Science, asked by vaijanti0, 2 months ago

Objective Assessment
Q. 1. Fill in the blanks by choosing the correct answer from the options given below.
1. The end product of respiration is
(a) carbon dioxide
(b) carbon dioxide, water
(c) carbon dioxide, water and energy
(d) energy and carbon dioxide
2. The process in which only exchange of gases takes place is called
(a) respiration
(b) breathing
(c) combustion (d) internal respiration
3. During exhalation, the ribs
(a) move downwards (b) move upwards (c) move outwards (d) remain fixed
4. Normal range of breathing rate per minute in an average adult person is
(a) 9-12
(b) 16-18
(c) 21-24
(d) 30-33
5. During heavy exercise muscular cramps occur due to the accumulation of
(a) carbon dioxide (b) lactic acid
(c) alcohol
(d) water
6. A frog breathes through the
(a) lungs
(b) mouth
(c) moist skin
(d) gills
on land.​

Answers

Answered by 10ayushranjan
2

Answer:

1. c

2. b

3. a

4. b

5. b

6. a

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