[Week 1] NPTEL Ecology And Environment Assignment Answers 2023

NPTEL Ecology And Environment Assignment Answers
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NPTEL Ecology And Environment Assignment Solutions

Nptel Ecology And Environment Answers

NPTEL Ecology And Environment Week 1 Assignment Answers 2023

1. The second goal of Sustainable Development Goals (SDGs), Zero Hunger, promotes sustainable agriculture

  • True
  • False
Answer :- a

2. To ensure proper implementation of goal 6 of the SDGs, which of the following is the most pertinent?

  • Climate action (goal 13)
  • Decent work and economic growth (goal 8)
  • Partnerships for the goals (goal 17)
Answer :- c

3. Building of a dam can lead to the increase in _ disease, owing to the stagnation of water.

  • Meningitis
  • Zika-Virus
  • Polio

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Answer :- a

4. A dam height has to be increased because of

  • Aggradation
  • Re-aeration
  • Degradation
Answer :- a

5. Safety of a bridge on the downstream side of the dam would be compromised due to

  • Aggradation
  • Re-aeration
  • Degradation
Answer :- c

6. Which of the following crops is mostly not used to produce biofuels?

  • Rice paddy
  • Sugarcane
  • Maize
  • Soybean
Answer :- a

7. Arrange the following use and throw plastic alternatives in increasing order of CO2 released in their manufacturing process: Leaf products, Paper products and Earthen Products

  • Paper < Leaf < Earthen
  • Earthen < Paper < Leaf
  • Leaf < Earthen < Paper
Answer :- c

8. As of 2023, India has achieved the use of petrol blended with _ % ethanol and will start supplying petrol blended with _ % of ethanol from April 2024

  • 15, 20
  • 10, 20
  • 5, 15
Answer :- b

9. The disease caused by nanoparticles entering the brain is

  • Kaposi’s Sarcoma
  • Parkinson’s disease
  • Bronchitis
Answer :- b

10. A suitable adsorbent must be chosen for the application of capturing (adsorbing) CO2, a potent greenhouse gas, from industrial emissions. The two materials available are either nanoscale silica particles of 50 nm size or nano porous silica particles of 50 um size. It has been observed that both the materials have the same amount of adsorption capacity. Keeping in mind the impacts of nanomaterials discussed in the lecture, which would be a better choice towards meeting the sustainable goals?

  • nanoscale silica particles of 50 nm
  • nano porous silica particles of 50 um size
Answer :- b


Course NameEcology And Environment
CategoryNPTEL Assignment Answer
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