Question

1. Organism get energy through *
1 अंक
A) food
B) eating
C) sleeping
D) none of these
2. Cellular respiration is carried out in the *
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A) cells
B) organs
C) tissues
D) muscles
3. An example of aerobes is *
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A) cat
B) dog
C) human being
D) all of these
4. Name the type of respiration which causes muscle cramps *
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A) aerobic respiration
B) anaerobic respiration
C) both (A) and (B)
D) none of these
5. Name the term which means 'taking in of air rich in oxygen into the body' *
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A) exhalation
B) inhalation
C) breathing
D) respiration
6. Which gas is given out during exhalation *
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A) oxygen
B) nitrogen
C) carbon dioxide
D) all of these
7. The gills help the fish to *
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A) take in oxygen from air
B) take in oxygen dissolved in water
C) absorb nutrients present in water
D) release waste substance in water
8. Yeast are used to make *
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A) curd
B) wine and bear
C) bakery items
D) both (B) and (C)
9. Earthworms breathe through *
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A) skin
B) legs
C) trachea
D) nose
10. In the cells , oxygen is used to break down glucose into *
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A) carbon dioxide, water and energy
B) fats
C) alcohol , carbon dioxide and energy
D) lactic acid, water and energy
11. The pumping organ of our circulatory system is *
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A) heart
B) artery
C) vein
D) all of these
12. What is the state of the blood? *
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A) solid
B) fluid
C) gas
D) none of these
13. The fluid part of the blood is known as *
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A) membrane
B) plasma
C) RBC
D) WBC
14. The red pigment present in the RBC of the blood is *
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A) haemoglobin
B) WBC
C) pulse
D) none of these
15 . The cells in the blood which help in clotting are *
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A) haemoglobin
B) platelets
C) red blood cells
D) white blood cells
16. The part of human body which lacks sweat gland is *
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A) scalp
B) armpits
C) lips
D) palms
17. Which blood vessel carries oxygen-rich blood? *
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A) arteries
B) veins
C) both (A) and (B)
D) none of these
18. The number of heart beats per minute is called *
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A) pulse rate
B) throbbing
C) beating
D) none of these
19. The heart is located in the *
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A) chest cavity
B) stomach
C) lungs
D) all of these

यह ज़रूरी सवाल है
20. Name an instrument / device used to amplify the sound of heart *
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A) stethoscope
B) uv machine
C) both(A) and (B)
D) ultrasound machine​

Answer 1

Answer:

1.a

2.d

3.a

4.c

5. b

6.b

7.

8.d

9.

10a.

11.c

12.b

13.

14.d

15.d

16.

17.a

18.

19.a

20.c

Answer 2

Answer:

1 B by eating

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