NEET Biology Respiration In Plants Question Bank Critical Thinking

  • question_answer
    Rubbing effect on leaf causes

    A) Increased respiration

    B) Decreased respiration

    C) No effect

    D) Respiration stops

    Correct Answer: A

    Solution :

    A bending or rubbing of the blade was sufficient to induce a marked rise in the respiration rate of 20-183% which persisted for several days. If the treatment is repeated at intervals the stimulus gradually loses its effect in increasing the rate of respiration.


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