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Breathing and E...

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  • Question 1
    1 / -0

    Vital capacity of lungs is

  • Question 2
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    According to Boyle's law, the product of:.pressure and volume is a constant. Hence,

  • Question 3
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    After forceful inspiration, the amount of air that can be breathed out by maximum forced expiration is equal to:

  • Question 4
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    Lungs are enclosed in

  • Question 5
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    Consider the following statements each with one or two blanks.
    (i)    Left lung has ____(1)___ lobes and right lung has ___(2)___ lobes.
    (ii)   Prawn respires with _(3)_ and insects with ___(4)___.
    (iii) Amount of air inhaled and exhaled with maximum effort is referred to as the _(5)_ of the lungs.
    Fill up the above blanks by selecting the correct option.

  • Question 6
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    Besides RBC, blood plasma also carries $$O_{2}$$ in solution.The percentage is ___________.

  • Question 7
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    Which of the following statements is correct?

  • Question 8
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    In humans, which of the following is not a step in respiration?

  • Question 9
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    Read the given statements and select the correct option. 


    Statement 1: About 70% of $$CO_{2}$$ that enters RBCs changes into. $$HCO_3$$ for transport in plasma to the lungs where it reconverts into $$CO_{2}$$ for elimination.
    Statement 2: About 40% of $$CO_{2}$$ that enters RBCs changes into carbaminohaemoglobin which releases $$O_{2}$$ in the lungs.

  • Question 10
    1 / -0

    Which of the following factors is not favourable for the formation of oxyhaemoglobin?

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