All the cytokinins are
All the cytokinins are Options (a) Acidic (b) Aminopurines (c) Phenol (d) Glucosides Correct Answer: Aminopurines Explanation: Gibberellic acid is…
4 years ago
Plant Growth and Development
In which of the following respect the plant hormones differ from enzymes
In which of the following respect, the plant hormones differ from enzymes Options (a) Required in less quantity (b) They…
4 years ago
Distribution of growth in a root by marking it at equal intervals with Indian
Distribution of growth in a root by marking it at equal intervals with Indian ink was originally studied by Options…
5 years ago
In lag phase the growth is
In lag phase, the growth is Options (a) Slowest (b) Fastest (c) Intermediate (d) No growth at all Correct Answer:…
5 years ago
If a tree flowers thrice in a year October January and July in Northern India
If a tree flowers thrice in a year (October, January and July) in Northern India, it is said to be…
5 years ago
IAA and serotonin are derived formed from which of the following
IAA and serotonin are derived (formed) from which of the following Options (a) Tryptophan (b) Tyrosine (c) Phenylalanine (d) None…
5 years ago
Growth is
Growth is Options (a) Unidirectional backward (b) Reversible (c) Unidirectional forward (d) None of the above Correct Answer: Unidirectional forwardExplanation:Because…
5 years ago
Gibberellins were first discovered in fungal genus
Gibberellins were first discovered in fungal genus Options (a) Mucor (b) Rhizopus (c) Agaricus (d) Fusarium Correct Answer: FusariumExplanation:GA Ist…
5 years ago
Fruit and leaf drop at early stages can be prevented by the application of
Fruit and leaf drop at early stages can be prevented by the application of Options (a) Gibberellic acid (b) Cytokinins…
5 years ago
For germination of seed which light is necessary
For germination of seed, which light is necessary Options (a) Red light (b) Green light (c) Far-red light (d) Blue…
5 years ago