Environment GKGeneral Knowledge 100+ MCQ & Answer Environment General Knowledge | page-08 | General Knowledge MCQ And Answer February 1, 2025 DSN MARATHI 71. A product of photosynthesis is A. Carbon dioxide B. Water C. Oxygen D. Chlorophyll Answer Option : C 72. Primary source of energy in a food web is/are A. Green plants B. Sun C. Inorganic nutrients D. Animals Answer Option : B 73. A group of living organisms of the same kind living in the same place and at the same time refers to a A. Community B. Species C. Population D. Consumers Answer Option : C 74. Which of these organisms has a diet consisting only of plant matter A. Omnivores B. Carnivores C. Herbivores D. Insectivores Answer Option : C 75. The true end of any food chain is the A. Decomposer B. Predator C. Consumer D. Human Answer Option : A 76. The second trophic level in a lake is A. Phytoplankton B. Zooplanktons C. Fishes D. Benthos Answer Option : B 77. Which of the following can act as a pioneer species in a xerach succession A. Lichens B. Humans C. Herbs D. Animals Answer Option : A 78. Energy flow in an ecosystem is A. Bidirectional B. Unidirectional C. Multidirectional D. All rounds Answer Option : C 79. Which of the following is an example of a man-made ecosystem A. Tissue culture B. Herbarium C. Aquarium D. Forest Answer Option : C 80. Pyramid of energy in a pond ecosystem is always A. Inverted B. Upright C. Linear D. Irregular Answer Option : B
71. A product of photosynthesis is A. Carbon dioxide B. Water C. Oxygen D. Chlorophyll Answer Option : C
72. Primary source of energy in a food web is/are A. Green plants B. Sun C. Inorganic nutrients D. Animals Answer Option : B
73. A group of living organisms of the same kind living in the same place and at the same time refers to a A. Community B. Species C. Population D. Consumers Answer Option : C
74. Which of these organisms has a diet consisting only of plant matter A. Omnivores B. Carnivores C. Herbivores D. Insectivores Answer Option : C
75. The true end of any food chain is the A. Decomposer B. Predator C. Consumer D. Human Answer Option : A
76. The second trophic level in a lake is A. Phytoplankton B. Zooplanktons C. Fishes D. Benthos Answer Option : B
77. Which of the following can act as a pioneer species in a xerach succession A. Lichens B. Humans C. Herbs D. Animals Answer Option : A
78. Energy flow in an ecosystem is A. Bidirectional B. Unidirectional C. Multidirectional D. All rounds Answer Option : C
79. Which of the following is an example of a man-made ecosystem A. Tissue culture B. Herbarium C. Aquarium D. Forest Answer Option : C
80. Pyramid of energy in a pond ecosystem is always A. Inverted B. Upright C. Linear D. Irregular Answer Option : B
