Environment-Questions-UPSC-IAS-Prelims-and-MainsLast 12 years Environment,Ecology, Biodiversity & Climate Change previous year questions from UPSC Prelims sorted as pdf.Download that help us understand the nature of UPSC questions.Carefully go through this UPSC Ecology, Biodiversity & Climate Change question bank that we have prepared for you. The Upsc Prelims Ecology, Biodiversity & Climate chnage questions lisetd below are actual questoins that were given for civil service prelims examination held by UPSC.Get pdf version of all previous 12 years question with answersDOWNLOAD PDF HERE

 

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Environment previous year Questions upsc prelims

Since its difficult for you to sort all 12 years Questions here with answers for future revision;we made it pdf for you.Get pdf of previous 12 years Environment,ecology & Bio diversity module DOWNLOAD PDF FREE  | understanding question pattern is very important. More materials are available in our downloads sections Free


1.Which of the following are the key features of ‘National Ganga River Basin Authority (NGRBA)’?

  1. River basin is the unit of planning and management.
  2. It spearheads the river conservation efforts at the national level.
  3. One of the Chief Ministers of the States through which the Ganga flows becomes the Chairman of NGRBA on rotation basis.

Select the correct Answer using the code given below.

  1. 1 and 2 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1,2 and 3

 Answer. A 


2.Why does the Government of India promote the use of ‘Neem-coated Urea’ in agriculture?

  1. Release of Neem oil in the soil increases nitrogen fixation by the soil microorganisms.
  2. Neem coating slows down the rate of distribution of urea in the soil
  3. Nitrous oxide, which is a greenhouse gas, is not at all released into the atmosphere by crop fields.
  4. It is a combination of a weedicide and a fertilizer for particular crops.

Answer. D


3.Recently, our scientists have discovered a new and distinct spices of banana plant which attains a height of about 11 meters and has orange – colored form of pulp. In which part of India has been discovered?

  1. Andaman Islands
  2. Anaimalai Forests
  3. Maikala Hills
  4. Tropical rainforest of North east

Answer. A

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4.Consider the following :

1. Photosynthesis

2. Respiration.

3. Decay of organic matter

4. Volcanic action.

Which of the above add carbon dioxide to the carbon cycle on earth ?

(a) 1 and 4 only

(b) 2 and 3 only

(c) 2, 3 and 4 only

(d) 1 and 4

Answer: c


5.Which of the following can be threats to the biodiversity of a geographical area?

1. Global warming

2. Fragmentation of habitat

3. Invasion of alien species

4. Promotion of vegetarianism

Select the correct answer using the codes given below :

(a) 1, 2 and 3 only

(b) 2 and 3 only

(c) 1 and 4 only

(d) 1, 2, 3 and 4

Answer: a


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