Which of the following is Macronutrient?
(1) B
(2) Cl
(3) Ni
(4) Mg
The Micronutrients can be
(1) Mo
(2) Mg
(3) H
(4) C
The total essential elements for plant are
(1) 20
(2) 17
(3) 24
(4) 15
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) Cl
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++
Nitrogenase needs which of the following ion for activation?
(1) Cr
(2) Mo
(3) W
(4) Sg