Biology MCQs | Pak MCQs Biology With Answer | Part 46

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451. The main function of the kidney is  

(a) To control blood pressure  

(b) To control body temperature  

(c) To remove waste products from the body  

(d) To help in digestion of food  

The Answer is: (c) To remove waste products from the body  

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452. A gene is a  

(a) Sleep-inducing drug  

(b) Unit of heredity  

(c) A kind of vitamin  

(d) A type of body cell  

The Answer is: (b) Unit of heredity  

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453. The function of haemoglobin is  

(a) To transport oxygen  

(b) Destruction of bacteria  

(c) Prevention of anaemia  

(d) Utilization of energy  

The Answer is: (a) To transport oxygen  

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454. A vegetable containing sulphur is  

(a) Potato  

(b) Cabbage  

(c) Brinjal  

(d) Pumpkin  

The Answer is: (b) Cabbage  

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455. Enzymes help in  

(a) Respiration  

(b) Digestion of food  

(c) Immune system  

(d) Reproduction  

The Answer is: (b) Digestion of food  

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456. Ptyalin is an enzyme produced in the  

(a) Salivary glands  

(b) Pituitary glands  

(c) Thyroid glands  

(d) Pancreas  

The Answer is: (a) Salivary glands  

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457. Heightened emotion is caused by  

(a) Pituitary glands  

(b) Thyroid glands  

(c) Adrenal glands  

(d) Salivary glands  

The Answer is: (c) Adrenal glands  

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458. The shortest bone in the human body is  

(a) Vertebrae  

(b) Stapes  

(c) Phalanges  

(d) Metacarpals  

The Answer is: (b) Stapes  

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459. A balanced diet contains  

(a) Animal protein  

(b) Macro and micro nutrients  

(c) Food nutrients for growth and maintenance  

(d) Butter and ghee  

The Answer is: (b) Macro and micro nutrients  

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460. Wisdom teeth normally grow between the age of  

(a) 34-40  

(b) 17-30  

(c) 45-55  

(d) 10-17  

The Answer is: (b) 17-30  

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