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NEET UG BIOLOGY MCQ: MINERAL NUTRITION
1
Hard
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Understanding
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Ion transport in root occurs
i) Passively through channels
ii) Actively through channels
iii) Actively through carriers
iv) Through both symplast and apoplast.
i) Passively through channels
ii) Actively through channels
iii) Actively through carriers
iv) Through both symplast and apoplast.
View answer and explanation
Correct option: C
(i), (iii) and (iv)
Option C ((i), (iii) and (iv)) is correct because ions can move passively through channels, actively through carriers, and through both symplast and apoplast pathways.
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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