Which of the following water is available to plants?
Options
(a) hygroscopic water (b) capillary water (c) both hygroscopic water & capillary water (d) gravitational water
Correct Answer:
capillary water
Explanation:
After gravitational […]
The most abundant naturally occurring plant hormone is
Options
(a) indole-3 acetic acid (b) ABA (c) cytokinin (d) IBA
Correct Answer:
indole-3 acetic acid
Explanation:
IAA brings about cell wall extension by activating […]
The formula of chlorophyll-a is
Options
(a) C₅₆H₇₀O₆N₄ Mg (b) C₅₅H₇₂O₆N₄ Mg (c) C₅₅H₇₂O₅N₄ Mg (d) C₅₂H₇₀O₅N₄ Mg
Correct Answer:
C₅₅H₇₂O₅N₄ Mg
Explanation:
Chlorophyll ‘a’ has molecular formula of C₅₅H₇₂O₅N₄ Mg . Its […]
Major function of respiration is
Options
(a) transfer of CO₂ (b) release of CO₂ (c) release of O₂ (d) anabolism
Correct Answer:
release of CO₂
Explanation:
Respiration is the process of burning the […]
Swan neck flask experiment was performed by
Options
(a) Louis Pasteur (b) Darwin (c) Oparin & Haldane (d) Aristotle
Correct Answer:
Louis Pasteur
Explanation:
No explanation available. Be the first to write the […]
Dual breed variety of cattle is
Options
(a) Brown Swiss (b) Aryshire (c) Jersey (d) Brown Swiss & Aryshire & Jersey
Correct Answer:
Aryshire
Explanation:
No explanation available. Be the first to write […]
During callus differentiation which of the cells divide?
Options
(a) parenchyma only (b) meristematic only (c) Both parenchyma only & meristematic only (d) no division
Correct Answer:
meristematic only
Explanation:
No explanation available. […]
Breathing is controlled by
Options
(a) lungs (b) hypothalamus (c) trachea (d) medulla obolongata
Correct Answer:
medulla obolongata
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
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