Term-End Examination
June, 2006
FST : FOUNDATION COURSE IN SCIENCE AND TECHNOLOGY
Time :3 hours Maximum Marks: 100
(Weightage 70%)
Note : Your answers should be brief and to the point.
Wherever possible, support your answers with facts
and figures.
SECTION A
Answer all questions.
Al. (a) Give in one or two sentences, the major contribution
of any three of the following scientists : (1x3=3)
(i) C.V. Raman
(ii) Ronald Ross
(iii) Charaka
(iv) Charles Darwin
(b) Give one term for each of the following : (1x3=3)
(i) A collection of billions of stars, and clouds of gas
and dust.
(ii) Science of communication and control in
machines and living organisms.
(iii) The technique of transmitting light waves
through glass fibres.
(c) Fill in the blanks: (1x4=4)
(i) Trophic levels are the links in a __________________.
(ii) The hormone______________enables our body to metabolise sugar.
(iii) Wheat is our chief crop whereas rice
.is the chief kharif crop.
(iv) The_____________is the part of nervous system
through which simple reflexes are routed.
A2. Answer each part briefly within 50 words (2x10=20)
(i) How is photochemical smog formed ?
(ii) Explain the term artificial intelligence.
(iil State two advantages of human factor engineering
(iv) State two main symptoms of kwashiorkor.
(v) List two technical innovations of medieval India.
(vi) Give one advantage and one limitation of radio as a
medium of communication.
(vii) State the two major contributions of Arvabhatta.
(viii) Name any four renewable energy resources.
(ix) State two applications of laser in medicine.
(x) Which parts of the brain are involved in :
(a) regulation of body temperature
(b) maintaining the balance of the body
SECTION B
Answer any eight questions Each question carries five
marks. Answer each question within 100 words
B1. What is mixed cropping ? Give an example .State three
advantages of this agrotechnique (1+1+3=5)
B2. Mention five different ways in which the environment has
been adversely affected due to technological advances (1x5=5)
B3. Describe the atomic theory given by Kanad
B4. What is remote sensing ? Describe how remote sensing helps
to survey vegetation cover. (2+3=5)
B5. Distinguish between hypothesis and theory' Give an example
in support of Your answer. (3+2=5)
B6. List any four modes of communication being used by
IGNOU to impart education' Which one of these is most
useful for You and why ? (2+3=5)
B7. What is vaccination ? How does it protect us from
infections ? Name any four diseases that are prevented by
vaccination. (7+2+2=5)
B8. What is the Big Bang theory of the origin of the
universe?List three evidences in support of this theory.
89. What is biotechnology ? List any three applications of
biotechnology (2+3=5)
B10. Differentiate Between nuclear fission and nuclear fusion. Draw the diagram of a chain reaction. (2+3=5)
B11. Differentiate between stimulus and response. Describe (2+3=5)
Pavlov's experiment on learning.
SECTION C
Answer any three questions. Each question carries ten
marks. Answer each question within 250 words.
Cl. Explain how the needs of city based civilizations led to
scientific and technical advancements in the 'Bronze Age'.
Select any five areas. (2x5=70)
C2. What is water cycle ? Discuss the impact of human activities
on water cycle. Suggest any two measures to prevent the
adverse impact of these activities. (2+6+2=70)
C3. "Science and technology have played a vital role in
transforming our way of life through the ages." Justify the
statement with the help of examples from the transport
sector. (2x5=70)
C4. Differentiate between chemical evolution and biological
evolution. Discuss briefly any two evidences in favor of
biological evolution. (4+6=10)
C5. What is technology forecasting ? Explain why it is an
important area of study. Mention two areas in which
technology forecasting would be useful and why. (2+4+4=10)