Q. No.
The beneficial elements are
(1) Required by higher plants
(2) Na,Si,Co,Se
(3) Other than 17 essential elements
(4) All of these
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
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 A and C
Phosphoenol pyruvate carboxylase needs which of the following ions for activation?
(1) Zn++
(2) Mg++
(3) Mn++
(4) Ca++
Alcohol Dehydrogenase needs which of the following ion for activation?
(1) Zn++
(2) Mo
(3) Cr
(4) Mg++
For the opening and closing of stomata which of the following ion is important?
(1) Ca++
(2) Mo
(3) Cr
(4) K+
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 |
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