Question

9
Enzymes are involved in:
a) breathing
b) cellular respiration
c) both a and be
d) none of the above
10)which products are produced during the fermentation ?
a) Methyl alcohol and carbon dioxide
b)Ethyl alcohol and carbon dioxide
c) Ethyl alcohol and oxygen
d) Methyl alcohol and water
11The main respiratory organ in human beings is :
a) lung
b) heart
c) liver
d) stomach
12. Breathing is process of:
a) inhaling oxygen
b) exhaling carbon dioxide
c) inhaling oxygen and exhaling carbon dioxide d) decomposition of glucose
13. The raw material for the cellular respiration is :
b) glucose
C) sugar
d) all of these
14. Glucose is oxidised to ethyl alcohol during the process of :
a) respiration
b) aerobic respiration c) anaerobic respiration d) photosynthesis
15. In which of the following activity, the breathing rate is highest.
b) Walking
a) Reading
d) Running
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Answer 1

Answer:

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