Unique Paper Code 2151
Revised 0 of 2

Environmental Science: Theory into Practice (I)July 2023, Semester II, evening

All UG courses · 10 questions · 10 parts still being checked

Duration: 1 h 45 or 2 h 30Maximum Marks: 50 or 70

Reworded by Kunji from the printed paper. The original paper belongs to the University of Delhi. See DU's question bank.

Before you start

  1. This paper. Regular students sit Parts A and B, 50 marks in 1 hour 45 minutes. SOL students sit Parts A, B and C, 70 marks in 2 hours 30 minutes.
  2. Most asked here. Scope of environmental studies and basic terms (16 papers), Solid waste management (15 papers), Types of ecosystems (10 papers). These come back almost every year, so learn them first. The asked N× note beside each part counts the DU papers that set its topic.
  3. Pace. Two minutes a mark: about 20 minutes for each 10-mark question, with nothing spare in 2.5 hours. Move on when the time is up.
  4. Keep score. Every part opens a worked answer checked against the books. Turn the key when you have revised it; the boxes at the top fill in, on this device.
Part A

1.

10 marks
· ~20 min
(a)
Fill in the blanks: abiotic, pioneer species, fossil fuels, a hazardous waste, UNFCCCBeing checked
(5)
(b)
True or false: ozone layer, lotic waters, Earth Summit, coal power, acid rainBeing checked
(5)

2.

10 marks
· ~20 min
Short notes on estuaries and on the Bhopal gas tragedyasked 10×Write a short note on any two of these : (2×5=10) (i) The estuaries (ii) Apikko Movement (iii) Bhopal gas tragedy(10)

3.

10 marks
· ~20 min
(a)
Climate change, biodiversity and environment lawBeing checked
(5)
(b)
Nuclear hazards and health risksBeing checked
(5)

4.

10 marks
· ~20 min
Key principles of ecological restoration, and how restoration returns an ecosystem towards its original stateBeing checked
(10)
Part B

5.

10 marks
· ~20 min
Ecosystem structure and functionBeing checked
(10)

6.

10 marks
· ~20 min
Case: Raman's park picnic, burning versus segregating wasteBeing checked
(10)

7.

10 marks
· ~20 min
Climate change, biodiversity and environment lawBeing checked
(10)
Part C

8.

10 marks
· ~20 min
Five definitions: hydrosphere, particulate matter, ecological pyramid, geothermal energy, e-wasteasked 16×Define the following terms (any five) : (5×2=10) (i) The hydrosphere (ii) Particulate Matter (iii) An ecological pyramid (iv) Geothermal energy (v) Subsidence (vi) E-waste(10)

9.

10 marks
· ~20 min
History of environmental movementsBeing checked
(10)

10.

10 marks
· ~20 min
Categories of ecosystem servicesBeing checked
(10)

— End of the paper —