Question:
The picture below shows three different types of plants (marked as P-I, P-II and P-III) which flower on the basis of their critical photoperiod. Now identify these plants (P-I, II and III).
The picture below shows three different types of plants (marked as P-I, P-II and P-III) which flower on the basis of their critical photoperiod. Now identify these plants (P-I, II and III).
Updated On: Jul 7, 2022
- P-I = Long day plant; P-II = Short day plant; P-III = Day neutral plant
- P-I = Short day plant; P-II = Long day plant; P-III = Day neutral plant
- P-I = Short day plant; P-II = Short day plant; P-III = Day neutral plant
- P-I =Long day plant; P-II = Long day plant; P-III = Day neutral plant
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The Correct Option is B
Solution and Explanation
Answer (b) P-I = Short day plant; P-II = Long day plant; P-III = Day neutral plant
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Concepts Used:
Photoperiodism
Photoperiodism, the functional or behavioral response of an organism to changes of duration in daily, seasonal, or yearly cycles of light and darkness. Photoperiodic reactions can be reasonably predicted, but temperature, nutrition, and other environmental factors also modify an organism’s response. In animals, the regular activities of migration, reproduction, and the changing of coats or plumage can be induced out of season by artificially altering daylight. Birds, for example, have migrated north in the winter after having been exposed to reversed seasonal lighting in laboratories.