191. A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to_______?
A: Spread out his weight and reduce the pressure on the rope
B: Prop him up if he falls
C: Add extra weight to keep the rope tightly stretched
D: To keep the centre of gravity always vertically above the rope
192. Which of the following is a function of Vitamin A in the body?
A: Immune defenses, maintenance of body linings and skin
B: Vision, bone and body growth
C: Normal cell development and reproduction
D: All of the above
193. The amount of energy required by children of age between one to three years is______?
A: 600 k Calories
B: 300 k Calories
C: 900 k Calories
D: 1200 k Calories
194. How many latitude lines are there?
A: 180
B: 90
C: 270
D: 360
195. The post-mortem examination of a body is called _?
A: Autopsy
B: Etymology
C: Anatomy
D: None of these
196. The brain of a human adult weighs about____?
A: 1600 – 2000 gm
B: 1200 – 1300 gm
C: 500 – 800 gm
D: 100 – 200 gm
197. The famous book; Al – Qanun was written by the Muslim scientist?
A: Zakariya Al – Razi
B: Jabar bin Hayyan
C: Abu Ali Sina
D: Abdul Qasim Majreeti
198. Which of the following is not a water-soluble vitamin?
A: Pyridoxine
B: Tocopherol
C: Pantothenic acid
D: Niacin
199. Which branch of Physics deals with the internal structure of the earth?
A: Geophysics
B: Biophysics
C: Plasma physics
D: Atomic physics
200. Coulomb is the scientific unit to measure?
A: Temperature
B: Velocity
C: Mass
D: None OF These
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