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Q. No.Alcohol Dehydrogenase needs which of the following ion for activation?
(1) Zn++
(2) Mo
(3) Cr
(4) Mg++
(1) Zn++
(2) Mo
(3) Cr
(4) Mg++
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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 & BiologyNitrogen
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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyNitrogen is mainly absorbed as
(1) Nitrite
(2) Nitrate
(3) Ammonium
(4) All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following form is absorbed for the requirement of Phosphorus?
(1) Dihydrogen Phosphate, Hydrogen phosphate
(2) Phosphoric Acid
(3) Phosphorite
(4) Phosphoric Acid
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPhosphorus is not a component of
(1) Cell membrane
(2) Certain Proteins
(3) Nucleosides
(4) Nucleotides
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following ion is required more in meristematic tissues, buds, leaves and root tips?
(1) K+
(2) Cl-
(3) P
(4) N
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is not associated with potassium ions?
(1) Maintain anion-cation balance in cells
(2) Involved in protein synthesis
(3) Involved in opening and closing of stomata and activation of enzyme
(4) Maintenance of the turgidity of the cells and all phosphorespiration reactions
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCalcium is required by
Find the incorrect one.
(1) Meristematic and Differentiating tissues
(2) Used in synthesis of Cell membrane as calcium pectate in the middle lamella
(3) It accumulates in older leaves
(4) It is needed during the formation of mitotic spindle
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyI. Regulation of metabolic activities
II. Activation of certain enzymes
III. Involved in normal functioning of the cell wall and required for the formation of mitotic spindle.
Which of the following ion is best suitable for it?
(1) Ca++
(2) K+
(3) Zn++
(4) Cl-
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