1. [B] (iii) and (iv) Positively charged ions are called cations as they are deposited at negatively charged pole. Negatively charged ions are called anions as these are deposited at positively charged pole. That's why the negatively charged pole is called cathode and positively charged pole is calledRead more

    [B] (iii) and (iv)
    Positively charged ions are called cations as they are deposited at negatively charged pole. Negatively charged ions are called anions as these are deposited at positively charged pole. That’s why the negatively charged pole is called cathode and positively charged pole is called anode.

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  2. [D] Hydrochloric acid Remember, if a solution is basic in nature, to reverse the change acid should be added to it, the solution turns red litmus to blue. Hence, choose HCl from the given option [D] as an answer.

    [D] Hydrochloric acid
    Remember, if a solution is basic in nature, to reverse the change acid should be added to it, the solution turns red litmus to blue. Hence, choose HCl from the given option [D] as an answer.

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  3. [D] Lateral meristem acts as pro-meristem. Apical meristem acts as pro-meristem. Rest all statements are correct.

    [D] Lateral meristem acts as pro-meristem.
    Apical meristem acts as pro-meristem. Rest all statements are correct.

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