MCQ's About "Respiration and Energy From Food".

RESPIRATION AND ENERGY FROM FOOD

Question 1
What is respiration?
(A)  breathing in  (B)  breathing out
(C)  a chemical reaction that produces energy  (D)  a plant’s way of making food

Question 2
Respiration occurs in the:
(A)  nasal cavity  (B)  lungs  (C)  red blood cells  (D)  cells of the body

Question 3
Which of the following word equations best summarizes tissue respiration?
(A)  glucose + energy ----> carbon dioxide + water
(B)  glucose + water + oxygen --->  carbon dioxide + energy
(C)  glucose + oxygen  --->  carbon dioxide + water + energy
(D)  carbon dioxide + water + energy  ---> glucose + oxygen

Question 4
Roughly what percentage of the air we breathe out is carbon dioxide?
(A)  4 per cent  (B)  17 per cent  (C)  78 per cent  (D)  100 per cent

Question 5
The gas which passes into and out of the lungs unchanged is:
(A)  oxygen  (B)  nitrogen  (C)  carbon dioxide  (D)  water vapour

Question 6
When the muscles of the diaphragm relax:
(A)  air rushes into the lungs  (B)  the volume of the thorax increases
(C)  the pressure in the thorax increases  (D)  the diaphragm is lowered

Question 7
When you breathe in your ribs move:
(A)  down and in  (B)  up and out  (C)  up and in  (D)  down and out

Question 8
The body needs to use anaerobic respiration during:
(A)  exercise  (B)  illness  (C)  sleep  (D)  walking

Question 9
Which of the following diseases is likely to be increased by air pollution?
(A)  arthritis  (B)  influenza  (C)  deafness  (D)  bronchitis

Question 10
In the body, which of these structures is immediately below the diaphragm?
(A)  trachea  (B)  lungs  (C)  bladder  (D)  liver
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Answers:
Question 1 (C)  Question 2 (D)  Question 3 (C)  Question 4 (A)  Question 5 (B)
Question 6(C)  Question 7 (B)  Question 8 (A)  Question 9 (D)  Question 10 (D)