The normal temperature of human body is
(A) 37°C
(B) 37°F
(C) 104°F
(D) 36.8°C
The ozone layer in the atmosphere is at a height of about
(A) 25 km
(B) 50 km
(C) 100 km
(D) 200 km
The ozone layer absorbs
(A) infrared radiation
(B) microwaves
(C) radio wave
(D) ultraviolet rays
Petroleum is found-
(A) On the surface of the earth
(B) In the atmosphere
(C) In arctic ocean
(D) Deep under the surface of the earth
The metal always found in free state is__
(A) Gold
(B) Sodium
(C) Silver
(D) copper
The chemical name of baking soda is
(A) Sodium carbonate
(B) Sodium bicarbonate
(C) Sodium chloride
(D) Sodium nitrate
Ethanol containing 5% water is known as-
(A) Absolute alcohol
(B) Dilute alcohol
(C) Power alcohol
(D) Rectified spirit
Which proteins is main constituent of milk?
(A) Casein
(B) Insulin
(C) Myosine
(D) Keratin
Rickets is caused due to the deficiency of-
(A) Vitamin A
(B) Vitamin B
(C) Vitamin C
(D) Vitamin D
Wine contains-
(A)
(B)
(C)
(D) Glucose
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