12th Class Biology Sample Paper Biology - Sample Paper-4

  • question_answer
    Discuss the following:
    (i)  Chipko Movement                 
    (ii) Radioactive wastes.

    Answer:

    (i) Chipko movement: Chipko movement was an organised resistance to the destruction of forests. It started in 1970s in Garhwal Himalayas and spread throughout India. The name of the movement comes from the word "embrace", as the villagers hugged the trees, and prevented the contractors from falling them. Mr. Sunderlal Bahuguna, a Gandhian activist and philosopher was the leader of Chipko Movement. 
    (ii) Radioactive wastes: Radioactive wastes such as uranium, are used as fuel in the atomic power plants. The accident leakage and disposal of radioactive wastes is the most serious problem. All safety measures for this purpose should be strictly enforced. High-level radioactive wastes generate a lot of heat and thus require cooling, as well as special protective shields during handling and transport.


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