Class 8 Science MCQs - Chapter 7
Man Impact on Ecosystem Multiple Choice Questions (MCQs) PDF Download - 1
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The Man impact on ecosystem Multiple Choice Questions (MCQs) with Answers PDF (man impact on ecosystem MCQs PDF e-Book) download Ch. 7-1 to study Grade 8 Science Course. Learn Man Impact on Ecosystem Quiz Questions and Answers to learn online certification courses. The Man Impact on Ecosystem MCQs App Download: Free learning app for human activities and ecosystem, conserving environment test prep for online elementary school courses.
The Multiple Choice Question (MCQ): The dodo became extinct in; "Man Impact on Ecosystem" App Download (Free) with answers: 1961; 1681; 1896; 1861; to learn online certification courses. Solve Human Activities and Ecosystem MCQ Questions, download Google eBook (Free Sample) for online courses.
Man Impact on Ecosystem MCQs with Answers PDF Download: Quiz 1
The dodo became extinct in
- 1681
- 1961
- 1896
- 1861
Smoke particles and harmful gases released in air produces a
- smoke
- haze
- fog
- smog
Environment can be kept clean and green by using
- less energy
- environment friendly technology
- protecting wildlife
- all of them
Fertilizers supports growth of
- algae
- fruit plants
- vines
- pines
If untreated waste water will be directly spill in to rivers, sea and lakes it may
- contaminate
- polluted
- spread diseases
- all of them
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Grade 6 Science MCQ with Answers
- Green pigment in leaves and stem of plants, that absorbs sunlight for process of photosynthesis is known as
- Sublimation is a technique that helps chemists to
- Loam contain suitable nutrients for plants growth and it can
- As specimen is in perfect focus, we should turn knob of
- A lot of heat energy and light energy is given off by a