UPSC 2020 › Environment & Ecology › Renewable Energy & Green Technologies

3 questions · 2020 · answers as per the UPSC key

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UPSC 2020 · Q76 · Environment & Ecology › Renewable Energy & Green Technologies · Save

Steel slag can be the material for which of the following ?

  1. Construction of base road
  2. Improvement of agricultural soil
  3. Production of cement

Select the correct answer using the code given below :

(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
Show answer
Answer: (d) 1, 2 and 3
UPSC 2020 · Q78 · Environment & Ecology › Renewable Energy & Green Technologies · Save

In rural road construction, the use of which of the following is preferred for ensuring environmental sustainability or to reduce carbon footprint ?

  1. Copper slag
  2. Cold mix asphalt technology
  3. Geotextiles
  4. Hot mix asphalt technology
  5. Portland cement

Select the correct answer using the code given below :

(a) 1, 2 and 3 only
(b) 2, 3 and 4 only
(c) 4 and 5 only
(d) 1 and 5 only
Show answer
Answer: (a) 1, 2 and 3 only
UPSC 2020 · Q84 · Environment & Ecology › Renewable Energy & Green Technologies · Save

According to India's National Policy on Biofuels, which of the following can be used as raw materials for the production of biofuels ?

  1. Cassava
  2. Damaged wheat grains
  3. Groundnut seeds
  4. Horse gram
  5. Rotten potatoes
  6. Sugar beet

Select the correct answer using the code given below :

(a) 1, 2, 5 and 6 only
(b) 1, 3, 4 and 6 only
(c) 2, 3, 4 and 5 only
(d) 1, 2, 3, 4, 5 and 6
Show answer
Answer: (a) 1, 2, 5 and 6 only