Which of the following is not kept in beneficial elements?
(1) Na
(2) Si
(3) Co
(4) K
Which of the following is a beneficial element?
(1) Se
(2) Fe
(3) B
(4) Cl2
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 1 and 2
Which of the following act as an activator for ribulose bisphoshate carboxylase oxygenase?
1. Zn++
2. Mg++
3. Mn+
4. Ca++1
Phosphoenol pyruvate carboxylase needs which of the following ions for activation?
1. Zn++
2. Mg++
3. Mn++
4. Ca++
Nitrogenase needs which of the following ion for activation?
1. Cr
2. Mo
3. W
4. Sg
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+