Gauhati B.Com 1st Sem Environmental Studies Question Paper
Note:- This Question Paper is 2nd Sem cbcs also important for New FYUGP 1st Sem students.
2023
ENVIRONMENTAL STUDIES
(Ability Enhancement Compulsory)
Full Marks: 80
Time: Three hours
The figures in the margin indicate full marks for the questions.
1. Fill in the blanks : 1×10=10
(a) The flow of energy in an ecosystem is_______.
(b) The Environment Protection Act was implemented in the year_______.
(c) Ozone layer is present in of the atmosphere______part of the atmosphere.
(d) Micro consumer is also known as_______.
(e) During the flow of energy, ecosystem always follow two laws of______.
(f) Pyramid of inverted form. is never found in______.
(g) National Park is an example of_______ conservation.
(h) In 1992, Convention on Biological Diversity was held in______city of Brazil.
(i) In nitrogen cycle, the main reservoir of nitrogen is______.
(j) Greenhouse gases have the ability to absorb_______energy.
2. Answer the following questions in short: 2x5
(a) What is acid rain?
(b) What do you mean by food chain?
(c) What are greenhouse gases?
(d) Give examples of some non-renewable resources.
(e) Mention different causes of depletion of biodiversity.
3. Write short notes on: (any four) 5×4=20
(a) Ecological pyramids
(b) Significance of environmental education
(c) Ecological succession
(d) Food web
(e) Rain water harvesting
(f) Man-made ecosystem
4. Answer the following: (any four) 10×4=40
(a) What do you mean by natural resources? Discuss different types of renewable resources. 2+8=10
(b) Explain the structure of an ecosystem with examples.
(c) What is population explosion? Discuss the impacts of population explosion on earth. 2+8=10
(d) What do you mean by wildlife conservation? Describe the in situ means of wildlife conservation. 2+8=10
(e) What are the different sources of water pollution? Discuss the effects of water pollution on human health. 4+6=10
(f) What is sustainable development? Describe the importance of sustainable development. 3+7=10
(g) Define environmental science. Describe the scope of environmental science. 2+8=10
(h) Discuss the effects of mining operations on forest and tribal people.
-000-