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BIOLOGY MCQs
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Answer: Option D. -> Sodium bicarbonate
Answer: Option B. -> gymnosperms
Answer: Option C. -> decrease in thickness of ozone layer in stratosphere
Answer: Option A. -> transfer of pollen from anther to stigma
Answer: Option B. -> active transport
Answer: Option A. -> Leaf and other chloroplast bearing parts
Answer: Option A. -> I and II are correct
Answer: Option A. -> free nitrogen