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Environmental Issues · Question 8

NEET (UG) 2022 (Phase 2)MCQEasy📈 Topic in 38% papers+4−1
1

Why CNG is considered better fuel than diesel? Choose the most appropriate answer from the options given below :

  1. C, D and E only
  2. A, B, C and E only
  3. A, C and D only
  4. A, B, D and E only

Answer

(3) A, C and D only

Solution

As per NCERT, CNG is better than diesel because:

A: It cannot be siphoned off by thieves and adulterated like petrol or diesel correct.

B: Filling time is not a reason given; filling CNG is in fact not quicker incorrect.

C: It burns most efficiently, leaving very little of it unburnt correct.

D: It is cheaper than petrol or diesel correct.

E: CNG is a highly inflammable gas incorrect.

A, C and D only.

Answer: (3)

Out of syllabusNEET (UG) 2022 (Phase 2)

Keep practising — Environmental Issues

2

Dobson units are used to measure thickness of :

  1. Troposphere
  2. CFCs
  3. Stratosphere
  4. Ozone
Out of syllabusNEET (UG) 2021
3

Snow-blindness in Antarctic region is due to

  1. High reflection of light from snow
  2. Freezing of fluids in the eye by low temperature
  3. Inflammation of cornea due to high dose of UV-B radiation
  4. Damage to retina caused by infra-red rays
Out of syllabusNEET (UG) 2020
4

Montreal protocol was signed in 1987 for control of

  1. Disposal of e-wastes
  2. Transport of Genetically modified organisms from one country to another
  3. Emission of ozone depleting substances
  4. Release of Green House gases
Out of syllabusNEET (UG) 2020
5

Which of the following protocols did aim for reducing emission of chlorofluorocarbons into the atmosphere?

  1. Gothenburg Protocol
  2. Geneva Protocol
  3. Montreal Protocol
  4. Kyoto Protocol
Out of syllabusNEET (UG) 2019
6

Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for :

  1. Construction of roads
  2. Making tubes and pipes
  3. Making plastic sacks
  4. use as a fertilizer
Out of syllabusNEET (UG) 2019
7

Which of the following pairs of gases is mainly responsible for green house effect?

  1. Nitrogen and Sulphur dioxide
  2. Carbon dioxide and Methane
  3. Ozone and Ammonia
  4. Oxygen and Nitrogen
Out of syllabusNEET (UG) 2019
8

Which of these following methods is the most suitable for disposal of nuclear waste?

  1. Dump the waste within rocks under deep ocean
  2. Bury the waste within rocks deep below the Earth’s surface
  3. Shoot the waste into space
  4. Bury the waste under Antarctic ice-cover
Out of syllabusNEET (UG) 2019
9

In stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxygen?

  1. Carbon
  2. Cl
  3. Fe
  4. Oxygen
Out of syllabusNEET 2018
10

Which of the following is a secondary pollutant?

  1. CO
  2. CO2
  3. SO2
  4. O3
Out of syllabusNEET 2018
11

World Ozone Day is celebrated on

  1. 5th June
  2. 21st April
  3. 16th September
  4. 22nd April
Out of syllabusNEET 2018

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