B.Sc.(TU) First Year Question Paper 2071 – Scientific Communication

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ScienceQuestion Paper of Scientific Communication – Old is Gold
For: Bachelor Level (4 Year) First Year
Science and Tech – Tribhuvan University

Subject Code: Sc. 101 | Full Marks: 50 | Time: 2 hrs | Year: 2071 (2014)
Candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.

Attempt All the Questions

1. Read the following passage and answer the questions given below briefly. [10]

One of the remarkable facts about water is its power to carry silt to finely divided soil in suspension. This is the origin of the characteristic coulour of the water in rainfed tanks. This colour varies with the nature of the earth in the catchment area and is most vivid immediately after a fresh inflow following rain. Swiftly flowing water can carry fairly large and heavy particles. The finest particles, however, remain floating within the liquid in spite of their greater density and are carried to great distances. Such particles are, of course, extremely small, but their number is also great and incredibly large amounts of solid matter can be transported this way. When silt-laden water mixes with the salt water of the sea, there is rapid precipitation of the suspended matter. This can be readily seen when one travels by steamer down a great river to the deep sea. The colour of the water changes successively from the muddy red or brown of silt through varying shades of yellow and green finally to the blue of the deep sea. That great tracts of land have been formed by silt thus deposited is evident on an examination of the soi; in alluvial areas. Such land, consisting as it does of finely divided matter, is usually very fertile.

a. Why the alluvial land areas are fertile?
b. How does a new tract of land come into existence?
c. How does the water change its colour so frequently?
d. How does the water show its power in creating colourful landscapes and maintain ecological balance in nature?

2. (1) Write a paragraph on Aristotle’s model of the universe and how was it opposed by Galileo’s model? (Our Picture of the Universe) [5]
(2) “The human body is perfectly suited for the ingestion of alcohol,” says Richard Selzer. How does he argue the utilization of alcohol in human body? (Save Your Liver) [5]
3. (1) Put the following five sentences in the right order, so that they read like a coherent paragraph: [5]

(a) This is the statement which has made Western man lose lose his self-assurance.
(b) He also wants to feel that he has been, from the beginning, larger than nature.
(c) Bronowski says that man is a part of nature.
(d) He lost his self-assurance because this statement means that man is not unique.
(e) But man wants to feel unique and immortal.

    (2) Match the segments in section A with the correct corresponding segments from section B. [5]

Section A
Section B

i. (a) A single explosion in a nuclear power plant….

ii. (b) Extra Carbon dioxide from fuel combustion ….

iii. (c) DDT and strontium-90 in the air…..

iv. (d) Carbon – 14 …..

v. (e) Synthetic chemicals …..

(a) …… may remain in the soil for years.(b) ……. might kill thousands of people.(c) …….. may be extremely harmful for future generation.

(d) …….. will remain on the earth’s surface for thousands of years.

(e) ……… might eventually cause floods.

4. Discuss the nature and role of communication in the field of science and technology. [10]
OR
Write a short technical report on your college library that has been facing some critical challenges in terms of physical facilities and equipments.
5. Write a 5 paragraph technical essay based on the following statement of Robert Arvill:

“To achive a continuous improvement in the quality of environment demands perception, education, economic strength, research, plus policies and administration geared to the right aims,” (Man and His Environment) in about 300 words. [10]

OR
Hydro Power: White Gold of Nepal.

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