NEET Sample Paper NEET Sample Test Paper-14

  • question_answer 152) 'Foolish seedling' the disease of rice led to the discovery of

    A)  ABA               

    B)  2, 4-D

    C)  IAA                            

    D)  GA

    Correct Answer: D

    Solution :

    The effect of gibberellins had been known in Japan since early 1800 where certain rice plants were found to suffer from bakane or bakanae (foolish seedling) disease. Such rice plants were thin, pale green, spindle shaped and longer by 50 per cent than the healthy plants and were sterile.

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