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Earn 100

Rings of cartilage are present in
(a)oesophagus
(b)bile duct
(c)throat
(d)small intestine

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Important Questions on Respiration and Gas Exchange
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Answer the following:
How are alveoli designed to maximise the exchange of gases?

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The lung alveoli are covered with blood capillaries.

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Which of the following is known as the 'energy currency of cells' in biology-

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The figure given below is designed to show yeast respiration. In one of the tubes, there is yeast suspension in glucose solution. This solution was boiled before yeast was added to it. Which one of the following is the possible reason for boiling sugar solution?

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The wall of the trachea is supported by cartilage rings.

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