1
UPSC Civil Service Prelims Paper I 2022 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language

Consider the following statements in respect of probiotics :

1. Probiotics are made of both bacteria and yeast.

2. The organisms in probiotics are found in foods we ingest but they do not naturally occur in our gut.

3. Probiotics help in the digestion of milk sugars.

Which of the statements given above is/are correct?

A
1 only
B
2 only
C
1 and 3
D
2 and 3
2
UPSC Civil Service Prelims Paper I 2022 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language

In the context of vaccines manufactured to prevent COVID-19 pandemic, consider the following statements :

1. The Serum Institute of India produced COVID-19 vaccine named Covishield using mRNA platform.

2. Sputnik V vaccine is manufactured using vector based platform.

3. COVAXIN is an inactivated pathogen based vaccine.

Which of the statements given above are correct ?

A
1 and 2 only
B
2 and 3 only
C
1 and 3 only
D
1, 2 and 3
3
UPSC Civil Service Prelims Paper I 2022 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language

If a major solar storm (solar flare) reaches the Earth, which of the following are the possible effects on the Earth ?

1. GPS and navigation systems could fail.

2. Tsunamis could occur at equatorial regions.

3. Power grids could be damaged.

4. Intense auroras could occur over much of the Earth.

5. Forest fires could take place over much of the planet.

6. Orbits of the satellites could be disturbed.

7. Shortwave radio communication of the aircraft flying over polar regions could be interrupted.

Select the correct answer using the code given below:

A
1, 2, 4 and 5 only
B
2, 3, 5, 6 and 7 only
C
1, 3, 4, 6 and 7 only
D
1, 2, 3, 4, 5, 6 and 7
4
UPSC Civil Service Prelims Paper I 2022 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language

With reference to polyethylene terephthalate, the use of which is so widespread in our daily lives, consider the following statements :

1. Its fibres can be blended with wool and cotton fibres to reinforce their properties.

2. Containers made of it can be used to store any alcoholic beverage.

3. Bottles made of it can be recycled into other products.

4. Articles made of it can be easily disposed of by incineration without causing greenhouse gas emissions.

Which of the statements given above are correct ?

A
1 and 3
B
2 and 4
C
1 and 4
D
2 and 3
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