FPSC Assistant Director Intelligence Bureau 2013 Past Paper

41) Light from the Sun takes _______ minutes to reach the Earth.
(A) 6
(B) 7
(C) 8
(D) 9

42) ________ are also called magnifying glass.
(A) Convex lens
(B) Concave lens
(C) Diverging lens
(D) Spherical mirrors

43) About _____ of plasma is water.
(A) 70%
(B) 50%
(C) 90%
(D) 30%

44) Deficiency of Vitamin C results in:
(A) night blindness
(B) rickets
(C) scurvy
(D) hair fall

45) People living in high altitudes (like mountains) usually have a:
(A) smaller number of Red Blood Cells
(B) larger number of Red Blood Cells
(C) smaller number of White Blood Cells
(D) larger number of White Blood Cells

46) The Earth's axis is titled by:
(A) 21°
(B) 21.5°
(C) 23°
(D) 23.5°

47) The average internal temperature of human body is:
(A) 35°C
(B) 36°C
(C) 37°C
(D) 38°C

48) The average adult has a blood volume of about ________ liters.
(A) 5
(B) 5.5
(C) 6
(D) 6.5

49) German silver is an alloy of:
(A) Aluminum, Copper, Magnesium
(B) Aluminum, Copper
(C) Copper, Nickel, Zinc
(D) Copper, Nickel

50) Reduction is a:
(A) gain of oxygen
(B) loss of hydrogen
(C) loss of electron
(D) gain of hydrogen