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Nutition in Human beings

All 50 questions from this finished quiz, with the correct answer and explanation. Finished 25 Oct 2026, 7:20 pm IST.
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  1. 1. A person weighs 64 kg and is 1.6 m tall. What is the Body Mass Index (BMI)?

    A. 16

    B. 20

    C. 25

    D. 40

    Answer: C. 25

    Step-by-step solution

    1. 1BMI is weight (kg) divided by the square of height (m).
    2. 2BMI=64(1.6)2\text{BMI} = \frac{64}{(1.6)^2}
    3. 3(1.6)2=2.56(1.6)^2 = 2.56
    4. 4642.56=25\frac{64}{2.56} = 25

  2. 2. What is the main function of the large intestine in human digestion?

    A. Digestion of proteins

    B. Absorption of water and salts

    C. Secretion of bile

    D. Digestion of fats

    Answer: B. Absorption of water and salts

    Why: The large intestine absorbs the remaining water and salts from undigested food and forms faeces. Very little digestion occurs there.

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