UPSC NCRET SCIENCE & TECHNOLOGY NOTES: TOPIC WISE SOLVED MCQ’s

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1. What is the objective of ‘Evolved Laser Interferometer Space Antenna (Elisa)’ project?
a) To detect neutrinos
b) To detect gravitational waves
c) To observe the effectiveness of missile defence system
d) To evaluate the effect of solar flares on our communication systems
Ans: B

2.   In India, it is legally mandatory for which of the following to report on cyber security incidents?
1. Service providers
2. Data centers
3. Body corporate
Choose the correct answer using the code provided below:
a) 1 only b) 1 and 2 only
c) 3 only d) 1, 2 and 3
Ans: D

3.   The term ‘M-STrIPES’ is related to-
a) Captive breeding of Wild Fauna
b) Maintenance of Tiger Reserves
c) Indigenous Satellite Navigation System
d) Security of National Highways
Ans: B

4. Light year is unit of:
a) Time b) Speed of light
c) Distance  d) Mass
Ans: C

5. Match List-I with List – II and select the correct answer using the codes given below the Lists:
List-I List-II
A. Acceleration 1. Joule
B. Force 2. Newton second
C. Work done 3. Newton
D. Impulse 4. Meter per second2
A B C D
1. 1 2 3 4
2. 2 3 4 1
3. 4 3 1 2
4. 3 4 1 2
Ans: C

6. Parsec is the unit of:
a) Distance b) Time
c) Intensity of light d) Magnetic line
Ans: A

7. At present, scientists can determine the arrangement or relative positions of genes of DNA sequences on a chromosome. How does this knowledge benefit us?
1. It is likely to know the pedigree of livestock.
2. It is likely to understand the causes of all human disease.
3. It is likely to develop disease-resistant animal breeds.
Which of the statements given above is/are correct?
a) 1 and 3 only                b)   1 and 2 only
c)1, 2 and 3          d) 2 only
Ans: A

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