ENVIRONMENTAL EDUCATION 

AHSEC CLASS 11 - QUESTION PAPER 2023

ALLOTMENT OF MARKS

Section 1 (5 Marks)

1. Answer in short (any five): (1 × 5 = 5)

1. Mention any one of the components of environment.
2. Mention any one of the four segments of environment.
3. Give an example of artificial ecosystem.
4. In natural ecosystem, bacteria and fungus have been considered as which type of consumers?
5. Name the main gas which causes ozone layer depletion.
6. Mention one major mine disaster occurred in India.
7. Write the name of one renewable energy resource.
8. Mention the shape of the cautionary road signs as per the Motor Vehicles Act, 1988.

Section 2 (3 Marks)

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

1. ________ percent of the earth's surface is covered by water bodies.
2. ________ percent of oxygen is found in the earth's atmosphere.
3. ________ is one type of omnivorous animal.
4. The Disaster Management Act was adopted by the Government of India in the year ________.
5. To protect environment, the Government of India passed the Environment Protection Act in the year ________.

Section 3 (10 Marks)

3. Write short notes on (any five): (2 × 5 = 10)

1. Assam State Disaster Response Force
2. Need of wearing helmet by the bikers and riders
3. What is indicated by three kinds of light at traffic points?
4. Conservation of biodiversity
5. Zebra crossing
6. Greenhouse effect
7. Sustainable development
8. Major causes of deforestation in N-E India

Section 4 (12 Marks)

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

1. In situ conservation and Ex situ conservation
2. Learner's licence and Main driving licence
3. Mandatory and Cautionary road signs
4. Genetic biodiversity and Species biodiversity
5. Primary pollutants and Secondary pollutants
6. Autotrophs and Heterotrophs
7. Natural and Man-made noise pollution
8. Metallic and Non-metallic mineral resources

Section 5 (10 Marks)

5. Answer the following questions (any two): (5 × 2 = 10)

1. What do you understand by environment? Write briefly the necessity of environmental awareness. (2 + 3 = 5)
2. What is ecosystem? Write a brief note on natural ecosystem. (2 + 3 = 5)
3. What do you understand by biodiversity? Explain briefly the meaning of ecosystem diversity. (2 + 3 = 5)
4. What is the basic difference between Natural disasters and Man-made disasters? Discuss briefly the man-made disasters with example. (3 + 2 = 5)
5. Mention the common causes of road accidents. Write briefly about any two rules for safety in road travel enlisted in the Motor Vehicles Laws. (3 + 2 = 5)