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NEET UG BIOLOGY MCQ: MINERAL NUTRITION
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Assertion : Manganese is an activator of enzyme nitrite reductase.
Reason : Manganese deficient cells prefer ammonia over nitrate.
Reason : Manganese deficient cells prefer ammonia over nitrate.
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Correct option: A
If both Assertion and Reason are true and Reason is the correct explanation of Assertion
Option A (If both Assertion and Reason are true and Reason is the correct explanation of Assertion) is correct because Manganese activates nitrite reductase, and manganese-deficient cells prefer ammonia over nitrate due to impaired nitrate reduction.
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Toxicity of prevent / affect uptake of
Select the match ones.
I Nitrosomonas – Nitrite to nitrate
II Thiobacillus - Denitrification
III Nostoc - Free-living nitrogen-fixer
IV Azotobacter - Anaerobic nitrogen-fixer Deficiency of which to the following can cause yellowing of intravenous regions of leaves? Which among the following are used as media for hydroponics? Elements mainly involved in cell membrane synthesis, in normal functioning of the cell membrane are The major characteristics of colloids is/are
I Nitrosomonas – Nitrite to nitrate
II Thiobacillus - Denitrification
III Nostoc - Free-living nitrogen-fixer
IV Azotobacter - Anaerobic nitrogen-fixer Deficiency of which to the following can cause yellowing of intravenous regions of leaves? Which among the following are used as media for hydroponics? Elements mainly involved in cell membrane synthesis, in normal functioning of the cell membrane are The major characteristics of colloids is/are