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Earn 100

Rings of cartilage are present in

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Important Questions on Respiration and Gas Exchange

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Olfactory receptors are located in our:
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Hiccups in humans generally occur due to the forceful downward shifting of the _____.
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Because of lack of oxygen in muscle cells, 3 carbon molecule pyruvate is converted into :
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Answer the following:

How are alveoli designed to maximise the exchange of gases?

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Exchange of gases in human occurs in –
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Rings of _____ are present in the throat to ensure that the air passage does not collapse.
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ATP is formed by photosynthesising plant cell by:
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Explain various parts of upper respiratory system.
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Draw a neat diagram of the respiratory organ in humans and label the bronchus and alveolus.
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Kreb's cycle found in which part of cell? (Hint: It is an organelle)
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Give reason for the following:
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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Cell organelles essential for photorespiration is
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The correct sequence of anaerobic respiration in yeast is:
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Which of the following reactions takes place during break down of molecules in the respiration in our body?
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Tracheal ring in human consist of following
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Give reason for the following:
The wall of the trachea is supported by cartilage rings.
HARD
Draw a diagram of human respiratory system and label- pharynx, trachea, lungs, diaphragm and alveolar sac on it.