Science Quiz - Question & Answers Set - 10

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Home Practice Tests Science Practice Tests Science Quiz - Question & Answers Set - 10

15 Questions

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Science Quiz - Question & Answers Set - 10

Question 1 :
What happens if water is cooled from 8 °c to 0 °c?
AIts volume decreases uniformly,becoming minimum at 0├é┬░c
BIts volume increases uniformly,becoming maximum at 0├é┬░c
CIts volume decreases upto 4├é┬░c and then increases

DIts volume increases upto 4├é┬░c and then decreases

Question 2 :
The absorption of ink by blotting paper involves
AViscosity of ink
BCapillary action

CDiffusion of ink through the blotting
DSiphon action

Question 3 :
A fresh egg sinks in pure water but floats in salt water. This is because
ASaline water is denser than pure water

BSaline water is lighter than pure water
Cthe viscosity of saline water is higher than that of pure water
Dnone of these

Question 4 :
When a ship enters a sea from river:
AIt rises a little

Bit sinks a little
Cit remains at the same level
Dit rises or sinks depending on the material it is made up of

Question 5 :
Oil spreads over the surface of water because
Aoil is more dense than water
Boil is less dense than water
Coil has more surface tension than water
Doil has less surface tension than water

Question 6 :
Materials for rain proof coats and tents owe their water proof properties due to:
Asurface tension

Bviscosity
Cspecific gravity
Delasticity

Question 7 :
A thin film of liquid is enclosed between two glass plates. It is difficult to separate the plates on account of
Aviscosity
Bfriction
Csurface tension

Datmospheric pressure

Question 8 :
Property of a liquid by which it can oppose relative motion between its different layers is known as
Asurface tension
Bviscosity

Cosmosis
Ddiffussion

Question 9 :
When a camel hair brush is dipped in water, its hairs get seperated but when it is removed from water the hairs are found to be drawn together. This is because:
AViscosity
Bsurface tension

Cosmosis
Delasticity

Question 10 :
An ordinary clock loses time during summer because the length of the pendulum:
Aincreases and therefoe the time period increases

Bincreases and therefore the time period decreases
Cdecreases and therefore the time period increases
Ddecreases and therefore the time period decreases

Question 11 :
Which one of the following branches of biology deals with the study of fossils?
Apalaeontology

BHerpetology
CEntomology
DOrnithology

Question 12 :
Bilogy is the study of
Aman
Bplant
Cmicrobes
Dall of these

Question 13 :
The term 'Biology' is coined by
AAristotle
BLamarck

CWallace
DNone of these

Question 14 :
Which of the following element is a non-metal?
AStrontium
BCobalt
CNickel
DBromine

Question 15 :
Which among the following substances is an essential ingredient in a saline solution?
ASalicylic acid
BHydrochloric Acid
CAmmonium chloride
DSodium chloride

Model Question Papers