FST: December 2007 FST QUESTION PAPER

IGNOU BCA FST: FOUNDATION COURSE IN SCIENCE AND TECHNOLOGY - DECEMBER 2007 QUESTION PAPER

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BACHELOR IN COMPUTER APPLICATIONS
Term-End Examination
December, 2007
FST: FOUNDATION COURSE IN SCIENCE AND TECHNOLOGY

Time : 3 Hours

Max. Marks : 100

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Note : Your answers should be brief. Wherever possible, support your answers with facts and figures.

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1. (a) Fill in the blanks:
(i) The entry point of solar energy in an ecosystem is_____________________.
(ii) Vitamin ________ prevents bleeding of wound,by helping in blood clotting.
(iii) ____________neurons send signals from the nervous system to muscles and glands.

(b) Give One word/term for each of the following.
(i) The Outermost layer of the Sun’s atmosphere.
(ii) A material whose ability to conduct electric current is greater than that of an insulator but less than that of metals. :
(iii)The chemical weapons’ produced by a type of W.B.C to attack foreign bodies to make them ineffective.
(iv)The category of plants whose roots bear the nodules that harbour bacteria and fix nitrogen directly from the atmosphere.

(C).Write, in one or two sentences, the major contribution Of the following scientists:
(i) william Harvey
(ii) Isaac Newton
(iii) Ivan Pavlov
(iv) Birbal Sahni

(d) Answer each part briefly,within 50 words 15
(i) State any three ways in which the growth 0f science influences the production processes in a
society.
ii)Write One difference between conventional and non?conventional energy resources. Give one
example Of each also. :
(iii) Why should a nation develop its own technology?
(iv)Why does Venus appear brighter then Mercury Or/Mars?
(v) Write any three areas in high lasers have been
widely utilized.

2. (a) List three ,scientific and two technological achievements Of the brOnze age
(b)With the help of a suitable example, explain the method of science.

3. (a) What is radiocarbon dating ? With the help of one example,explain its use. 2+3
(b) Oceans are known as the largest and thickest ecosystem.Justify this statement.

4. (a) Do you support computerisation in Indian banks? Give reasons in support of your answer
(b) Spell Out,briefly,the essence of the New International Economic order. How does India stand to benefit from it?

5. (a) What factors should be considered while using fertilizers? 5
(b) “If we see a galaxy a billion light years away, seeing it in the way it was billion years ago.”Explain this phenomenon. 5

6. (a) State the essential components of management Of the land resource
(b) Define the term biotechnology Describe two Of its applications for human welfare. 1+4

7. Explain, with examples, how the scientific endeavor is influenced by the general intellectual atmosphere and the ideas prevailing in the Society. Your answer should be of approximately 500 words (10)

8. What is pollution ? For each of the following, list two sources and describe their impact on the environment : Water pollution, soil and pollution, noise pollution (1+3+6)

9. Describe the Social and economic impact of modern communication technologies in the context of Indian society.