Assam Board Class 11 Question Paper 2022 Environmental Education

ASSAM BOARD

QUESTION
PAPER
CLASS 11

Total No. of Printed Pages4

22E-ENVE

2022

ENVIRONMENTAL EDUCATION

Theory)

Full Marks:
40
Pass Marks: 12

Time: 2 hours

The figures in the margin indicate full marks for the
questions

ALLOTMENT OF MARKS

Q. No. 1(a) carries 1 mark each 1x5 5

Q. No. 1(b) carries 1 mark each 1x3 3
Q. No. 2 carries 2 marks each 2x5 10

Q. No. 3 carries 3 marks each (2+1)x4 = 12

Q. No. 4 carries 5 marks each 5x2 100

Total 40

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2)

1. (a) Answer in short (any fiuve) 1x5-5

() Define biodiversity

( Which day is observed as the World Environment
Day'?

(in)
(i1H) What is the name of the solid mantle of the earth?

1uWrite the full form of NDRF.
NDRF-7 zoj acDI f
)Write the name of a biosphere reserve of Assam.

(viy What is food web?

(vi) Give example of one lotic aquatic ecosystem.

vi What do you mean by climate change?

1x3-3
(b) Fill in the blanks (any three)

(i) Uranium is energy resource

(ü) Cholera is a disease
C151

i ) Tiger is level consumer of ecosystem.

ICTSI

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3)

iy Frog is level consumer of ecosystem.

() 'The First Decade of Action for Road Safety'
1S

2. Write short accounts of (any five) 2x5-10

a) Food chain / 17 *KY7
)Acid rain / R 7
)Greenhouse effect / i b aST
(d) Ex situ conservation / 3:RAF
e) Sources of sound pollution / ITTA GPR
AEcosystem/ e a
g) The Wildlife (Protection) Act, 1972
- 2 1 ( ) a a , 1972
(h) Causes of threats to biodiversity

3. Define and distinguish (any four) (2+1)x412

la) Producer and Consumer

(b) Lithosphere and Hydrosphere

) P o l l u t a n t and Pollution

d Renewable and Non-renewable resources

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4)

(e) Biodegradable and Non-biodegradable wastees

( Road marking and Zebra crossing

(g) Atmosphere and Biosphere
1 7 TS a

(h) Infrastructure factor and Mechanical factor

4. Answer the following questions (any two) 5x2-10

ka) Describe the various air pollutants.

(b) Write few importances of health and hygiene.

(c) What do you mean by global warming? Mention two
consequences of global warming.

(d) What are the major causes of deforestation in
Northeast India?

(e) Write the role of students in disaster management.

Write about the national conservation strategies.

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