Science & EnvironmentUPSC Prelims 2019 Detailed Analysis

Prelims 2019 Answer Key | Science & Environment | Part 2

Q.1) Consider the following statements:

  1. Under Ramsar Convention, it is mandatory on the part of the Government of India to protect and conserve all the wetlands in the territory of India.
  1. The Wetlands (Conservation and Management) Rules, 2010 were framed by the Government of India based on the recommendations of Ramsar Convention.
  1. The Wetlands (Conservation and Management) Rules, 2010 also encompass the drainage area or catchment regions of the wetlands as determined by the authority.

Which of the statements given above is/are correct?

a) 1 and 2 only

b) 2 and 3 only

c) 3 only

d) 1, 2 and 3

Q.2) With reference to the management of minor minerals in India, consider the following statements:

  1. Sand is a ‘minor mineral’ according to the prevailing law in the country.
  2. State governments have the power to grant mining leases of minor minerals, but the powers regarding the formation of rules related to the grant of minor minerals lie with the Central Government.
  3. State Governments have the power to frame rules to prevent illegal mining of minor minerals.

Which of the statements given above is/are correct?

a) 1 and 3 only

b) 2 and 3 only

c) 3 only

d) 1,2 and 3

Q.3) As per the Solid Waste Management Rules , 2016 in India , which one of the following statements is correct?

a) Waste generator has to segregate waste into five categories.

b) The rules are applicable to notified urban local bodies , notified towns and all industrial townships only.

c) The Rules provide for exact and elaborate criteria for the identification of sites for landfills and waste processing facilities

d) It is mandatory on the part of waste generator that the waste generated in one district cannot be moved to another district.

Q.4) Consider the following statements:

  1. As per law, the Compensatory Afforestation Fund Management and Planning Authority exists at both National and State levels.
  2. People’s participation is mandatory in the compensatory afforestation programmes carried out under the Compensatory Afforestation Fund Act, 2016.

Which of the statements given above is/are correct?

a) 1 only

b) 2 only

c) Both 1 and 2

d) Neither 1 nor 2

Q.5) In India, ‘extended producer responsibility’ was introduced as an important feature in which of the following?

a) The Bio-medical Waste (Management and Handling) Rules, 1998

b) The Recycled Plastic (Manufacturing and Usage) Rules, 1999

c) The E-Waste (Management and Handling) Rules, 2011

d) The Food Safety and Standard Regulations, 2011

Q.6) Why is there a great concern about the ‘microbeads’ that are released into environment?

a) They are considered harmful to marine ecosystems

b) They are considered to cause skin cancer in children

c) They are small enough to be absorbed by crop plants in irrigated fields

d) They are often found to be used as food adulterants

Q.7) With reference to communication technologies, what is/are the difference/differences between LTE (Long-Term Evolution) and VoLTE (Voice over Long-Term Evolution)?

  1. LTE is commonly marketed as 3G and VoLTE is commonly marketed as advanced 3G.
  2. LTE is data-only technology and VoLTE is voice-only technology.

Select the correct answer using the code given below.

a) 1 only

b) 2 only

c) Both 1 and 2

d) Neither 1 nor 2

Q.8) For the measurement / estimation of which of the following are satellite images/remote sensing data used?

  1. Chlorophyll content in the vegetation of a specific location
  2. Green-house gas emissions from rice paddies of a specific location
  3. Land surface temperatures of a specific location

Select the correct answer using the code given below.

a) 1 only

b) 2 and 3 only

c) 3 only

d) 1, 2 and 3 only

Q.9) With reference to the recent developments in science, which one of the following statements is not correct?

a) Functional chromosomes can be created by joining segments of DNA taken from cells of different species.

b) Pieces of artificial functional DNA can be created in laboratories.

c) A piece of DNA taken out from an animal cell can be made replicate outside a living cell in a laboratory.

d) Cells taken out from plants and animals can be made to undergo cell division in laboratory petri dishes.

 

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