GoGet IAS Daily Quiz ForPrelims 2018

Posted : 19/08/2017

  1. Which of the following can alter the ecosystem productivity of a region?
  1. Hydrological conditions
  2. Rate of photosynthesis
  3. Marine upwelling

Which of the given above statement(s) is/ are correct?

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

 

 



2. With reference to ecosystems, consider the following statements:

  1. Organisms at higher trophic level receive energy from more than one trophic level.
  2. Higher trophic levels tend to be more discrete than the lower ones.

Which of the given above statement(s) is/are correct?

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2

 

 



3. When acid rain falls on buildings made of marble, what is the final product that flakes off easily?

  1. Calcium Carbonate
  2. Gypsum
  3. Dolomite
  4. Epsom


 



4. Which of the following are sources of nitrogen oxides (NOx)?

  1. Combustion engines of automobiles
  2. Coal burning in power plants
  3. Natural Lightening
  4. Agricultural fertilizers

Select the correct answer using the codes given below:

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

 



5. Endosulphan has been banned under the Stockholm Convention because:

  1. it depletes ozone
  2. it causes global warming
  3. it is an endocrine disruptor
  4. None of the above

 

 



  1. Man causes soil erosion through
  1. use of improper ploughing methods
  2. leaving roots of crop in the field after harvest
  3. practicing trash farming
  4. use of heavy machines

Select the correct answer using the codes given below:

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

 

 



2. The sources of mercury pollution include:

  1. Coal fired thermal power plants
  2. Supersonic jets
  3. Automobiles
  4. Waste incinerators

Select the correct answer using the codes given below:

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

 

 



3. The energy flow in an ecosystem is :

  1. Unidirectional
  2. Cyclic
  3. Non-cyclic
  4. Bidirectional

Select the correct answer using the codes given below:

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

 

 



4. The National Air Quality Monitoring Programme (NAMP) run by Central Pollution Control Board, monitors which of the following pollutants at all locations ?

  1. Carbon dioxide
  2. Sulphur dioxide
  3. Oxides of nitrogen
  4. suspended particulate matter

Select the correct answer using the codes given below:

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

 

 



5. Which among the following is a mechanical method of soil conservation?

  1. Bunding
  2. Terracing
  3. Contour Farming
  4. Stubble Mulching

Select the correct answer using the codes given below:

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

 

 


Complete Test