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1016. Why do we feel drowsy after a heavy meal ?
A. The biological clock is upset
B. The body muscles are fatigued
C. The hypothalamus produces melatonin to induce sleep
D. Brain receives less oxygen as blood rushes to supply oxygen and nutrition to the contracting stomach and intestines
Explanation:
1017. The saliva helps in the digestion of :
A. proteins
B. fats
C. fibres
D. starch
Explanation:
1018. After death, the : 1. arteries are usually empty of blood 2. blood in artieries clots3. veins are empty of blood4. veins are full of clots
A. 1 and 2
B. 1 only
C. 1 and 4
D. 3 only
Explanation:
1019. The human body is immune to which disease ?
A. jaundice
B. diabetes
C. small pox
D. tuberculosis
Explanation:
1020. For pasteurisation of milk by Flash method, milk is heated to a temperature of :
A. 10 degree C
B. 37 degree C
C. 72 degree C
D. 100 degree C
Explanation:
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