Phototrophic movement is caused due to
Options
(a) wind effect (b) heat effect (c) light effect (d) hormone effect
Correct Answer:
light effect
Explanation:
No explanation available. Be the first to write the […]
The hormone, which caused stunted growth in pea is
Options
(a) ethylene (b) auxin (c) cytokinin (d) abscisic acid
Correct Answer:
ethylene
Explanation:
No explanation available. Be the first to write the explanation […]
Growth of pollen tube towards embryo sac is
Options
(a) chemotaxis (b) geotropism (c) thigmotaxis (d) all of these
Correct Answer:
chemotaxis
Explanation:
No explanation available. Be the first to write the explanation […]
One of the synthetic auxin is:
Options
(a) IAA (b) GA (c) IBA (d) NAA
Correct Answer:
NAA
Explanation:
NAA is a synthetic auxins. Some of the most widely used weed killers are synthetic […]
Vernalization stimulates flowering in
Options
(a) zamikand (b) turmeric (c) carrot (d) ginger
Correct Answer:
carrot
Explanation:
Carrot is a biennial plant which flowers in the second season. Vernalization is the subjection of seeds […]
During seed germination its stored food is mobilized
Options
(a) Cytokinin (b) ABA (c) Gibberellin (d) Ethylene
Correct Answer:
Gibberellin
Explanation:
Gibberellins stimulate the synthesis of α-amylase and proteases enzyme in germinating grains of […]
Phototropic curvature is the result of uneven distribution of:
Options
(a) gibberellin (b) Phytochrome (c) cytokinins (d) auxin
Correct Answer:
auxin
Explanation:
Phototrophic curvature is the result of uneven distribution of auxin. The experiments […]
Which one of the following acids is a derivative of carotenoids?
Options
(a) Indole 3-acetic acid (b) Gibberellic acid (c) Abscisic acid (d) indole butyric acid
Correct Answer:
Abscisic acid
Explanation:
Abscisic acid (ABA), […]
In germinating seeds fatty acids are degraded exclusively in the
Options
(a) proplastids (b) glyoxysomes (c) peroxisomes (d) mitochondria
Correct Answer:
glyoxysomes
Explanation:
In germinating seeds, fatty acids are degraded exclusively in the glyoxysomes. […]
Coiling of garden pea tendrils around any support is an example of:
Options
(a) thigmotaxis (b) thigmonasty (c) thigmotropism (d) thermotaxis
Correct Answer:
thigmotropism
Explanation:
The coiling of garden pea tendrils around any support […]
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