Class 10 Biology Competitive Exam MCQs – Practice Test 21 (Chapter 7)

Man and Environment Multiple Choice Questions and Answers PDF – Test 21

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Free Man and Environment MCQs App Download: Considering the kind of symbiosis, the classification of parasites includes; MCQ with answers: ectoparasite only, endoparasite only, digestion parasites, and endoparasite and ectoparasite. Solve Ecology MCQ Questions, download Google e-Book (Free Chapter) to join science classes.

Man and Environment MCQs with Answers PDF Download – Test 21

MCQ 101: Considering the Earth's ecosystem, the producers are called:

autotrophs
heterotrophs
tertiary autotrophs
secondary autotrophs

MCQ 102: Considering the kind of symbiosis, the classification of parasites includes:

endoparasite only
ectoparasite only
digestion parasites
endoparasite and ectoparasite

MCQ 103: In the biosphere, the principal decomposers are:

birds
grasshoppers
protozoan
fungi and bacteria

MCQ 104: The petroleum burning in the air leads to the:

methane
oxygen
sulphur dioxide
nitrogen dioxide

MCQ 105: The process in which nitrites and nitrates are reduced into nitrogen gas by the denitrification of bacteria is called:

ammonification
assimilation
nitrification
denitrification

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

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