Class 10 Biology Competitive Exam MCQs – Practice Test 29 (Chapter 7)

Man and Environment Multiple Choice Questions and Answers PDF – Test 29

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Man and Environment MCQs with Answers PDF Download – Test 29

MCQ 141: Considering the pyramid of numbers, the consumers that are maximum in number and smallest in size are called:

tertiary consumers
producers
tertiary decomposers
secondary decomposers

MCQ 142: All the ecosystem of the world together form:

biome
biosphere
community
biomass

MCQ 143: Considering the components of the ecosystem, the example of producers is:

ants and flies
photosynthetic bacteria
cattle
snakes

MCQ 144: The thickness of biosphere of Earth (in kilometers) is about:

35 kilometers
30 kilometers
20 kilometers
40 kilometers

MCQ 145: The establishment of new forest is:

deforestation
reforestation
afforestation
forestation

Man and Environment MCQs App & e-Book – Class 10 Biology Competitive Exam

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