Previous year MCQs

General science UPPSC 2022 GS-I
Question

Which one of the following is NOT an example of bio-mass energy source?

Answer & Solution

Answer: (Detailed Solution Below)

Option B: Nuclear energy

Detailed Solution:

The correct answer is “Nuclear energy”.
Nuclear energy is not considered a biomass energy source.
Instead, it is generated through nuclear fission reactions, typically involving uranium or plutonium. On the other hand, coal, gobar (dung), and wood are all examples of biomass energy sources, as they are derived from organic materials and can be used as fuel.

Similar Questions:

Which one of the following concerns soil?
  1. A) Edaphic
  2. B) Climatic
  3. C) Biotic
  4. D) Topography
Which one of the following is not responsible for the depletion of ozone layer:
  1. A) CFC-12 used in refrigerators
  2. B) Methyl chloroform used as solvent
  3. C) HALON-1211 used in fire fighting
  4. D) Nitrous oxide
The device used for converting alternating current to direct current is called
  1. A) Inverter
  2. B) Rectifier
  3. C) Transformer
  4. D) Transmeter
Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R).

Assertion (A): CO2, SO2 and NO2 gases get dissolved in rain water and produce acid rain.
Reason (R): Atmospheric air is polluted due to high concentration of gases like carbon dioxide, sulphur dioxide and oxides of nitrogen.

Select the correct answer from the codes given below:
  1. A) Both (A) and (R) are true and (R) is the correct explanation of (A).
  2. B) (A) is false, but (R) is true.
  3. C) Both (A) and (R) are true, but (R) is not the correct explanation of (A).
  4. D) (A) is true, but (R) is false.
Dichloro-diphenyl-trichloroethane (DDT) is a:
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  2. B) Non-biodegradable pollutant
  3. C) Biodegradable pollutant
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Match List – I with List – Il and select the correct answer from the code given below the lists.
List – I (Waterfalls of India) – List – II (Location)

A. Dudhsagar – 1. Karnataka
B. Barkana – 2. Odisha
C. Khandadhar – 3. Himachal Pradesh
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Code:
A B C D
  1. A) 3 2 4 1
  2. B) 4 3 2 1
  3. C) 1 2 3 4
  4. D) 4 1 2 3
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  1. A) Sand
  2. B) Diamond
  3. C) Marble
  4. D) Sugar
ABC Index announced by the Government of India is associated with which of the following?
  1. A) Agriculture
  2. B) Communication
  3. C) Health
  4. D) Education
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  2. B) Scurvy
  3. C) Beri Beri
  4. D) Cheilosis
Which one of the following pairs is NOT correctly matched ?
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  2. B) Sarvaverman - Gaya Copper Plate
  3. C) Jivit Gupta – Second – Deva Barnark inscription
  4. D) Ishwarverman – Jaunpur stone inscription
Expansion during heating
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  2. B) Increases the weight of the material
  3. C) Decreases the density of the material
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Which kind of light waves are used in remote control of television:
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  2. B) Infrared
  3. C) X-rays
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