AHSEC - Class 11: Environmental Education' 2017

Full Marks: 40
Time: 1 ½ hours
The figures in the margin indicate full marks for the questions
1. Write very short answer of the following questions:                                                 1x10=10
a) Name two minor components of atmosphere.
b) What is a food chain in an ecosystem?
c) Name two natural sources of air pollution.
d) Name two radioactive pollutants.
e) Name the causal organism of typhoid.
f) Mention an instance of man-made worst disaster in Assam.
g) Write the full form of NDRF.
h) Since when was the ‘National Road Safety Policy’ adopted in India?
h) What does amber light in a traffic signal mean?
i) What is zebra crossing?
2. Write short answer of the following questions (any ten):                       2x10=20

a) Write a brief note on hydrosphere.
b) Mention the characteristics of artificial ecosystem.
c) Mention two conservation strategies of our country.
d) State the non-commercial services offered by green plants.
e) What measures can be taken to keep drinking water sources clean and safe?
f) Write two probable effects of noise pollution on human health.
g) Suggest any four steps which you can take as a student in Disaster Management.
h) What ‘Not to Do’ during disaster?
i) Mention about the measures to be taken before and after a disaster.
j) Write the safety rules to be obeyed, while walking on the road.
k) What is meant by mandatory road signs? Name any four of the signs that fall under this category.
l) What is the purpose of wearing a seat belt in a vehicle?
m) Why should helmet be worn by the biker and the rider?
3. Answer any two of the following questions:                                  5x2=10
1. Write an account on need for environmental awareness.
2. What is energy conservation? What measures will you adopt for energy conservation?
3. What are the purposes and functions of ‘Assam State Disaster Management Authority’ (ASDMA)?
4. What is a Driving Licence? Explain the rules for eligibility to have a driving licence.

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