NEET Biology question
Consider the following statements regarding **bolting** in rosette plants: I. It is caused by high concentrations of abscisic acid. II. It involves rapid internode elongation just prior to flowering. III. It is promoted by gibberellins in beet, cabbages, and many plants with rosette habit. IV. It inhibits seed germination and induces dormancy. Which of the statements given above are correct?
Solution
Per NCERT Class 11 (Section 15.4.3.2), **gibberellins** promote **bolting** — defined as **internode elongation just prior to flowering (II)** — in **beet, cabbages and many plants with a rosette habit (III)**. Hence statements II and III are correct, matching option (c). As printed, this entry repeats the stem of Q23
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