Matter UPSC Questions

Physics

Matter MCQ Questions


1.
The quality of matter present in an object is called
A.
Weight
B.
Gram
C.
Mass
D.
Density
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ANSWER :
C. Mass
2.
There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why?
1. They can accumulate in the environment, and contaminate water and soil.
2. They can enter the food chains.
3. They can trigger the production of free radicals.
Select the correct answer using the code given below.
UPSC - 2014
A.
1 and 2 only
B.
3 only
C.
1 and 3 only
D.
1, 2 and 3
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ANSWER :
D. 1, 2 and 3
3.
In the context of modern scientific research, consider the following statements about 'IceCube', a particle detector located at South Pole, Which was recently in the news:
1. It is the world's largest neutrino detector, encompassing a cubic kilometer of ice.
2. It is a powerful telescope to search for dark matter.
3. It is buried deep in the ice.
Which of the statements given above is/are correct?
UPSC - 2015
A.
1 only
B.
2 and 3 only
C.
1 and 3 only
D.
1, 2 and 3
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ANSWER :
D. 1, 2 and 3
4.
The SI unit of amount of substance is
A.
Mole
B.
Meter
C.
Ampere
D.
Joule
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ANSWER :
A. Mole
5.
CO2 can be easily liquified and even solidified because
A.
It is present in atmosphere
B.
It has more intermolecular space
C.
It has comparatively more force of attraction than other gases
D.
 It has weak forces of attraction
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ANSWER :
C. It has comparatively more force of attraction than other gases
6.
The terms 'Agreement on Agriculture', 'Agreement on the Application of Sanitary and Phytosanitary Measures' and 'Peace Clause' appear in the news frequently in the context of the affairs of the
UPSC - 2015
A.
Food and Agriculture Organization
B.
United Nations Framewok Conference on Climate Change
C.
World Trade organization
D.
United Nations Environment Programme
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ANSWER :
C. World Trade organization