Previous year MCQs

Environment & Ecology UPPSC 2022 GS-I
Question

Dichloro-diphenyl-trichloroethane (DDT) is a:

Answer & Solution

Answer: (Detailed Solution Below)

Option B: Non-biodegradable pollutant

Detailed Solution:

The correct answer is “Non-biodegradable pollutant”.
Dichloro-diphenyl-trichloroethane (DDT) is a non-biodegradable pollutant. This synthetic chemical is persistent in the environment, meaning it does not break down easily and can accumulate in the tissues of living organisms.
DDT was widely used as an insecticide but has been largely banned in many countries due to its environmental impact, particularly its role in harming wildlife and causing long-lasting ecological damage.

Similar Questions:

Consider the following statement regarding global warming:

1. Melting of polar ice caps and subsequently rise in the sea level is the most important effect of global warming.
2. The sea level in likely to rise by one meter by 2070 AD if the present level of global warming is not controlled.
3. All the coral islands in the world will be submerged
4. By 2044 AD, Fiji is likely to be submerged and rise in the sea level by the same year will pose a grave danger to the Netherlands.
  1. A) 1, 2, 3 and 4
  2. B) 4 only
  3. C) 1, 2 and 4
  4. D) 1, 2 and 3
Right to Education has been included into the Fundamental Rights by the
  1. A) Constitution (103th Amendment) Act, 2019
  2. B) Constitution (93th Amendment) Act, 2005
  3. C) Constitution (86th Amendment) Act, 2002
  4. D) Constitution (71th Amendment) Act, 1992
With reference to Common Wealth Games Scheduled in 2022 and 2026, which of the following statements is/are correct?

1. Common Wealth Games will be held in Birmingham (England) in July – August 2022.
2. Common Wealth Games will be held in Victoria (Australia) in 2026.

Select the correct answer from the code given below :
Code :
  1. A) Neither 1 nor 2
  2. B) Both 1 and 2
  3. C) Only 2
  4. D) Only 1
Which is bio-diversity rich place in India?
  1. A) Western Ghat
  2. B) Eastern Ghat
  3. C) Thar Desert
  4. D) Bay of Bengal
The non-biotic pollutant of underground water is
  1. A) Bacteria
  2. B) Algae
  3. C) Arsenic
  4. D) Viruses
The highest chemical pollution is caused by the industrial effluents of
  1. A) Leather industry
  2. B) Paper industry
  3. C) Rayon industry
  4. D) Textile industry
Dichloro-diphenyl-trichloroethane (DDT) is a:
  1. A) Non-pollutant
  2. B) Non-biodegradable pollutant
  3. C) Biodegradable pollutant
  4. D) Biochemical pollutant
Which among the following compounds is the main constituent of natural gas ?
  1. A) Butane
  2. B) Hexane
  3. C) Benzene
  4. D) Methane
With reference to the Deep Carbon Observatory (DCO) which of the following statements is/are correct?

1. It is Global Research Programme to outreach role of carbon on earth.
2. It conducts field observations of deep microbial ecosystem.

Select the correct answer using the codes given below:
Codes:
  1. A) 1 only
  2. B) 2 only
  3. C) Both 1 and 2
  4. D) Neither 1 nor 2
When did the Water (Prevention and Control of Pollution) Act was enacted in which of the following year?
  1. A) 1974
  2. B) 1975
  3. C) 1976
  4. D) 1977
Which one of the following is NOT correctly matched ?
Lok Sabha – Election Year
  1. A) 13th – 1999
  2. B) 11th – 1996
  3. C) 9th – 1989
  4. D) 7th – 1982
Which of the following is an example of anthropogenic biome?
  1. A) Fresh water
  2. B) Grassland
  3. C) Rain forest
  4. D) Cropland