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38 ENVIRONMENTAL ISSUES QUESTIONS ENVIRONMENTAL ISSUES QUESTIONS __________ are the agents that bring undesirable changes in physical, chemical or biological characteristics of air, land, water or soil. A) Pollution B) Pollutants C) Contagion          D) Particulate matter ANSWERB) Pollutants Environment (protection) Act was passed in ________ A) 1990 B) 1996 C) 1986                  D) 1948 […]

38 ENVIRONMENTAL ISSUES ENVIRONMENTAL ISSUES PRACTICE QUESTIONS Environmental Issues: With increase in human population, demands for food, shelter, water, electricity, roads, and automobiles are increasing rapidly and exerting pressure on environment and altering the natural health of ecosystem. All across the world, people are facing a wealth of new and challenging environmental problems every day. […]

37 BIODIVERSITY AND CONSERVATION QUESTIONS BIODIVERSITY AND CONSERVATION QUESTIONS CHAPTER NOTES Term ‘Biodiversity’ popularized by A) Robert hook B) Ernst Haeckel C) Edward Wilson      D) G. Tansley Edward Wilson was a – A) Mathematician B) Sociobiologist C) Psychologist           D) None of the above ‘Biodiversity’ was popularized A) To describe the combined diversity B) […]

37 BIODIVERSITY AND CONSERVATION BIODIVERSITY AND CONSERVATION PRACTICE QUESTIONS Biodiversity: Biodiversity or biological diversity is the occurrence of different types of ecosystems, different species of organisms and their variant like biotypes, ecotypes and gene adapted to different climates and environments of different regions including their interactions and processes. This term was coined by Edward Wilson. […]

36 ECOSYSTEM QUESTIONS ECOSYSTEM QUESTIONS CHAPTER NOTES Vertical distribution of different species occupying different levels is called as A) Standing crop B) Standing state C) Stratification          D) Decomposition Identification and enumeration of plant and animal species of an ecosystem gives its A) Productivity B) Species composition C) Physical structure D) Vertical distribution Which one […]

36 ECOSYSTEM ECOSYSTEM PRACTICE QUESTIONS Ecosystem: Ecosystem is a biological community where the living and non-living components interact with each other and their physical environment. It is the functional unit of nature and varies greatly in size. Let us have a look at the structure, function and components of ecosystem. Structure of Ecosystem: The structure […]

35 ORGANISMS AND POPULATIONS QUESTIONS ORGANISMS AND POPULATIONS QUESTIONS Who is the Indian father of Ecology?   A) E. hackle B) Ramdeo Mishra C) P. odum                  D) Tansley For what is the interaction among organisms is necessary   A) Recreation B) Reproduction C) Survival                  D) Both B and C Basic unit of ecological […]

35 ORGANISMS AND POPULATIONS ORGANISMS AND POPULATIONS PRACTICE QUESTIONS Ecology: Ecology is the branch of biology that deals with the interactions among organisms and between the organism and its physical (abiotic) environment. Study of ecology is important to strike a balance between development and maintenance of natural environmental and biotic communities, use and conservation of […]

34 BIOTECHNOLOGY AND ITS APPLICATIONS QUESTIONS BIOTECHNOLOGY AND ITS APPLICATIONS QUESTIONS CHAPTER NOTES Biotechnology mainly deals with A) Industrial scale production of biopharmaceutical B) Biological use of genetically modified microbes, fungi, plants and animals C) Both A and B D) None of these Which of the following is not included in the application of biotechnology […]