Environmental Studies' 2019, Assam University B.Com Question Papers, CBCS Pattern

 Assam University B.Com Question Papers
TDC (CBCS) Even Semester Exam., 2019

(2nd Semester) Course No.: FCES AECC – 201

Full Marks: 50

Pass Marks: 20

Time: 3 hours

The figures in the margin indicate full marks for the questions


1. Choose the correct answer:                    1x10=10

a)    The term ‘ecosystem’ was proposed by

1)    A. G. Tansley.

2)    F. P. Odum.

3)    V. V. Dokuchaev.

4)    G. F. Morozov.

b)    Pyramid of biomass in forest ecosystem is

1)    Upright.

2)    Wholly inverted.

3)    Partly inverted.

4)    None of the above.

c)    In Assam, shifting cultivation is practised in

1)    Karbi Anglo and Dima Hasao districts.

2)    Golaghat and Goalpara districts.

3)    Jorhat and Dibrugarh districts.

4)    All of the above.

d)    India is expected to face critical levels of water stress by

1)    2030.

2)    2025.

3)    2050.

4)    None of the above.

e)    Coral reefs in India waters surround

1)    The Andaman and Nicobar Islands.

2)    The Lakshadweep Islands.

3)    The Gulf areas of Gujarat and Tamil Nadu.

4)    All of the above.

f)     Beej Bachao Andolan (Save the Seeds Movement) began in

1)    Western Ghat.

2)    Eastern Ghat.

3)    Himalayan Foothills.

4)    Vindhya Range.

g)    The unit of measurement of sound is

1)    Curie.

2)    Decibel.

3)    Rad.

4)    Rem.

h)    The Environment (Protection) Act in India was enacted in

1)    1972.

2)    1986.

3)    1981.

4)    1980.

i)      Diarrhea is caused by

1)    Bacteria.

2)    Virus.

3)    Protozoa.

4)    All of the above.

j)      The ‘Save Silent Valley’ movement took place in

1)    Maharashtra.

2)    Karnataka.

3)    Gujarat.

4)    Kerala.


2. Answer the following questions:                           2x10=20

a)    Define ecological succession.

b)    What is nitrification?

c)    What is desertification?

d)    Why does flood occur?

e)    Define the term ‘biodiversity’.

f)     Name the biodiversity hot spots of North-East India.

g)    What are the causes of water pollution?

h)    What is sustainable development?

i)      What is Chipko Movement?

j)      What are the impacts of population explosion on environment?


3. Elucidate the functional properties of ecosystem.                         4


Write notes on food chain and food web.

4. Give an account on the causes of deforestation in India.                            4


Explain renewable and non-renewable energy resources with examples.

5. Write a note on India as a mega-biodiversity nation.                    4


Explain in-situ and ex-situ conservation of biodiversity with examples.

6. What are the causes and effects of global warming?                    4


Write a note on solid waste management.

7. Write a note on disaster management.                              4


Write a brief about the role of different Indian religions and cultures in environmental conservation.

B.Com 2nd Sem (CBCS Pattern - Year 2019)


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