Practice Questions set 2 - general science mcq Online Quiz (set-1) For All Competitive Exams

Q-1)   The load verses elongation graph for four wires is shown. The thinnest wire is

(a) b

(b) a

(c) c

(d) d

Q-2)   At which temperature density of water is maximum?

(a) 0°C

(b) – 4°C

(c) 4°C

(d) – 8°C

Q-3)   The density of water will reach its maximum value at the temperature of

(a) 4°C

(b) 50°C

(c) 0°C

(d) 100°C

Q-4)   While floating in a sea what part of an iceberg is above the surface of the sea?

(a) 1/10

(b) 1/6

(c) 1/9

(d) 1/4

Q-5)   Which of the following materials is most elastic ?

(a) Lead

(b) Rubber

(c) Wood

(d) Steel

Q-6)   200 gm of water is filled in a weightless balloon. Its weight in water will be

(a) 100 gm

(b) 200 gm

(c) Zero

(d) 400 gm

Q-7)   Increasing the amount of a substance does not change its

(a) Weight

(b) Mass

(c) Volume

(d) Density

Q-8)   The most important property of nanomaterial is

(a) Friction

(b) Pressure

(c) Force

(d) Temperature

Q-9)   The tendency of a liquid drop to contract and occupy minimum area is due to

(a) Viscosity

(b) Density

(c) Surface tension

(d) Vapour pressure

Q-10)   With the rise of temperature, the viscosity of liquid

(a) Decreases

(b) Remains unchanged

(c) Increases

(d) May increase or decrease depending on nature of liquid