1. [D] 2.0 x 10⁸ m/s v = c/µ = 3 x 10⁸/1.5 = 2.0 x 10⁸ m/s. Here, correct option will be [D].

    [D] 2.0 x 10⁸ m/s
    v = c/µ = 3 x 10⁸/1.5 = 2.0 x 10⁸ m/s.
    Here, correct option will be [D].

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  2. [A] red blood corpuscles Lymph does not contain RBC and platelets, but it is rich in lymphocyte or WBC count.

    [A] red blood corpuscles
    Lymph does not contain RBC and platelets, but it is rich in lymphocyte or WBC count.

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  3. [B] alveoli of lungs As we know that exchange of inhaled air occurs initially in the alveoli of lungs.

    [B] alveoli of lungs
    As we know that exchange of inhaled air occurs initially in the alveoli of lungs.

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