Assam Board Class 11 Question Paper 2023 Environmental Education

ASSAM BOARD
QUESTION
PAPER
2023

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Total No. of Printed Pages-7
23E-ENVE

2023

ENVIRONMENTAL EDUCATION

Full Marks : 40
Pass Marks: 12
Time : 2 hours

The figures in the margin indicate full marks for the questions

ALLOTMENT OF MARKS

0. No. 1carries 1mark each 1x5 = 5

Q. No. 2 carries 1mark each 1x3 = 3

Q. No. 3 carries 2 marks each 2x5 = 10

Q. No. 4 carries 3marks each 3x4 = 12

Q. No. 5 carries 5 marks each 5×2 = 10

Total = 40

/141 Contd.

(2 )
( Answer in short (any five) : 1x5=5

(a) Mention any one of the components of environment.

(b) Mention any one of the four segments of environment.

(c) Give an example of artificial ecosystem.

(a) In natural ecosystem, bacteria and fungus have been
considered as which type of consumers?

s 1 ?

(e) Name the main gas which causes 0Zone layer
depletion.

) Mention one major mine disaster occurred in India.

(g) Write the name of one renewable energy resource.

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(3 )

(h) Mention the shape of the cautionary road signs as per
the Motor Vehicles Act, 1988.

2. Fill in the blanks (any three) : 1×3=3

(a) percent of the earth's surface is covered by water
bodies.

(b) percent of oxygen is found in the earth's
atmosphere.

(c) is one type of omnivorous animal.

(d) The Disaster Management Act was adopted by the
Government of India in the year

(e) To protect environment, the Government of India
passed the Environment Protection Act in the year

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(4 )
3.) Write short notes on
(any five) : 2x5=10
(a) Assam State Disaster
Response Force

(0) Need of wearing helmet by the bikers and riders

(C) What is indicated bv three kinds of light at traffic
points?

(d) Conservation of
biodiversity

(e) Zebra crossing

() Greenhouse effect

(g) Sustainable development

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(5 )

(h) Major causes of deforestation in N-E India

4 Distinguish between the following (any four) : 3x4=12

(a) In situ conservation and Ex situ conservation

(b) Learner's licence and Main driving licence

(c) Mandatory and Cautionary road signs

(a) Genetic biodiversity and Species biodiversity

(e) Primary pollutants and Secondary pollutants

). Autotrophs and Heterotrophs

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(6 )
(g) Natural and
Man-made noise pollution
(h)
Metallic and
Non-metallic mineral resources
5.
Answer the following questions (anytwo) : 5x2=10

(a) What do
you understand by
brietly the necessity of
environment? Write
environmental awareness. 2+3=5

(b) What is
ecosystem? Write a brief note on natural
ecosystem. 2+3=5

(c) What do you
understand by
briefly the meaning of ecosystembiodiversity? Explain
diversity. 2+3=5

(d) What is the basic
difference between Natural disasters
and Man-made disasters? Discuss briefly the
man-made disasters with example. 3+2=5

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(7)
accidents. Write
( Menuon the common causes of road
travel
Driely about any two ules for safety in road 3+2=5
enlisted in the Motor Vehicles Laws.

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