UPTET Feb 2014, q98
0. In the absence of light, what will increase?
- Option : B
- Explanation : Etiolation is a process in flowering plants grown in partial or complete absence of light. It includes elongation of stems and leaves, weakening of cell walls in stems and leaves, longer internodes hence fewer leaves per unit length of stem, and chlorosis i.e. a pale yellowish white colour.
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