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Posted By: RAFI Member Level: Gold Posted Date: 22 May 2008
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2005 Indira Gandhi National Open University (IGNOU) B.C.A FST: FOUNDATION COURSE IN SCIENCE AND TECHNOLOGY, December - 2005 Question paper
BACHELOR IN COMPUTER APPLICATIONS
Term-End Examination
FST: FOUNDATION COURSE IN SCIENCE AND TECHNOLOGY
December - 2005
Time: 3 hrs Maximum Marks: 100
Note: Your answers should be brief and to the point. Wherever possible, support your answers with facts and figures.
SECTION-A
A1. (a) Define the following:
(i) Robotics
(ii) Motor neuron
(iii) Decomposer
(b) Give name for each of the following:
(i) The theory of evolution which was proposed by Darwin.
(ii) The two metals used in Bronze Age to prepare the alloy bronze.
(iii) The mineral whose deficiency causes goiter.
(iv) The scientist who gave the theory of universal gravitation.
(c) Given below area terms and two statements related to each of these.
Choose the correct statement.
(i) Algal bloom : Promotes decomposers/ Promotes producers.
(ii) Nutrient cycle : Nitrogen fixation by bacteria/ Release of SO2 in the atmosphere
(iii) Art appreciation : Left cerebral hemisphere/ Right cerebral hemisphere
A2. Answer briefly within 50 words.
(i) What is belt drive? In which form did it come to India?
(ii) Define a semiconductor, and name two elements most commonly used in semiconductor.
(iii) State any four reasons for the tremendous increase in the population of our country.
(iv) What is a computer software? State the function of control unit in a computer.
(v) What are the two factors that make scientific knowledge as objective?
(vi) Name the planets of our solar system whose specific features are mentioned below:
(a) Planet closet to the Sun.
(b) Planet girdled by three rings as viewed through a telescope.
(vii) Which parts of the human brain would be involved in
(a) remembering a past incident?
(b) regaining the balance of the body when about to fall down?
(viii) In genetic engineering,
(a) What is the name of the circular DNA molecule of bacteria in which the foreign DNA fragment is inserted?
(b)Which enzyme acts on DNA molecule?
(ix) Name the category of microbes that cause the following diseases:
(a) Cholera
(b) Malaria
(c) Rabies
(d) Ringworm
(x) In the Iron age, medicine developed as a science in India and Greece, but reasons for development were different. Mention one reason each for development of medicine in these two countries.
Section B
Answer any eight questions. Each question carries five marks. Answer each question within 100 words.
B1. Name any two sources from where mercury reaches water bodies and pollutes it. From water how does it reach the humans and what harm does it cause to them?
B2. Explain the `Big Bang` theory of origin of the Universe. Give one evidence in favour of this theory.
B3. Discuss the factors which contributed towards Europe being the centre for the Development of science before the industrial revolution.
B4. Write about the disease AIDS, mentioning the causal organism, mode of transmission, symptoms and detection.
B5. Discuss two ways by which biotechnology has been successfully applied in theField of agriculture.
B6. What is a balanced diet? Design an India meal containing items of food that Provide protein, carbohydrates, vitamin A and calcium. Name two which occur Due to protein malnutrition.
B7. Define ergonomics. With the help of two examples prove that this branch of Science is important to improve the work efficiently in humans.
B8. In what ways have the developments in the fields of transport and communication Affected the life-style of the people?
B9. With the help of one example each from human body and a machine, explain how The system of information and control maintains the stability.
B10. How do white cells wage a battle against germs and toxins entering our body?
B11. With the help of suitable examples, differentiate between laws and theories in Science.
Section C
Answer any three questions. Each question carries ten marks. Answer each question Within 250 words.
C1. (a) Differentiate between renewable and non-renewable resources.
(b) How can remote sensing method be applied to explore the resources on
our planet?
C2. Define mass communication. Mention the various media used for mass
Communication in our country, and discuss the relevance of any one of them in
Modern times.
C3. Discuss how progress in Science and in Society influence each other.
C4. How are nutrients replenished in an ecosystem? Describe carbon cycle to support
Your answer.
C5. (a) State two evolutionary features in which humans differ from apes.
(b) Name the stages of human evolution in an evolutionary sequence.
(c) Mention three features in which modern day humans differ form their hominid
ancestors.
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