Environmental Science XII 2017

Higher Secondary (Vocational) Examination 2017

CLASS XII

(New Syllabus)

ENVIRONMENTAL STUDIES

Time Allowed : 3 hours                                                                             Full Marks: 80

Answer Question No. 1 and any five from the rest

1. A.  Choose and write correct answer

    i) In 2025 expected number of motor vehicles in the world.

       a) 40 Crore

       b) 100 Crore

       c) 75 Crore 

    ii) Where is  Jaldapara situated?

      a) Assam

      b) Orissa

      c) West Bengal

     d) Mizoram

   iii) Water is acidic if its pH is

     a) Above 7

     b) Just 7

     c) lower than 7

   iv) The prime green house gas is 

     a) Carbon di-oxide

     b) Oxygen

     c) Ozone

   v) The Indian coast hit by the tsunami on

    a) 26th December 2004

    b) 26 January 2004

    c) 1st January 2002

    d) 29 November 2004

  vi) About half of the natural gas reserve in the countries of 

    a) Europe

    b) Middle East

    c) Africa

  vii) The diseased cause by ultra violet radiation is 

    a) Liver Cancer

    b) Lung Cancer

    c) Skin Cancer

  viii) What is full form of EPA

   a) environmental Protection Agency

   b) Environmental Pollution Control Agency

   c) European Public association

      

  ix) IPM means
   a) Integrated Pest Management
   b) Indian Plant Management

  x) Azolla is widely used i  Vietnam as bio fertilizer for
   a) Rice
   b) Wheat
   c) Maize

1 B.   Fill in the blanks and write True / False.
    i) The idea of sustainable development was conceived in early ..................
   ii) The place of origin of an earthquake is called its .........................
   iii) ..................... is described as a store house which man uses to satisfy his needs.
   iv) Kyoto protocol held in. ...................
   v) Tiger is a .......................... species in Sunderban.
   vi) Tsunami develops when a low pressure area is surrounded by high pressure (T/F)
   vii) Sea water is often polluted due to oil spills. (T/F)
   viii) The material which cause pollution of the environment are called eutorification. (T/F)
   ix) Diesel is not a fossil fuel. (T/F)
   x) Key focus of sustainable development is an resource saving innovation.

2 (a) Discuss about different types of Environment.
   (b) Discuss the role of population.

3 (a) Write the mpact of urbanization and industrialization on environment.
   (b) Write any three destructive effect of volcano?
   (c) Describe about sociocultural environment?

4 (a) Describe Bhopal gas Tragedy and minamata disease?
   (b) What are the precautions taken against tsunami?
   (c) Give example of some ways in which the environment get polluted?

5 (a) What is Photochemical smog? Write the conditions for the formation of photochemical smog.
   (b) What is acid rain?
   (c) What is Ozone layer depletion?
   (d) Describe the effect of global warming.

6  (a) Describe adverse effect of e-waste and plastics on environment.
    (b) Mention three causes of loss of biodiversity.
    (c) What is radiation pollution.

7. (a) What is atomic energy? Write its advantage and dis-advantage.
    (b) Write about Sustainable development programme in India.
    (c) Explain renewal resources of energy with suitable example.

8. Write short notes on (any three)
  (a) Silent Valley movement
  (b) Conservation of Soil
  (c) Green bench
  (d) Sewage.