General Science MCQ Question Answer Set-7

|| General Science  Question Answer Set-7|| General Science MCQ  Set-7||

61. An element with an atomic number of ........... will form a basic oxide.

(a) 17

(b) 6

(c) 7

(d) 20

62. Involuntary action in human beings such as blood pressure, salivation and vomiting are controlled by the:

(a) Medulla

(b) Spinal cord

(c) Pons

(d) Hypothalamus

63. Which one of the following oxides of Nitrogen is also known as Laughing Gas?

(a) NO

(b) N₂O5

(c) NO2

(d) N₂O

64. This is NOT a use of a concave mirror :

(a) In Torches

(b) As shaving mirrors

(c) As rear view mirrors

(d) In headlights

65. An element hs an atomic weight of W and an atomic member of N. The number of protons in th nucleus of its atom is :

(a) N

(b) W

(c) W-N

(d) W+N

66. If two Coulomb of charge flows they cross-section of a conductor is one second, what will be the current flowing there?

(a) 1/2 Ampere

(b) 1/4 Ampere

(c) 2 Ampere

(d) 1 Ampere

67. The human body works within the pH range of:

(a) 7.0 to 7.8

(b)6.0 to 6.8

(c) 6.0 to 7.0

(d)7.0 to 8.6

68. The SI unit of electric current is :

(a) Microampere

(b) Ampere

(c) Volt

(d) Milliampere

69. The tenth element in the Newland's periodic classification resembles the

(a) Third

(b) Ninth

(c) Fourth

(d) First

70._______are the carriers of heredity material.

(a) Gametes

(b) Genes

(c) Genetics

(d) Germ cells

|| General Science  Question Answer Set-7|| General Science MCQ  Set-7||

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