Biology MCQs | Pak MCQs Biology With Answer | Part 45

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441. What is the main purpose of white blood corpuscles?  

(a) To carry nutrients  

(b) To combat infection  

(c) To carry oxygen  

(d) To give strength  

The Answer is: (b) To combat infection  

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442. Total volume of blood in a normal human being is  

(a) 5-6 liters  

(b) 3-4 liters  

(c) 8-10 liters  

(d) 10-12 liters  

The Answer is: (a) 5-6 liters  

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443. Red blood corpuscles are formed in the  

(a) Liver  

(b) Bone marrow  

(c) Kidneys  

(d) Heart  

The Answer is: (b) Bone marrow  

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444. Blood does not coagulate inside the body due to the presence of  

(a) Haemoglobin  

(b) Heparin  

(c) Fibrin  

(d) Plasma  

The Answer is: (b) Heparin  

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445. The number of bones in the human body of an adult is approximately  

(a) 210  

(b) 250  

(c) 206  

(d) Not fixed  

The Answer is: (c) 206  

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446. Lungs are situated in the  

(a) Abdominal cavity  

(b) Pericardinal cavity  

(c) Buccal cavity  

(d) Thoracic cavity  

The Answer is: (d) Thoracic cavity  

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447. The pancreas secretes  

(a) Insulin  

(b) Vitamin A  

(c) Bile juice  

(d) None of these  

The Answer is: (a) Insulin  

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448. The seat of memory in the human brain is located in the  

(a) Medulla oblongata  

(b) Cerebrum  

(d) Cerebellum  

The Answer is: (b) Cerebrum  

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449. Tibia is a bone found in the  

(a) Skull  

(b) Arm  

(c) Leg  

(d) Face  

The Answer is: (c) Leg  

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450. The strongest muscle in the human body is found in  

(a) Hands  

(b) Buttocks  

(c) Neck  

(d) Legs  

The Answer is: (b) Buttocks  

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