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NEET UG BIOLOGY MCQ: MINERAL NUTRITION
1
Medium
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Analyzing
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Which of the following statements are correct?
i) Magnesium competes with iron and manganese for uptake and with iron for binding with enzymes
ii) Magnesium inhibit calcium translocation in shoot apex
iii) Excess of manganese may induce deficiencies of iron, magnesium and calcium
iv) Symptoms of manganese toxicity may actually be the deficiency symptoms of iron, magnesium and calcium.
i) Magnesium competes with iron and manganese for uptake and with iron for binding with enzymes
ii) Magnesium inhibit calcium translocation in shoot apex
iii) Excess of manganese may induce deficiencies of iron, magnesium and calcium
iv) Symptoms of manganese toxicity may actually be the deficiency symptoms of iron, magnesium and calcium.
View answer and explanation
Correct option: C
iii and iv
Option C (iii and iv) is correct because excess manganese can induce deficiencies of iron, magnesium, and calcium, and the symptoms of manganese toxicity can resemble these deficiencies.
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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