In India, the spread of Opuntia was controlled by
Options
(a) introducing insects (b) spraying D.D.T. (c) letting loose cattles (d) growing trees
Correct Answer:
introducing insects
Explanation:
The control of pests by biological […]
Excessive elongation of plant stem is due to
Options
(a) IAA (b) cytokinin (c) auxin (d) gibberellin
Correct Answer:
gibberellin
Explanation:
No explanation available. Be the first to write the explanation for this […]
Amniocentesis is a technique to
Options
(a) determine any disease in heart (b) determine any hereditary disease in the embryo (c) know about the disease of brain (d) grow cell on culture medium
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