Class 10 Biology MCQs - Chapter 7

Man and Environment Multiple Choice Questions (MCQs) PDF Download - 5

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The Man and environment Multiple Choice Questions (MCQs) with Answers PDF (man and environment MCQs PDF e-Book) download Ch. 7-5 to study Grade 10 Biology Course. Learn Man and Environment Quiz Questions and Answers to study e-learning courses. The Man and Environment MCQs App Download: Free learning app for conservation of nature, flows of materials and ecosystem energy, bacterias, 10th grade biology worksheets test prep for high school graduation certificate.

The MCQ: Small fish and crustaceans are also used to kill the larvae of; "Man and Environment" App Download (Free) with answers: Aphids; Butterfly; Mosquitos; Pupa; to study e-learning courses. Solve Conservation of Nature MCQ Questions, download Google eBook (Free Sample) for online schools.

Man and Environment MCQs with Answers PDF Download: Quiz 5

MCQ 21:

Small fish and crustaceans are also used to kill the larvae of

butterfly
aphids
mosquitos
pupa

MCQ 22:

The combination of atmospheric nitrogen with hydrogen under high temperature and pressure is classified as

atmospheric oxygen fixation
atmospheric nitrogen fixation
industrial nitrogen fixation
biological nitrogen fixation

MCQ 23:

The conversion of gaseous nitrogen into the nitrates with the help of bacteria is classified as

biological oxygen fixation
atmospheric oxygen fixation
atmospheric nitrogen fixation
biological nitrogen fixation

MCQ 24:

The process of denitrification returns nitrogen into the

ecosystem
atmosphere
biosphere
organism

MCQ 25:

The atmospheric gaseous nitrogen is converted during lightning and thunderstorms into

oxides of carbon
oxides of oxygen
oxides of nitrogen
nitric acid

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