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Q. No.
Minerals known to be required in large amounts for plant growth include
1. phosphorus, potassium, sulphur, calcium
2. calcium, magnesium, manganese, copper
3. potassium, phosphorus, selenium, boron
4. magnesium, sulphur, iron, zinc
2. calcium, magnesium, manganese, copper
3. potassium, phosphorus, selenium, boron
4. magnesium, sulphur, iron, zinc
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDeficiency symptoms of nitrogen and potassium are visible first in :
1. Senescent leaves
2. Young leaves
3. Roots
4. Buds
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology2. Nitrite
3. Glutamate
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe most abundant intracellular cation is :
1. Ca2+
2. H+
3. K+
4. Na+
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBest defined function of manganese in green plants is
1. Photolysis of water
2. Calvin cycle
3. Nitrogen fixation
4. Water absorption
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following is wrong statement?
1. Anabaena and Nostoc are capable of fixing nitrogen in free- living state also
2. Root nodule forming nitrogen fixers live as aerobes under free-living conditions
3. Phosphorus is a constituents of cell membranes, certain nucleic acids and all proteins
4. Nitrosomonas and Nitrobacter are chemoautotrophs
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn element playing important role in nitrogen fixation is
1. molybdenum
2. copper
3. manganese
4. zinc
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. oxygen removal
2. nodule differentiation
3. expression of nif gene
4. inhibition of nitrogenase activity
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. convert free nitrogen to nitrogen compounds
2. convert proteins into ammonia
3. reduce nitrates to free nitrogen
4. oxidize ammonia to nitrates
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following is not a micronutrient?
1. Molybdenum
2. Magnesium
3. Zinc
4. Boron
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