Class 8 Science Online Tests
Human Activities and Ecosystem MCQ (Multiple Choice Questions) PDF Download
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The MCQ: The dodo became extinct in; "Human Activities and Ecosystem" App Download (Free) with answers: 1681, 1961, 1896, and 1861 to learn online schools courses. Solve Man Impact on Ecosystem Quiz Questions, download Apple eBook (Free Sample) for online degree programs.
Human Activities and Ecosystem Questions and Answers PDF Download
The dodo became extinct in
- 1681
- 1961
- 1896
- 1861
Smoke particles and harmful gases released in air produces a
- smoke
- haze
- fog
- smog
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
When forests are cleared on a very large scale by cutting or burning them down it is
- forestation
- deforestation
- plantation
- incantation
Class 8 Science Practice Tests
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