Environment GKGeneral Knowledge 100+ MCQ & Answer Environment General Knowledge | page-09 | General Knowledge MCQ And Answer February 1, 2025 DSN MARATHI 81. If in a population, natality is balanced by mortality, then there will be A. Decrease in population growth B. Increase in population growth C. Zero population growth D. Over population Answer Option : C 82. In a pyramid of numbers in grassland ecosystems, the largest population is that of A. Herbivores B. Primary consumers C. Secondary consumer D. Producers Answer Option : A 83. Which of these belong to the category of primary consumers in grazing food chain A. snakes and frogs B. Insects and cattle C. Eagle and snakes D. Cow and rabbit Answer Option : D 84. The pyramid of energy is always upright for any ecosystem, this situation indicates that A. Herbivores have better energy conversion efficiency than carnivores B. Producers have the lowest energy conversion efficiency C. Carnivores have a better energy conversion efficacy than herbivores D. Energy conversion efficiency is same at all trophic levels Answer Option : D 85. Which of the ecological pyramid is always upright A. Pyramid of numbers B. Pyramid of biomass C. Pyramid of energy D. All of the above Answer Option : C 86. Which one of the following is not a gaseous biogeochemical cycle A. Nitrogen cycle B. Carbon cycle C. Sulphur cycle D. Phosphorus cycle Answer Option : D 87. Deserts, grasslands, forests and tundra regions are the examples of A. Biomes B. Biogeographically regions C. Ecosystems D. Biospheres Answer Option : C 88. The upright pyramid of numbers is absent in A. Lake B. Pond C. Grasslands D. Forests Answer Option : D 89. The final stable community in ecological succession is A. Climax B. Pioneer C. Sere D. Carnivores Answer Option : A 90. The fossil fuel that is derived from the dead remains of plants that grew some 250 million years ago is A. Petroleum B. Natural gas C. Coal D. LPG Answer Option : C
81. If in a population, natality is balanced by mortality, then there will be A. Decrease in population growth B. Increase in population growth C. Zero population growth D. Over population Answer Option : C
82. In a pyramid of numbers in grassland ecosystems, the largest population is that of A. Herbivores B. Primary consumers C. Secondary consumer D. Producers Answer Option : A
83. Which of these belong to the category of primary consumers in grazing food chain A. snakes and frogs B. Insects and cattle C. Eagle and snakes D. Cow and rabbit Answer Option : D
84. The pyramid of energy is always upright for any ecosystem, this situation indicates that A. Herbivores have better energy conversion efficiency than carnivores B. Producers have the lowest energy conversion efficiency C. Carnivores have a better energy conversion efficacy than herbivores D. Energy conversion efficiency is same at all trophic levels Answer Option : D
85. Which of the ecological pyramid is always upright A. Pyramid of numbers B. Pyramid of biomass C. Pyramid of energy D. All of the above Answer Option : C
86. Which one of the following is not a gaseous biogeochemical cycle A. Nitrogen cycle B. Carbon cycle C. Sulphur cycle D. Phosphorus cycle Answer Option : D
87. Deserts, grasslands, forests and tundra regions are the examples of A. Biomes B. Biogeographically regions C. Ecosystems D. Biospheres Answer Option : C
88. The upright pyramid of numbers is absent in A. Lake B. Pond C. Grasslands D. Forests Answer Option : D
89. The final stable community in ecological succession is A. Climax B. Pioneer C. Sere D. Carnivores Answer Option : A
90. The fossil fuel that is derived from the dead remains of plants that grew some 250 million years ago is A. Petroleum B. Natural gas C. Coal D. LPG Answer Option : C
