New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    Which seed treatment method involves dry seeds being

    placed in containers and covered with concentrated Sulphuric acid (H2SO4) or HCl in the ratio of one part of seed to two parts of acid? 
    A Cold stratification Correct Answer Incorrect Answer
    B Warm stratification Correct Answer Incorrect Answer
    C Acid scarification Correct Answer Incorrect Answer
    D Mechanical scarification Correct Answer Incorrect Answer
    E Dry heat treatment Correct Answer Incorrect Answer

    Solution

    • Acid scarification: Dry seeds are placed in containers and covered with  concentrated Sulphuric acid (H2SO4) or HCl in the ratio of one part of seed to two parts of acid.  • The amount of seed treated at any time should be restricted to not more than 10kg  to avoid uncontrollable heating.

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