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NEET UG BIOLOGY MCQ: MINERAL NUTRITION
1
Medium
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Analyzing
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Assertion: As per carbonic acid exchange theory of mineral salt absorption, released during respiration of roots forms when dissolved in soil water.
Reason: dissociates into and ions, where ions exchange with anions adsorbed on clay particles.
Reason: dissociates into and ions, where ions exchange with anions adsorbed on clay particles.
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Correct option: C
If Assertion is true but Reason is false
Option C (If Assertion is true but Reason is false) is correct because the assertion about carbonic acid exchange theory is accurate, but the reason incorrectly states that H+ ions exchange with anions; they exchange with cations.
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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