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NEET UG BIOLOGY MCQ: MINERAL NUTRITION
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Which of the given prokaryotes fixes nitrogen symbiotically as well as in free living state?
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Correct option: C
Anabaena
Option C (Anabaena) is correct because Anabaena is a cyanobacterium known to fix nitrogen both symbiotically (e.g., in association with Azolla) and in a free-living state.
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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