Unique Paper Code 1986
Revised 0 of 7

Environmental Science: Theory into Practice (I)January 2024, Semester I, evening

All UG courses · 10 questions · 5 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), Land resources: soil, forests, mining and dams (12 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)Five definitions: ozone hole, mass extinction, non-biodegradable waste, smog, grazing food chainasked 16×1 (a) Give definitions of the following (any five) (1 × 5 = 5) (i) The ozone hole (ii) Mass extinction (iii) Non-biodegradable waste (iv) The renewable energy (v) Smog (vi) The grazing food chain(5)
(b)True or false: evergreen canopy, Chernobyl, the nitrogen reservoir, geothermal energy, BODasked 16×State whether each of the following is True or False (1 × 5 = 5) (i) The tropical evergreen forests have a thick canopy cover. (ii) The Chernobyl disaster is an example of nuclear disaster. (iii) Soil is the main…(5)

2.

10 marks
· ~20 min
Short notes on river water conflicts in India and on the importance of wetlandsasked 11×Write short notes on any two among the following (5 x 2 = 10) (a) The river water conflicts in India (b) The importance of wetland areas (c) Sustainable development goals and their importance(10)

3.

10 marks
· ~20 min
(a)
Air pollution and air qualityBeing checked
(5)
(b)
Air pollution and air qualityBeing checked
(5)

4.

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

5.

10 marks
· ~20 min
Reading on land degradation: meaning, effects on agriculture and biodiversity, and measuresasked 12×Read the following paragraph and answer the questions given below: Today, nearly a quarter of the total land area of the world has been degraded. This gives rise to enormous problems, not just for the billions of people…(10)

6.

10 marks
· ~20 min
Tackling soil pollution through a multidisciplinary approachasked 16×Environmental Studies is a multidisciplinary subject. Explain in what way the multidisciplinary approach can be utilized to tackle the environmental issue of soil pollution. Support the answer through a discussion of…(10)

7.

10 marks
· ~20 min
Field visit to a forest: forest versus grassland, a forest food web, trophic levels and pyramids of numbersasked 10×As part of your curriculum, suppose you go to a nearby forest area in order to better understand the structure and functioning of a forest ecosystem. On the basis of your understanding, answer the questions that follow:…(10)
Part C

8.

10 marks
· ~20 min
Energy resourcesBeing checked
(10)

9.

10 marks
· ~20 min
Dangers of unsegregated waste and landfill dumping in urban areasBeing checked
(10)

10.

10 marks
· ~20 min
Ecological and social impacts of constructing damsasked 12×Discuss the different ecological as well as social impacts of constructing dams.(10)

— End of the paper —