm?
(a) Macropus (b) Chelone (c) Psittacula (d) Camelus
ANSWER (b) Chelone
Identify the vertebrate group of animals characterised by crop and gizzard in its digestive system.
(a) Amphibia (b) Reptilia (c) Osteichthyes (d) Aves
ANSWER (d) Aves
In case of poriferans, the spongocoel is lined with flagellated cells called __________.
(a) oscula (b) choanocytes (c) mesenchymal cells (d) ostia
ANSWER (b) choanocytes
An important characteristic that hemichordates share with chordates is
(a) ventral tubular nerve cord. (b) pharynx with gill slits.
(c) pharynx without gill slits. (d) absence of notochord.
ANSWER (b) pharynx with gill slits.
Which among these is the correct combination of aquatic mammals?
(a) Dolphins, Seals, Trygon (b) Whales, Dolphins, Seals
(c) Trygon, Whales, Seals (d) Seals, Dolphins, Sharks
ANSWER (b) Whales, Dolphins, Seals
Which of the following features is not present in the phylum- arthropoda?
(a) Chitinous exoskeleton (b) Metameric segmentation
(c) Parapodia (d) Jointed appendages
ANSWER (c) Parapodia
Which of the following characteristic features always holds true for the corresponding group of animals?
(a) Cartilaginous – Chondrichthyes endoskeleton (b) Viviparous – Mammalia
(c) Possess a mouth – Chordata with an upper and a lower jaw
(d) 3 – chambered heart – Reptilia with one incompletely divided ventricle
ANSWER (a) Cartilaginous – Chondrichthyes endoskeleton
Which one of the following characteristics is not shared by birds and mammals?
(a) Ossified endoskeleton (b) Breathing using lungs
(c) Viviparity (d) Warm blooded nature
ANSWER (c) Viviparity
Which of the following characteristics is mainly responsible for diversification of insects on land?
(a) Bilateral symmetry (b) Exoskeleton (c) Eyes (d) Segmentation
ANSWER (b) Exoskeleton
Metagenesis refers to
(a) alteration of generation between asexual and sexual phases of an organisms.
(b) occurrence of a drastic change in form during post-embroyonic development.
(c) presence of a segmented body and parthenogenetic mode of reproduction.
(d) presence of different morphic forms.
ANSWER(a) alteration of generation between asexual and sexual phases of an organisms.
Body having meshwork of cell, internal cavities lined with food filtering flagellated cells and indirect development arethe characteristics of phylum:
(a) Porifera (b) Mollusca (c) Protozoa (d) Coelenterate
ANSWER (a) Porifera
Which of the following represents the correct combination without any exception?A jawless fish, which lays eggs in fresh water and whose ammocoetes larvae after metamorphosis return to the ocean is
(a) Myxine (b) Neomyxine (c) Petromyzon (d) Eptatretus
ANSWER (a) Myxine
Which of the following animals is not viviparous?
(a) Elephant (b) Platypus (c) Whale (d) Flying fox (bat)
ANSWER (c) Whale
Select the taxon mentioned that represents both marine and fresh water species.
(a) Echinoderms (b) Ctenophora (c) Cephalochordata (d) Cnidaria
ANSWER (b) Ctenophora
Which one of the following living organisms completely lacks a cell wall?
(a) Cyanobacteria (b) Sea – fan (Gorgonia)
(c) Saccharomyces (d) Blue–green algae
ANSWER (d) Blue–green algae
Planaria possesses high capacity of _________.
(a) metamorphosis (b) regeneration
(c) alternation of generation (d) bioluminescence
ANSWER (b) regeneration
A marine cartilaginous fish that can produce electric current is:
(a) Pristis (b) Torpedo (c) Trygon (d) Scoliodon
ANSWER (b) Torpedo
Match the following organisms with their respective characteristics:-
(a) Pila (i) Flame cells
(b) Bombyx (ii) Comb plates
(c) Pleurobrachia (iii) Radula
(d) Taenia (iv) Malpighian tubules
ANSWER (b) Bombyx (ii) Comb plates
Select the correct option from the following :-
(a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d)
(1) (iii) (ii) (i) (iv) (2) (iii) (iv) (ii) (i) (3) (ii) (iv) (iii) (i) (4) (iiii) (ii) (iv) (i)
ANSWER (2) (iii) (iv) (ii) (i)
Match the following genera with their respective phylum:
(a) Ophura (i) Mollusca
(b) Physalia (ii) Platyhelminthes
(c) Pinctada (iii) Echinodermata
(d) Planaria (iv) Coelenterata
Select the correct option:
(1) (a)-(iv), (b)-(i), (c)-(iii), d-(ii) (2) (a)-(iii), (b)-(iv), (c)-(i), d-(ii)
(3) (a)-(i), (b)-(iii), (c)-(iv), d-(ii) (4) (a)-(iii), (b)-(iv), (c)-(ii), d-(i)
ANSWER (2) (a)-(iii), (b)-(iv), (c)-(i), d-(ii)
Which of the following animals are true coelomates with bilateral symmetry?
(1) Adult Echinoderms (2) Aschelminthes (3) Platyhelminthes (4) Annelids
ANSWER (4) Annelids
Which of the following options does correctly represent the characteristic features of phylum Annelida ?
(1) Triploblastic, unsegmented body and bilaterally symmetrical.
(2) Triploblastic, segmented body and bilaterally symmetrical.
(3) Triploblastic, flattened body and acoelomate condition.
(4) Diploblastic, mostly marine and radially symmetrical.
ANSWER (2) Triploblastic, segmented body and bilaterally symmetrical.
Match the following group of organisms with their respective distinctive characteristics and select the correct option :
Organisms Characteristics
(a) Platyhelminthes (i) Cylindrical body with no segmentation
(b) Echinoderms (ii) Warm blooded animals with direct development
(c) Hemichordates (iii) Bilateral symmetry with incomplete digestive system
(d) Aves (iv) Radial symmetry with indirect development
(1) (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii) (2) (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
(3) (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii) (4) (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
ANSWER (1) (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
Match the following columns and select the correct option:
Column – I Column – II
(a) Aptenodytes (i) Flying fox
(b) Pteropus (ii) Angel fish
(c) Pterophyllum (iii)Lamprey
(d) Petromyzon (iv)Penguin
(1) (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i) (2) (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
(3) (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii) (4) (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
ANSWER (3) (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
All vertebrates are chordates but all chordates are not vertebrates, why?
(1) Notochord is replaced by vertebral column in adult of some chordates.
(2) Ventral hollow nerve cord remains throughout life in some chordates.
(3) All chordates possess vertebral column.
(4) All chordates possess notochord throughout their life.
ANSWER (1) Notochord is replaced by vertebral column in adult of some chordates.
Which of the following statements are true for the phylum – Chordata?
a) In Urochordata notochord extends from head to tail and it is present throughout their life
b) In Vertebrata notochord is present during the embryonic period only
c) Central nervous system is dorsal and hollow
d) Chordata is divided into 3 subphyla : Hemichordata, Tunicata and Cephalochordata
1) (b) and (c) 2) (d) and (c) 3) (c) and (a) 4) (a) and (b)
ANSWER 1) (b) and (c)
Match the following columns and select the correct option
Column – I Column – II
(a) Gregarious, polyphagous pest (i) Asterias
(b) Adult with radial symmetry and larva (ii) Scorpion
with bilateral symmetry
(c) Book lungs (iii) Ctenoplana
(d) Bioluminescence (iv) Locusta
(a) (b) (c) (d) (a) (b) (c) (d0
1) (ii) (i) (iii) (iv) 2) (i) (iii) (ii) (iv)
3) (iv) (i) (ii) (iii) 4) (iii) (ii) (i) (iv)
ANSWER 3) (iv) (i) (ii) (iii)
Match the following columns and select the correct option
Column-I Column-II
a) 6-15 pairs of gill slits i) Trygon
b) Heterocercal caudal fin ii) Cyclostomes
c) Air Bladder iii) Chondrichthyes
d) Poison sting iv) Osteichthyes
(a) (b) (c) (d)
1) i iv iii ii
2) ii iii iv i
3) iii ii iii i
4) iv ii iii i
ANSWER 2) ii iii iv i
Bilateral symmetrical and acoelomate animals are exemplified by
1) Annelida 2) Ctenophora 3) Platyhelminthes 4) Aschelminthes
Match List-I with List-II
| List-I | List-II | ||
| (a) | Metamerism | (i) | Coelenterata |
| (b) | Canal plates | (ii) | Ctenophora |
| ( c) | Comb plates | (iii) | Annelida |
| (d) | Cnidoblasta | (iv) | Porifera |
ANSWER 3) Platyhelminthes
Choose the correct answer from the options given below.
(a) (b) ( c) (d)
1) (iii) (iv) (i) (ii)
2) (iii) (iv) (ii) (i)
3) (iv) (i) (ii) (iii)
4) (iv) (iii) (i) (ii)
ANSWER 2) (iii) (iv) (ii) (i)
Read the following statements
a) Metagenesis is observed in Helminths
b) Round worms have organ –system level of body organization
c) Comb plates present in ctenophores help in digestion
e) Water vascular system is characteristic of Echinoderms
Choose the correct answer from the options given below
1) (a), (b) and (c) are correct 2) (a), (d) and (e) are correct
3) (b), (c) and (e) are correct 4) (c) , (d) and (e) are correct
ANSWER 3) (b), (c) and (e) are correct
Which one of the following organisms bears hollow and pneumatic long bones ?
1) Hemidactylus 2) Macropus 3) Ornithorhynchus 4) Neophron
ANSWER 4) Neophron
Match the following:
| List – I | List – II |
| a) Physalia | i) Pearl oyster |
| b)Limulus | ii) Portuguese Man of War |
| c) Ancylostoma | iii) Living fossil |
| d) Pinctada | iv) Hookworm |
Choose the correct answer from the options given below
1) a-iv, b-i, c-iii, d-ii 2) a-ii, b-iii, c-iv, d-i 3) a-i, b-iv, c-iii, d-ii 4) a-ii, b-iii, c-i, d-iv
ANSWER 2) a-ii, b-iii, c-iv, d-i
Exoskeleton of arthropods in composed of:
1) Cutin 2) Cellulose 3) Chitin 4) Glucosamine
ANSWER 3) Chitin
In which of the following animals, digestive tract has additional chambers like crop and gizzard?
1) Corvus, Columba, Chameleon 2) Bufo, Balaenoptera, Bangarus
3) Catla, Columba, Crocodilus 4) Pavo, Psittacula, Corvus
ANSWER 4) Pavo, Psittacula, Corvus
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): All vertebrates are chordates but all chordates are not vertebrates.
Reason (R): Notochord is replaced by vertebral column in the adult vertebrates.
In the light of the above statements, choose the most appropriate answer from the options given below:
1) Both (A) and (R) are correct and (R) is the correct explanation of (A)
2) Both (A) and (R) are correct but (R) is not the correct explanation of (A)
3) (A) is correct but (R) is not correct
4) (A) is not correct but (R) is correct.
ANSWER 1) Both (A) and (R) are correct and (R) is the correct explanation of (A)
chapter notes CHAPTER 3 ANIMAL KINGDOM
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