Environment GKGeneral Knowledge 100+ MCQ & Answer Environment General Knowledge | page-05 | General Knowledge MCQ And Answer 01/02/2025 DSN MARATHI Last Updated on: 28/10/2025 41. 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 : D 42. 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 43. Deserts, grasslands, forests and tundra regions are the examples of A. Biomes B. Biogeographically regions C. Ecosystems D. Biospheres Answer Option : C 44. The upright pyramid of numbers is absent in A. Lake B. Pond C. Grasslands D. Forests Answer Option : D 45. The final stable community in ecological succession is A. Climax B. Pioneer C. Sere D. Carnivores Answer Option : A 46. Mass of living matter at a trophic level in an area at any given time is called A. Standing state B. Standing crop C. Humus D. Detritus Answer Option : B 47. Hydrarch succession takes place in A. Dry areas B. Bare area C. Wetter areas D. None of the above Answer Option : C 48. A herbivore is also known as a A. Producer B. First order consumer C. Second order consumer. D. Third order consumer Answer Option : B 49. Third order consumer A. Carbon dioxide B. Water C. Oxygen D. Chlorophyll Answer Option : C 50. Primary source of energy in a food web is/are A. Green plants B. Sun C. Inorganic nutrients D. Animals Answer Option : B
41. 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 : D
42. 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
43. Deserts, grasslands, forests and tundra regions are the examples of A. Biomes B. Biogeographically regions C. Ecosystems D. Biospheres Answer Option : C
44. The upright pyramid of numbers is absent in A. Lake B. Pond C. Grasslands D. Forests Answer Option : D
45. The final stable community in ecological succession is A. Climax B. Pioneer C. Sere D. Carnivores Answer Option : A
46. Mass of living matter at a trophic level in an area at any given time is called A. Standing state B. Standing crop C. Humus D. Detritus Answer Option : B
47. Hydrarch succession takes place in A. Dry areas B. Bare area C. Wetter areas D. None of the above Answer Option : C
48. A herbivore is also known as a A. Producer B. First order consumer C. Second order consumer. D. Third order consumer Answer Option : B
50. Primary source of energy in a food web is/are A. Green plants B. Sun C. Inorganic nutrients D. Animals Answer Option : B
