Class 10 Biology MCQs - Chapter 7

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

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The Multiple Choice Question (MCQ Quiz): Small fish and crustaceans are also used to kill the larvae of; "Man and Environment" App Download (Free) with answers aphids, butterfly, mosquitos and pupa to study e-learning courses. Solve conservation of nature quiz questions, download Google eBook (Free Sample) for online schools.

Man and Environment Questions & Answers PDF Download: MCQ 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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