1. |
Ordinary table salt is sodium chloride. What is baking soda?
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Answer: Option D
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2. |
Ozone hole refers to
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Answer: Option C
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3. |
Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to
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Answer: Option B
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4. |
Pollination is best defined as
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Answer: Option A
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5. |
Plants receive their nutrients mainly from
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Answer: Option D
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