Which of the following is not a component of biomolecule is not contribute in structural elements of cell?

(1) C

(2) O

(3) N

(4) Mg

Subtopic:  Criteria for Essentiality of Elements |
 79%
From NCERT
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Which of the following is not a component of  energy related chemical compound in plant?

(1) Magnesium in chlorophyll

(2) Phosphorus in ATP

(3) Carbon in DNA

(4) Both 1 and 2

Subtopic:  Criteria for Essentiality of Elements |
 71%
From NCERT
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Which of the following act as an activator for ribulose bisphoshate carboxylase oxygenase?

(1) Zn++

(2) Mg++

(3) Mn+

(4) Ca++

Subtopic:  Criteria for Essentiality of Elements |
 87%
From NCERT
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Phosphoenol pyruvate carboxylase needs which of the following ions for activation?

(1) Zn++

(2) Mg++

(3) Mn++

(4) Ca++

Subtopic:  Criteria for Essentiality of Elements |
 83%
From NCERT
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Nitrogenase needs which of the following ion for activation?

(1) Cr

(2) Mo

(3) W

(4) Sg

Subtopic:  Criteria for Essentiality of Elements |
 96%
From NCERT
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Alcohol Dehydrogenase needs which of the following ion for activation?

(1) Zn++

(2) Mo

(3) Cr

(4) Mg++

Subtopic:  Criteria for Essentiality of Elements |
 87%
From NCERT
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For the opening and closing of stomata which of the following ion is important?

(1) Ca++

(2) Mo

(3) Cr

(4) K+

Subtopic:  Criteria for Essentiality of Elements |
 93%
From NCERT
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Nitrogen

Find the wrong one.

(1) Essential nutrient element required by plants in the greatest amount

(2) It is absorbed mainly as nitrite

(3) It is required by all parts of the plants particularly the meristematic tissue and metabolically active cells

(4) One of the major constituents of proteins, Nucleic Acid and vitamins

Subtopic:  Nitrogen Nutrition in Plants |
 80%
From NCERT
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Nitrogen is mainly absorbed as

(1) Nitrite

(2) Nitrate

(3) Ammonium

(4) All of these

Subtopic:  Mineral Function |
 62%
From NCERT
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Which of the following form is absorbed for the requirement of Phosphorus?

(1) Dihydrogen Phosphate, Hydrogen phosphate

(2) Phosphoric Acid

(3) Phosphorite

(4) Phosphoric Acid

Subtopic:  Mineral Function |
 71%
From NCERT
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