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Biology MCQs

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Question 1easy

Ordinary table salt is sodium chloride. What is baking soda?

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Question 2hard

Ozone hole refers to

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Question 3hard

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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Question 4medium

Pollination is best defined as

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Question 5easy

Plants receive their nutrients mainly from

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Question 6hard

Movement of cell against concentration gradient is called

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Question 7hard

Photosynthesis generally takes place in which parts of the plant?