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FST QUESTION PAPERS: JUNE 2007 FST PAPER

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

BACHELOR IN COMPUTER APPLICATIONS
Term-End Examination
June, 2007
FST: FOUNDATION COURSE IN SCIENCE AND TECHNOLOGY
Time : 3 Hours
Max. Marks : 100


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

1. (a) Fill in the blanks :
(i) The theory of Universal gravitation was given by ___________________.
(ii) The disc of the Milky Way galaxy is made up of the stars and clouds of gases called__________________.
(iii) Goiter is a disease caused by the deficiency of_____________.
(iv) The cognitive development of a person is measured in term.s of__________________ .
(v) _______________is a light beam made up of waves of the same wavelength.

(b) State if the following statements are true (T) or false(F) :
(i) Printing with movable metal types was first developed in Egypt in the fourth century B.C.
(ii) Fibre glass is used in making chairs and suitcases only.
(iii) More and more scientists and technologists from the developed countries are working in the
developing countries in this decade.
(iv)Alluvial and Laterite are two types of soils.
(v)SITE was the first Indian multipurpose satellite for expanding the communication network in
India.

(c)Gives short answers (i n not more than 50 words each) for the following : 20
(i) List any two needs of the people during the Bronze Age that led to the advancement of
astronomy.
(ii) Mention any one contribution each of J.C. Bose and S. Ramanujan.
(iii) Mention” the places of the occurrence of the fossils of the extinct Homo Erectus, and write
down their feeding habits.
(iv) Briefly explain any one way for the management of groundwater resources.
(v) Why is soil generally considered the most precious of all resources ? Give any two reasons.
(vi) Name a fruit tree and a fuel wood tree that can be grown in an arid zone.
(vii) Explain briefly how the Salt Satyagraha movement was a kind of mass communication.
(viii) Give one example each of the radiations on either side of the visible light in the electro-magnetic spectrum.
(ix) What is a supercomputer ? Also give any one of its applications.
(x) ‘”Technology can be used as a tool of domination”. Explain this statement using an example.

2. (a) “science has always played a crucial role in production. ” Discuss this statement in the context of transport from primitive to modern times.
(b) What is an experiment ? Describe one experiment from chemistry in support of conservation of mass. 5
3. (a) Explain the theory of spontaneous generation. How did Pasteur disprove this theory experimentally? 5
(b) Give three ways of technology transfer. Explain any one of these using an example.
4. (a) A pond ecosystem is harbouring some green plants, some insects, frogs, fishes and quite a large population of bacteria. Describe the steps of the nitrogen cycle occurring in this ecosystem.
(b)What is the need for a systems approach in overall planning ? Why must social objectives be the primary concern for this ?
S. (a) Do you think that computerization can enhance the work-efficiency of the banks ? Give reasons in support of your answer.
(b) List any four mass-communication media used in India. Which of these has the maximum reach in our country and why ?

6. Briefly describe any five technical innovations of medieval India.10
7 .Describe briefly the major steps in the life story of a star .For how long has our Sun been in the stable situation, and for how long is this situation expected to last ?
8. what is an infectious disease ? Describe how our skin and blood fight against germs to prevent disease.

9. Briefly explain the ways in which each of the following benefit society :
(a) Biotechnology
(b) Robotics
(c) Ergonomics
(d) Remote sensing
(e) Nuclear fission

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