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NEET UG BIOLOGY MCQ: MINERAL NUTRITION
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Statement I: Nitrogen is a limiting nutrient in agriculture ecosystem but not is case of natural environment due to its abundance in the atmosphere.
Statement II: In nature, while lighting provides enough energy for nitrogen fixation same is not true for UV rays.
Statement II: In nature, while lighting provides enough energy for nitrogen fixation same is not true for UV rays.
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Correct option: B
Both statement I and II are incorrect
Option B (Both statement I and II are incorrect) is correct because nitrogen can be limiting in some natural environments, and UV rays can also provide energy for nitrogen fixation, although less efficiently than lightning.
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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