(A) Manganese
(B) Magnesium
(C) Gypsum
(D) Bauxite
Answer: (C) Gypsum
Q. Gypsum is a soft sulfate mineral composed of:
(A) Calcium Sulfate Dihydrate
(B) Sodium Sulfate Dihydrate
(C) Nitrogen Sulfate Dihydrate
(D) None of these
Answer: (A) Calcium Sulfate Dihydrate
Q. Which of the following non-metallic minerals found in Pakistan?
(A) Sphene
(B) Sulphur
(C) Emerald
(D) Ruby
Answer: (B) Sulphur
(A) Porous
(B) Hard
(C) Rough
(D) Brittle
Answer: (A) Porous
Q. The color of a sedimentary rock is often mostly determined by:
(A) Zinc
(B) Iron
(C) Calcium
(D) None of these
Answer: (B) Iron
Q. Thick sequences of red sedimentary rocks formed in arid climates are called:
(A) Red rocks
(B) Red sponge
(C) Red beds
(D) None of these
Answer: (C) Red beds
(A) Accelerate the neutrons
(B) Slow down the speed of the neutrons
(C) Increase the number of electrons
(D) Decrease the number of electrons
Answer: (B) Slow down the speed of the neutrons
Q. A nuclear reactor, formerly known as:
(A) atomic pile
(B) atomic ship
(C) atomic shaft
(D) None of these
Answer: (A) atomic pile
Q. A device used to initiate and control a self-sustained nuclear chain reaction is called:
(A) Nuclear reactor
(B) Nuclear generator
(C) Nuclear atom
(D) None of these
Answer: (A) Nuclear reactor
(A) Seasonal reversal of winds
(B) Revolution of earth
(C) Movement of the clouds
(D) Rise in temperature
Answer: (A) Seasonal reversal of winds
Q. The major monsoon systems of the world consists of West African and _______ monsoon.
(A) Asia Indian
(B) Asia Chines
(C) Asia Australian
(D) None of these
Answer: (C) Asia Australian
Q. A larger scale air mass that rotates around a strong center of low atmosphere pressure is a:
(A) Cyclone
(B) Hurricane
(C) Volcano
(D) None of these
Answer: (A) Cyclone
(A) Power
(B) Electric current
(C) Energy
(D) Time
Answer: (C) Energy
Q. Ampere is a unit of:
(A) Power
(B) Electric current
(C) Energy
(D) Time
Answer: (B) Electric current
Q. Candela is a unit of:
(A) Energy
(B) Power
(C) Amount of substance
(D) Luminous intensity
Answer: (D) Luminous intensity