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General Science - Questions and Answers

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1656. Clotting of blood vessels is called
A. Thrombosis
B. Rheumatism
C. Agglutinisation
D. Fibrosis
Explanation:
1657. How many teeth are known as milk teeth in human beings ?
A. 4
B. 12
C. 20
D. 28
Explanation:
1658. Which of the following forms an irreversible complex with haemoglobin of blood ?
A. Carbon monoxide
B. Carbon dioxide
C. Pure nitrogen gas
D. A mixtrue of carbon dioxide and helium
Explanation:
1659. Element that is not found in blood is
A. iron
B. copper
C. chromium
D. magnesium
Explanation:
1660. Which of the following is produced during allergic reactions ?
A. Heparin
B. Histamine
C. Seratonin
D. Selastamine
Explanation: