Class 8 Science Online Tests
Human Activities and Ecosystem Multiple Choice Questions (MCQ) PDF Download
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Human Activities and Ecosystem MCQs: Questions and Answers PDF Download
MCQ 1: The dodo became extinct in
MCQ 2: Smoke particles and harmful gases released in air produces a
MCQ 3: Fertilizers supports growth of
MCQ 4: If untreated waste water will be directly spill in to rivers, sea and lakes it may
MCQ 5: When forests are cleared on a very large scale by cutting or burning them down it is
Class 8 Science Practice Tests
Human Activities and Ecosystem Learning App & Free Study Apps
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8th Grade Science MCQs eBook Download
Grade 7 Science Career Tests
Grade 8 Science Practice Tests
Grade 7 Science MCQ Questions
- If someone carrying a knife or gun passes through a detector, it alters the rate of
- To make food, plants need
- Element which is non metal and is found on right side of periodic table is
- Helium is considered to be the abundantly found gas, ranking in number
- Cones are also sensitive to
- Zinc salt reacts with dilute shulphuric acid to form zinc salt and