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NEET UG BIOLOGY MCQ: MINERAL NUTRITION
1
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Analyzing
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Assertion: The main constituent of several coenzymes, vitamins and ferredoxin is sulphur.
Reason: Sulphur is present in two amino acids valine and cysteine.
Reason: Sulphur is present in two amino acids valine and cysteine.
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Correct option: C
If Assertion is true but Reason is false.
Option C (Assertion is true but Reason is false) is correct because while sulphur is a constituent of coenzymes, vitamins, and ferredoxin, it is present in cysteine and methionine, not valine.
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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