Class 8 Science MCQs - Chapter 7
Man Impact on Ecosystem Quiz Questions and Answers PDF - 3
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The Quiz: Algae grows on surface of water and hence the becomes barrier for plants in water by blocking; "Man Impact on Ecosystem" App Download iOS & Android (Free) with answers heat, sunlight, fresh water and temperature to learn online certificate courses. Study human activities and ecosystem quiz questions, download Amazon eBook (Free Sample) for online courses.
Man Impact on Ecosystem Questions & Answers PDF Download: MCQ Quiz 3
MCQ 11: Algae grows on surface of water and hence the becomes barrier for plants in water by blocking
- sunlight
- heat
- fresh water
- temperature
MCQ 12: Technology can be use to harness renewable sources of
- energy
- food
- light
- heat
MCQ 13: Many animals have become endangered species due to
- over hunting
- over feeding
- global warming
- forestation
MCQ 14: Animal which is hunted for its glands which is used to make perfumes is
- deer
- cat
- antelope
- duck
MCQ 15: During decomposition of buried waste explosion can occur due to production of gas
- oxygen
- methane
- carbon dioxide
- nitrogen
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Grade 6 Science MCQ with Answers
- Microorganisms also help in production of food like
- Main constituent in air is
- Relation between two populations that benefits both is known as
- Consuming untreated river or stream water may lead to
- A lot of heat energy and light energy is given off by a
- Rate of photosynthesis decreases because the enzymes are denatured at