7th Class General Science Chapter 2 MCQ Test With Answer for Science chapter 2

MCQ's Test For Chapter 2 "General Science 7th Class English Medium Chapter 2 Online Test"

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General Science 7th Class English Medium Chapter 2 Online Test

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Question # 1

Right atrium receives.

Question # 2

Exchange of material in the body tissues and blood takkes place in.

Question # 3

Which gas reacts with food to convert it into carbon dioxide and water.

Question # 4

Which of the following plays an important role in blood clotting.

Question # 5

The concentration of water in plasma is.

Question # 6

Blood vessels that carry blood away from the heart are

Question # 7

The humna circulatory system is consist of

Question # 8

The average life span of RBCs is.

Question # 9

Which blood cells protect our body from pathogens.

Question # 10

Products of anaerobc respiration in yeasts are .......... along with energy.

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2nd Chapter

7th General Science English Medium Chapter 2 Test

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7th General Science (English Medium) Chapter 2 Important MCQ's

Sr.# Question Answer
1 The pulse tells us the rate of..........
A. Breathing
B. Heart beat
C. Both a and b
D. None of these
2 The ... prevents food from entering the trachea.
A. Glottis
B. Epiglottis
C. Bronchi
D. Alveoli
3 Aerobic respiation takes place in.
A. Mitochondria
B. Chloroplast
C. Nucleus
D. Blood vessels
4 The opening of air passage in the laryanx is called.
A. Trachea
B. Bronchi
C. Glottis
D. Alveoli
5 One gram of glucose produce abut.............. calories of energy .
A. 3600
B. 3700
C. 3800
D. 3900
6 Without fibringonen, plasma is called.
A. Blood
B. Serum
C. Haemoglobin
D. None of these
7 Blood vessels that carry blood away from the heart are
A. Capillaries
B. Veins
C. Arteries
D. Vanules
8 Which gas reacts with food to convert it into carbon dioxide and water.
A. Oxygen
B. Nitrogen
C. Phosphorus
D. Argon
9 A substance that speed up the chemical reactions is called.
A. Solute
B. Solvent
C. Solution
D. Catalyst
10 Which of the following plays an important role in blood clotting.
A. Red blood cells
B. White blood cell
C. Platelets
D. Bone cells

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