10 CELL CYCLE AND CELL DIVISION PRACTICE QUESTIONS All cells reproduce by dividing into _ _ _ _ _ , with each parental cells giving rise to_ _ _ _ _ cells each time they divide. A) One; four daughter B) Two; two daughter C) One; two daughter D) Two; four daughter A cell cycle […]
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10 CELL CYCLE AND CELL DIVISION
10 CELL CYCLE AND CELL DIVISION PRACTICE QUESTIONS Cell cycle The sequence of events by which a cell duplicates its genome, synthesizes the other constituents of cells and eventually divides into two daughter cells is called cell cycle. G1 Phase: Cell metabolically active and grows continuously but does not replicate DNA S Phase: DNA synthesis […]
9 BIOMOLECULES PRACTICE QUESTIONS
9 BIOMOLECULES PRACTICE QUESTIONS CHAPTER NOTES Elemental analysis on a plant tissue, Animal tissue or a microbial paste reveals:- A) list of elements like C; H; O & several others B) Respective content per unit mass of a living tissue C) Both D) Diversity of living organism in our Biosphere. Elemental list could be _____ […]
9 BIOMOLECULES
9 BIOMOLECULES Biomolecules All the carbon compounds that we get from living tissues. Biomicromolecules: Molecules which have molecular weights less than one thousand Dalton. They are also known as monomers. Biomacromolecules: Have molecular weight more than 10000 Daltons (generally 10,000 Daltons and above). They are generally polymers. A biomolecule a with molecular weight in the […]
8 CELL THE UNIT OF LIFE PRACTICE QUESTIONS
8 CELL THE UNIT OF LIFE PRACTICE QUESTIONS In living organisms detailed description that brings out their knowledge of diversity is about A) Their form B) Their appearance C) Both D) None What brought out the unit of diversity the cellular organisation of all life form: A) Theory of evolution B) Species theory C) Cell […]
8 CELL THE UNIT OF LIFE
8 CELL THE UNIT OF LIFE Cell A cell is defined as the most basic, structural and functional unit of all living organisms. Essentially, a cell is a structure that contains organelles which provide necessary functions to sustain itself. However, not all cells are the same. Prokaryotic cells (8 CELL THE UNIT OF LIFE) Membrane-bound […]
CHAPTER 7 STRUCTURAL ORGANISATION IN ANIMALS PRACTICE QUESTIONS
CHAPTER 7 STRUCTURAL ORGANISATION IN ANIMALS PRACTICE QUESTIONS CHAPTER NOTES Consider the following statements: a) A tissue is composed of similar cells which perform specific functions. b) Epithelial tissues are characterized by a free surface toward body fluid or outside environment. Select the correct option. A) a is true, b is false B) Both a […]
CHAPTER 7 STRUCTURAL ORGANISATION IN ANIMALS
CHAPTER 7 STRUCTURAL ORGANISATION IN ANIMALS PRACTICE QUESTIONS Tissue In multicellular organism a group of similar cells along with intercellular substances perform a specific function. Such organization is called tissue. Epithelial Tissue This tissue provides covering or lining for some part of the body. Cells are compactly packed without intercellular space. Simple Epithelial: Composed of […]
CHAPTER 6 ANATOMY OF FLOWERING PLANTS PRACTICE QUESTIONS
CHAPTER 6 ANATOMY OF FLOWERING PLANTS PRACTICE QUESTIONS CHAPTER NOTES Apical meristems A) Occur at root tip B) Produce primary tissues C) Regenerate parts of plant D) Both A & B During leaf formation and stem elongation, some cells of apical meristem left behind form- A) Primary cell. B) […]
CHAPTER 6 ANATOMY OF FLOWERING PLANTS
CHAPTER 6 ANATOMY OF FLOWERING PLANTS Anatomy Anatomy is the study of internal structure of organisms. Plant anatomy includes organization and structure of tissues. Tissue is a group is cells having a common origin and usually performing a common function. The Tissue A group of cells having a common origin and usually performing common function […]