Match the following and select the correct answer: (a) Centriole (i) lnfoldings in mitochondria (b) Chlorophyll (ii) Thylakoids (c) Cristae (iii) Nucleic acids (d) Ribozymes iv) Basal body cilia or flagella
Options
(a) […]
Dr F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly- cut coleoptile stumps. Of what […]
Auxin can be bioassayed by :
Options
(a) Hydroponics (b) Potometer (c) Lettuce hypocotyl elongation (d) Avenacoleoptile curvature
Correct Answer:
Avenacoleoptile curvature
Explanation:
Avena coleptile curvature is used for the bioassay of auxin.
A few normal seedling of tomato were kept in a dark room. After few days they were found to have become white- coloured like albions, Which of the following terms will you use to describe […]
A pigment which absorbs red and far red(infrared) light is
Options
(a) phytochrome (b) carotene (c) cytochrome (d) xanthophyll
Correct Answer:
phytochrome
Explanation:
No explanation available. Be the first to write the explanation […]
Beta vulgar is a
Options
(a) short day plant (b) long day plant (c) day neutral plant (d) intermediate plant
Correct Answer:
long day plant
Explanation:
No explanation available. Be the first to […]
Etiolation in plants is caused when
Options
(a) they are grown in dark (b) they have mineral deficiency (c) they are grown in intense light (d) they are grown in blue light
Correct […]
Geotropic response is perceived by
Options
(a) root tip (b) root hairs (c) elongating cells (d) mature root cells
Correct Answer:
root tip
Explanation:
No explanation available. Be the first to write the […]
A physiological response to the duration of light and darkness is a
Options
(a) daily phase cycle (b) circadian rhythm (c) biological clock (d) photoperiodism
Correct Answer:
photoperiodism
Explanation:
No explanation available. Be […]
Auxin is synthesized in which part of the plant?
Options
(a) apical (b) nodal (c) internodal (d) axillary
Correct Answer:
apical
Explanation:
No explanation available. Be the first to write the explanation for […]
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