Class 10 Biology MCQs – Practice Test 7 (Chapter 7)

Man and Environment Quiz with Answers PDF Download – Test 7

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Man and Environment Quiz – Practice Test 7 PDF Download

MCQ 31: The process which converts the nitrogen gas into the nitrates is called:

carbon fixation
nitrogen fixation
oxygen fixation
nitrate fixation

MCQ 32: The process in which there is the utilization of nitrates by organisms is called:

assimilation
denitrification
ammonification
nitrification

MCQ 33: The representation of biomass energy present in different levels of the food chain is classified as:

food chain pyramid
food web pyramid
biomass pyramid
ecological pyramid

MCQ 34: The coal burning in the air leads to:

oxygen and sulphur dioxide
methane and nitrogen dioxide
dust and nitrogen
dust and smoke

MCQ 35: The representation of biomass for per unit area at various trophic levels graphically is classified as:

pyramid of numbers
pyramid of primary consumers
pyramid of biomass
pyramid of decomposers

Man and Environment Quiz App & e-Book – Class 10 Biology Study Material

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