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Online Tests
Science 7th Class Urdu Medium Chapter 2 Online Test MCQs With Answers
Question # 1
The concentration of water in plasma is.
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55%
45%
92%
95%
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Question # 2
A substance that speed up the chemical reactions is called.
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Solute
Solvent
Solution
Catalyst
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Question # 3
One gram of glucose produce abut.............. calories of energy .
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3600
3700
3800
3900
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Question # 4
The opening of air passage in the laryanx is called.
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Trachea
Bronchi
Glottis
Alveoli
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Question # 5
Right atrium receives.
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Oxgynated blood
Deoxygenated blood
BOth types of blood
no blood
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Question # 6
Which artery supply blood to the heart
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Pulmonary artery
Hepatic artery
Coronary Artery
Aorta
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Question # 7
Without fibringonen, plasma is called.
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Blood
Serum
Haemoglobin
None of these
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Question # 8
Exchange of material in the body tissues and blood takkes place in.
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Aorta
Ventricles
Capillaries
Veins
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Question # 9
The pulse tells us the rate of..........
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Breathing
Heart beat
Both a and b
None of these
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Question # 10
Which blood vessesl have valves in it.
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Capillaries
Artery
Vein
Arteriole
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Question # 11
Which blood cells protect our body from pathogens.
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Platelets
RCBs
WBCs
None of these
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Question # 12
Products of anaerobc respiration in yeasts are .......... along with energy.
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Carbon dioxide and water
Ethanol and carbon dioxide
Oxygen and water
Lactic acid and water
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Question # 13
The ... prevents food from entering the trachea.
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Glottis
Epiglottis
Bronchi
Alveoli
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Question # 14
Trachea divides into two
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Bronchi
Veins
Villi
Ribs
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Question # 15
Blood vessels that carry blood away from the heart are
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Capillaries
Veins
Arteries
Vanules
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