Which one of the following hormone induces flowering?
Options
(a) auxin (b) florigen (c) cytokinins (d) gibberelin
Correct Answer:
florigen
Explanation:
The chemical which induces flower formation has been named as florigen. By […]
Thigmotropic movement is best shown by
Options
(a) movement in roots (b) movement in tendrils (c) insectivorous plants (d) movement in Mimosa pudica
Correct Answer:
movement in tendrils
Explanation:
Thigmotropism is a directional […]
Prolonged deficiency of nicotinic acid causes
Options
(a) osteomalacia (b) pellagra (c) anaemia (d) xerophthalmia
Correct Answer:
pellagra
Explanation:
The nicotinic acid or niacin (vitamin B₃) is required for co-enzymes NAD and NADP […]
2017 Copyright Doctor Dreams Training Academy