Class 10 Biology MCQs - Chapter 7

Man and Environment Multiple Choice Questions (MCQs) PDF Download - 17

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The Man and environment Multiple Choice Questions (MCQs) with Answers PDF (man and environment MCQs PDF e-Book) download Ch. 7-17 to study Grade 10 Biology Course. Learn Man and Environment Quiz Questions and Answers to study online certification courses. The Man and Environment MCQs App Download: Free learning app for levels of ecological organization, interactions in ecosystems, biology worksheets grade 10, ecological pyramid, pollution: consequences and control test prep for free online courses.

The MCQ: Nitrogen fixation is the conversion of nitrogen gas to; "Man and Environment" App Download (Free) with answers: Nitrites; Nitrates; Nitric acid; Nitric oxide; to study online certification courses. Solve Levels of Ecological Organization MCQ Questions, download Google eBook (Free Sample) for free online courses.

Man and Environment MCQs with Answers PDF Download: Quiz 17

MCQ 81:

Nitrogen fixation is the conversion of nitrogen gas to

nitrates
nitrites
nitric acid
nitric oxide

MCQ 82:

The organisms who kills, attacks and feeds others are called

prey
predators
assimilators
competitors

MCQ 83:

The excess burning of fossil fuels leads to increased carbon dioxide which results in

greenhouse effect only
global warming only
acidic rain
green house effect and global warming

MCQ 84:

The ecological pyramid concept was proposed by Charles Elton in

1927
1930
1935
1938

MCQ 85:

The ultraviolet rays in the radiations of the sun are absorbed by

troposphere
thermosphere
stratosphere
ozone

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