Micronutrients are found in
(1) More than 10mmole per Kg of dry matter
(2) Less than 10mmole per Kg of dry matter
(3) Around 1mmole per Kg of dry matter
(4) Less than 1mmole per Kg of dry matter
The total essential elements for plant are
(1) 20
(2) 17
(3) 24
(4) 15
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++
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+