Abscisic acid treatment results in
Options
(a) Leaf expansion (b) Stem elongation (c) Stomatal closure (d) Root elongation
Correct Answer:
Stomatal closure
Explanation:
ABA inhibits the H⁺ | K⁺ exchange and promotes the […]
A yellow substance oozing out from wound has
Options
(a) Lymph + RBC + WBC (b) Lymph + RBC + dead bacteria (c) Lymph + WBC + dead bacteria (d) Lymph + dead […]
A wave of action potential is termed as?
Options
(a) motor impulse (b) nerve impulse (c) activation impulse (d) sensory impulse
Correct Answer:
nerve impulse
Explanation:
The wave of action potential is termed […]
A typical fat molecule is made up of
Options
(a) Three glycerol molecules and one fatty acid molecule (b) One glycerol and three fatty acid molecules (c) One glycerol and one fatty acid […]
A trace element is an element which
Options
(a) Is a radioactive and can be traced by Geiger counter (b) Is required in very minute amounts (c) Draws other element out of protoplasm […]
A total root parasite is
Options
(a) Dendrophthose (b) Orobanche (c) Viscum (d) Santalum
Correct Answer:
Orobanche
Explanation:
Orobanche is a total root parasite found on mustard, cabbage,potato,tomato,brinjal, etc.Aerial shoots are brown […]
A thin film of water, held by the soil particles, under the influence of internal attractive forces, is called which of the following water?
Options
(a) capillary (b) combined (c) hygroscopic (d) gravitational
A terrestrial animal must be able to
Options
(a) Actively pump salts out through the skin (b) Excrete large amounts of salts in urine (c) Excrete large amounts of water in urine (d) […]
A temporary endocrine gland in the human body is
Options
(a) Corpus allatum (b) Pineal gland (c) Corpus cardiacum (d) Corpus luteum
Correct Answer:
Anterior pituitary gland and stimulates secretion of LH and […]
A small protein attached to the outer surface of the inner membrane and which acts as a moblie carrier for transfer of electrons between complex III and IV is
Options
(a) Cytochrome d […]
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