CH 3925 – SCIENCE AND SOCIETY

Date : 12-11-08 Dept. No. Max. : 100 Marks

Time : 9:00 – 12:00

PART – A

Answer the following: (10 x 2 = 20 marks)

How is science useful to the society?
What are the differences between technology and science?
What is entropy? What is its significance?
Why should a scientist be cautious while publishing scientific results?
What is meant by cost-effective research?
Mention one advantage and disadvantage of using internet to obtain scientific information.
Examine the use of solar energy for cooking.
What is meant by genetic engineering?
What is a nuclear fission reaction? What is its significance?
Write notes on global warming.

PART- B

Answer any EIGHT of the following: [300 words] (8 x 5 = 40 marks)

What is meant by transfer of technology and transformation of technology? Explain with examples.
Why are some technical revolutions not reaching all parts of the world?
Why should a researcher have social concern?
Write a note on contradictions between scientists and religious sentiments in history and at present.
What are the tests to be carried out on a new drug, before introducing it for human use?
Analyze the pros and cons of any one entertainment source (like TV) which is popular among the students.
How is energy sources classified?
What is ‘green-house effect’? Mention its significance and consequences.
What are the successes and threats of information technology?
What is Biotechnology? What are its promises?
Explain recent changes/ advances in teaching methods due to scientific developments.
Explain some cultural changes taken place due to the development of science and technology.

PART – C

Answer any FOUR of the following: [600 words] (4 x 10 = 40 marks)

Discus the qualities to be found (i) in a good research problem (ii) in a good researcher.
Explain three methods of generating electricity, analyzing advantages/ disadvantages of each method.
How has the improvement of transport system changed the society?
Discus the pros and cons of using chemicals in cosmetics.
Write an essay on development in agricultural science with special reference to soil analysis, use of fertilizes and pesticides.
‘Faith in God is unnecessary in this scientific world’ – examine this statement using examples and case studies.