Nitrogenase needs which of the following ion for activation?
(1) Cr
(2) Mo
(3) W
(4) Sg
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor the opening and closing of stomata which of the following ion is important?
(1) Ca++
(2) Mo
(3) Cr
(4) K+
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAlcohol Dehydrogenase needs which of the following ion for activation?
(1) Zn++
(2) Mo
(3) Cr
(4) Mg++
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe criteria for essentiality of an element for a plant include all except:
1. It must be absolutely necessary for supporting normal growth and reproduction
2. The requirement must be specific and not replaceable by another element
3. It must be directly involved in the metabolism of the plant.
4. They must be present in the plants in a concentration in excess of 10 mmole/Kg of dry matter.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPhosphoenol pyruvate carboxylase needs which of the following ions for activation?
(1) Zn++
(2) Mg++
(3) Mn++
(4) Ca++
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following act as an activator for ribulose bisphoshate carboxylase oxygenase?
(1) Zn++
(2) Mg++
(3) Mn+
(4) Ca++
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe total essential elements for plant are
(1) 20
(2) 17
(3) 24
(4) 15
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe beneficial elements are
(1) Required by higher plants
(2) Na,Si,Co,Se
(3) Other than 17 essential elements
(4) All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology