2019 Prelims Paper 1 UPSC Question Paper

UPSC Prelims Paper 1 Question Papers

2019 Prelims Paper 1 UPSC Questions

21.
Which one of the following groups of plants was domestricated in the 'New World' and introduced into the 'Old World'?
A.
Tobacco, cocoa and rubber
B.
Tobacco, cotton and rubber
C.
Cotton, coffee and sugarcane
D.
Rubber, coffee and wheat
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ANSWER :
A. Tobacco, cocoa and rubber
22.

Consider the following statements:
1. The Asiatic lion is naturally found in India only.
2. Double-humped camel is naturally found in India only.
3. One-horned rhinoceros is naturally found in India only.
Which of the statements given above is/are correct?

A.

1 only

B.

2 only

C.

1 and 3 only

D.

1, 2 and 3

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ANSWER :

A. 1 only

23.

Consider the following pairs:

Famous Place River
1) Pandharpur Chandrabhaga
2) Tiruchirappalli Cauvery
3) Hampi Malaprabha

Which of the pairs given above are correctly matched?

A.

1 and 2 only

B.

2 and 3 only

C.

1 and 3 only

D.

1, 2 and 3

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ANSWER :

A. 1 and 2 only

24.
In a given year in India, official poverty lines are higher in some States than in others because
A.
poverty rates vary from State to State
B.
price levels vary from State to State
C.
Gross State Product varies from State to State
D.
quality of public distribution varies from State to State
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ANSWER :
B. price levels vary from State to State
25.
In the context of which of the following do some scientists suggest the use of cirrus cloud thinning technique and the injection of sulphate aerosol into stratosphere?
A.
Creating the artificial rains in some regions
B.
Reducing the frequency and intensity of tropical cyclones
C.
Reducing the adverse effects of solar wind on the Earth
D.
Reducing the global warming
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ANSWER :
D. Reducing the global warming
26.
In the context of which one of the following are the terms 'pyrolysis and plasma gasification' mentioned?
A.
Extraction of rare earth elements
B.
Natural gas extraction technologies
C.
Hydrogen fuel-based automobiles
D.
Waste - to - energy technologies
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ANSWER :
D. Waste - to - energy technologies
27.
Which of the following are in Agasthyamala Biosphere Reserve?
A.
Neyyar, Peppara and Shendurney wildlife Sanctuaries; and Kalakad Mundanthurai Tiger Reserve
B.
Mudumalai, Sathyamangalam and Wayanad Wildlife Sanctuaries; and Silent Valley National Park
C.
Kaundinya, Gundla Brahmeswaram and Papikonda Wildlife Sanctuaries; and Mukurthi National Park
D.
Kawal and Sri Venkateswara Wildlife Sanctuaries; and Nagarjunasagar-Srisailam Tiger Reserve
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ANSWER :
A. Neyyar, Peppara and Shendurney wildlife Sanctuaries; and Kalakad Mundanthurai Tiger Reserve
28.

Consider the following statements:
1. Some species of turtles are herbivores.
2. Some species of fish are herbivores.
3. Some species of marine mammals are herbivores.
4. Some species of snakes are viviparous.
Which of the statements given above are correct?

A.

1 and 3 only

B.

2, 3 and 4 only

C.

2 and 4 only

D.

1, 2, 3 and 4

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ANSWER :

D. 1, 2, 3 and 4

29.

Consider the following pairs:

Wildlife Naturally found in
1) Blue-finned Mahseer Cauvery River
2) Irrawaddy Dolphin Chambal River
3) Rusty-spotted Cat Eastern Ghats

Which of the pairs given above are correctly matched?

A.

1 and 2 only

B.

2 and 3 only

C.

1 and 3 only

D.

1, 2 and 3

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ANSWER :

C. 1 and 3 only

30.
Why is there a great concern about the 'microbeads' that are released into environment?
A.
They are considered harmful to marine ecosystems.
B.
They are considered to cause skin cancer in children.
C.
They are small enough to be absorbed by crop plants in irrigated fields.
D.
They are often found to be used as food adulterants.
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ANSWER :
A. They are considered harmful to marine ecosystems.