51. An extremely small piece of silicon on which integrated circuits are fabricated is called
(A) Holerth Code
(B) Chip
(C) Card reader
(D) Feed
Check Answer52. The time taken by light to reach the earth is:
(A) 30 seconds
(B) 4 minutes 30 seconds
(C) 8 minutes 15 seconds
(D) 10 minutes 15 seconds
Check Answer53. The shape of our Milky Way galaxy is:
(A) Rectangular
(B) irregular
(C) Spiral
(D) Elliptic
Check Answer54. The coldest planet of solar system is:
(A) Venus
(B) Jupiter
(C) Earth
(D) Neptune
Check Answer55. Biman is an Airlines of:
(A) Bangladesh
(B) Sri Lanka
(C) India
(D) Afghanistan
Check Answer56. 38th prallel Line is a boundary line between:
(A) South and North Korea
(B) Myanmar and Thailand
(C) Tuband and Malaysia
(D) india and China
Check Answer57. Oxygen by volume has a presence in the atmosphere of about:
(A) 40%
(B) 21%
(C) 10%
(D) 30%
Check Answer58. The brightest planet in the solar system is:
(A) Mars
(B) Venus
(C) Satum
(D) Neptune
Check Answer59 The planet with shortest daytime is:
(A) Saturn
(B) Venus
(C) Earth
(D) Jupiter
Check Answer60. Insulin In human body is produced In:
(A) Pancreas
(B) Liver
(C) Kidney
(D) None of these
Check Answer