UPSC 1999 Prelims – all questions

147 questions · 1999 · answers as per the UPSC key · page 3 of 3

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Assertion (A): Chile continues to be an important producer of copper in the world.

Reason (R): Chile is endowed with the world’s largest deposit of porphyry copper.

(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is not a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
Show answer
Answer: (a) Both A and R are true, and R is the correct explanation of A

In eye donation,

which one of the following parts of donor’s eye is utilised?

(a) Iris
(b) Lens
(c) Cornea
(d) Retina
Show answer
Answer: (c) Cornea

Consider the following

statement: An ordinary light bulb has a rather short life because the I. Filament wire is not uniform. II. Bulb cannot be evacuated completely. III. Wires supporting the filament melt at high temperatures.

Which of the above statements are correct?

(a) I and III
(b) II and III
(c) I and II
(d) I, II and III
Show answer
Answer: (b) II and III

Match the hormones in List I with items in List II and select the correct answer using the codes given below the Lists:

List I I. Adrenaline II. Estrogen III. Insulin IV. Pheromones

List II A) Anger, fear, danger B) Attracting partners through sense of smell C) Females D) Glucose

Codes:

(a) I-C, II-A, III-D, IV-B
(b) I-A, II-C, III-B, IV-D
(c) I-A, II-C, III-D, IV-B
(d) I-C, II-A, III-B, IV-D
Show answer
Answer: (c) I-A, II-C, III-D, IV-B

Neem tree has acquired industrial importance as a source of

(a) biopesticide and anti-fertility compound
(b) anti-fertility compound, biofertilizer and anti-cancer drug
(c) biofertilizer, biopesticide and anti-fertility compound
(d) anti-cancer drug, biopesticide and biofertilizer
Show answer
Answer: (a) biopesticide and anti-fertility compound

Match List I (Drugs / Chemicals) with List II (Their uses) and select the correct answer using the codes given below the Lists:

List I I. Atropine II. Ether III. Nitro-glycerine IV. Pyrethrin

List II A) Local anaesthesia B) Heart trouble C) Dilation of pupil D) Mosquito control

Codes:

(a) I-A, II-C, III-B, IV-D
(b) I-A, II-C, III-D, IV-B
(c) I-C, II-A, III-D, IV-B
(d) I-C, II-A, III-B, IV-D
Show answer
Answer: (d) I-C, II-A, III-B, IV-D

Match List I (Naturally occurring substances) with List II (Elements) and select the correct answer using the codes given below the Lists:

List I I. Diamond II. Marble III. Sand IV. Ruby

List II A) Calcium B) Silicon C) Aluminium D) Carbon

Codes:

(a) I-C, II-A, III-B, IV-D
(b) I-D, II-B, III-A, IV-C
(c) I-B, II-A, III-C, IV-D
(d) I-D, II-A, III-B, IV-C
Show answer
Answer: (d) I-D, II-A, III-B, IV-C

Which one of the following scholars suggests the earth’s origin from gases and dust particles?

(a) James Jeans
(b) H. Alfven
(c) F. Hoyle
(d) O. Schmidt
Show answer
Answer: (d) O. Schmidt

Indian farmers are unhappy over the introduction of “Terminator Seed Technology” because the seeds produced by this technology are expected to

(a) show poor germination
(b) form low yielding plants despite the high quality
(c) give rise to sexually sterile plants
(d) give rise to plants incapable of forming viable seeds
Show answer
Answer: (d) give rise to plants incapable of forming viable seeds

Consider the following statements regarding a motor car battery: I. The voltage is usually 12 V. II. Electrolyte used is hydrochloric acid. III. Electrodes are lead and copper. IV. Capacity is expressed in ampere-hour.

Which of the above statements are correct?

(a) I and II
(b) II and III
(c) III and IV
(d) I and IV
Show answer
Answer: (d) I and IV

Match List I (Quantity) with List II (Units) and select the correct answer using the codes given below the Lists:

List I I. High speed II. Wavelength III. Pressure IV. Energy

List II A) Mach B) Angstrom C) Pascal D) Joule

Codes:

(a) I-B, II-A, III-C, IV-D
(b) I-A, II-B, III-D, IV-C
(c) I-A, II-B, III-C, IV-D
(d) I-B, II-A, III-D, IV-C
Show answer
Answer: (c) I-A, II-B, III-C, IV-D

Which one of the following genetic diseases is sex-linked?

(a) Royal haemophilia
(b) Tay Sachs disease
(c) Cystic fibrosis
(d) Hypertension
Show answer
Answer: (a) Royal haemophilia

For which one of the following is capillarity not the only reason?

(a) Blotting of ink
(b) Rising of underground water
(c) Spread of water drop on a cotton cloth
(d) Rising of water from the roots of a plant to its foliage
Show answer
Answer: (b) Rising of underground water

Consider the following statements: I. If a person looks at a coin which is in a bucket of water, the coin will appear to be closer than it really is. II. If a person under water looks at a coin above the water surface, the coin will appear to be at a higher level than it really is.

Which of the above statements is/are correct?

(a) I and II
(b) I alone
(c) II alone
(d) Neither I nor II
Show answer
Answer: (a) I and II

Lathyrism is caused by excessive consumption of

(a) Kesari dal
(b) Mustard oil
(c) Polished rice
(d) Mushrooms
Show answer
Answer: (a) Kesari dal

Barium in a suitable form is administered to patients before an X-ray examination of the stomach, because

(a) barium allows X-rays to pass through the stomach on account of its transparency to X-rays
(b) barium compound, like magnesium sulphate helps in cleaning the stomach before X-ray examination
(c) barium is a good absorber of X-rays and this helps the stomach to appear clearly in contrast with the other regions in the picture
(d) barium salts are white in colour and this helps the stomach to appear clearly in contrast with other regions in the picture
Show answer
Answer: (c) barium is a good absorber of X-rays and this helps the stomach to appear clearly in contrast with the other regions in the picture

Endoscopy, a technique used to explore the stomach or other inner parts of the body is based on the phenomenon of

(a) total internal reflection
(b) interference
(c) diffraction
(d) polarisation
Show answer
Answer: (a) total internal reflection

Strips of two metals A and B are firmly joined together as shown in the figure. On heating, A expands more than B does. If this joined strip is heated, then it will appear as:

(a) As shown in figure (a)
(b) As shown in figure (b)
(c) As shown in figure (c)
(d) As shown in figure (d)
Show answer
Answer: (b) As shown in figure (b)
This question uses a table or figure from the original paper that is not reproduced here.

Which one of the following agricultural practices is eco-friendly?

(a) Organic farming
(b) Shifting cultivation
(c) Cultivation of high yielding varieties
(d) Growing plants in glass-houses
Show answer
Answer: (a) Organic farming

When ants bite, they inject

(a) glacial acetic acid
(b) methanol
(c) formic acid
(d) stearic acid
Show answer
Answer: (c) formic acid

Which one of the following is a useful functional association between fungi and the roots of higher plants?

(a) Biofertilizer
(b) Coralloid root
(c) Lichen
(d) Mycorrhiza
Show answer
Answer: (d) Mycorrhiza

Which one of the following types of coal contains a higher percentage of carbon than the rest?

(a) Bituminous coal
(b) Lignite
(c) Peat
(d) Anthracite
Show answer
Answer: (d) Anthracite

Cobalt-60 is commonly used in radiation therapy because it emits

(a) alpha rays
(b) beta rays
(c) gamma rays
(d) X-rays
Show answer
Answer: (c) gamma rays

Low temperatures (Cryogenics) find application in

(a) space travel, surgery and magnetic levitation
(b) surgery, magnetic levitation and telemetry
(c) space travel, surgery and telemetry
(d) space travel, magnetic levitation and telemetry
Show answer
Answer: (a) space travel, surgery and magnetic levitation

Consider the following statements:

I. Glass can be etched or scratched by diamond. II. Glass can be etched or scratched by hydrofluoric acid. III. Glass can be etched or scratched by aqua regia. IV. Glass can be etched or scratched by concentrated sulphuric acid.

Which of these statements are correct?

(a) I and IV
(b) II and III
(c) I and II
(d) II and IV
Show answer
Answer: (c) I and II

Assertion (A): To dilute sulphuric acid, acid is added to water and not water to acid.

Reason (R): Specific heat of water is quite large.

(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is not a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
Show answer
Answer: (a) Both A and R are true, and R is the correct explanation of A

Assertion (A): Insect-resistant transgenic cotton has been produced by inserting Bt gene.

Reason (R): The Bt gene is derived from a bacterium.

(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is not a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
Show answer
Answer: (a) Both A and R are true, and R is the correct explanation of A

Assertion (A): Dolly was the first cloned mammal.

Reason (R): Dolly was produced by in-vitro fertilization.

(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is not a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
Show answer
Answer: (c) A is true, but R is false
UPSC 1999 · Q131 · CSAT › Quantitative Aptitude · Save

In the sequence of numbers 5, 8, 13, X, 34, 55, 89, ……… the value of ‘X’ is

(a) 20
(b) 21
(c) 23
(d) 29
Show answer
Answer: (b) 21
UPSC 1999 · Q132 · CSAT › Logical Reasoning · Save

On another planet, the local terminology for earth, water, light, air and sky are ‘sky’, ‘light’, ‘air’, ‘water’ and ‘earth’ respectively. If someone is thirsty there, what would he drink?

(a) Sky
(b) Water
(c) Air
(d) Light
Show answer
Answer: (d) Light

In a business concern, there are four functions, namely, Production (PR), Finance (FN), Personnel (PS) and Marketing (MK). The Customer (C) may also play a role in the prosperity of the concern. Match List I with List II and select the correct answer using the codes given below the Lists:

List I – Pie Diagram I. II. III. IV.

List II – Statement A) Customer is the controlling factor B) Marketing is an integrating factor while customer is the controlling factor C) Marketing is the controlling factor D) Marketing is more important than others E) Marketing is as equal a function as the others

Codes: a) I-D, II-C, III-A, IV-B b) I-E, II-D, III-A, IV-B c) I-D, II-C, III-B, IV-E d) I-E, II-D, III-B, IV-A

(a) I-D, II-C, III-A, IV-B
(b) I-E, II-D, III-A, IV-B
(c) I-D, II-C, III-B, IV-E
(d) I-E, II-D, III-B, IV-A
Show answer
Answer: (c) I-D, II-C, III-B, IV-E
This question uses a table or figure from the original paper that is not reproduced here.
UPSC 1999 · Q134 · CSAT › Quantitative Aptitude · Save

The average speed of a train in the onward journey is 25% more than that of the return journey. The train halts for one hour on reaching the destination. The total time taken for the complete to-and-fro journey is 17 hours covering a distance of 800 km. The speed of the train in the onward journey is

(a) 45 km per hour
(b) 47.06 km per hour
(c) 50.00 km per hour
(d) 56.25 km per hour
Show answer
Answer: (d) 56.25 km per hour
UPSC 1999 · Q135 · CSAT › Quantitative Aptitude · Save

In a town 25% families own a phone and 15% own a car. 65% families own neither a phone nor a car. 2000 families own both a car and a phone. Consider the following statements in this regard: I. 10% families own both a car and a phone. II. 35% families own either a car or a phone. III. 40,000 families live in the town.

Which of the above statements are correct?

(a) I and II
(b) I and III
(c) II and III
(d) I, II and III
Show answer
Answer: (c) II and III
UPSC 1999 · Q136 · CSAT › Data Interpretation · Save

The yield versus fertilizer input is shown in the graph. Consider the following statements based on this graph: I. Yield rate is zero at B and C. II. There is no yield with no fertilizer input. III. The yield is minimum at D. IV. The yield is neither minimum nor maximum at C.

Which of the above statements are correct? The original graph is not available for this question.

(a) I, II and IV
(b) III and IV
(c) II and III
(d) I, III and IV
Show answer
Answer: (b) III and IV
This question uses a table or figure from the original paper that is not reproduced here.
UPSC 1999 · Q137 · CSAT › Logical Reasoning · Save

In a code language, ‘SOLID’ is written as “WPSLIMFHA’. What does the code word ‘ATEXXQIBVO’ refer to?

(a) EAGER
(b) WAFER
(c) WAGER
(d) WATER
Show answer
Answer: (d) WATER
UPSC 1999 · Q138 · CSAT › Data Interpretation · Save

A company manufacturing air-conditioners has set a monthly target. The target and realised values are shown in the bar chart. Consider the following statements based on the chart: I. The targeted sales on a monthly basis have been achieved. II. The overall target value has been exceeded by 7.5%. III. The Sales Department deserves a pat on the back.

Which of the above statements is/are correct?

(a) I alone
(b) II alone
(c) I and II
(d) II and III
Show answer
Answer: (d) II and III
This question uses a table or figure from the original paper that is not reproduced here.
UPSC 1999 · Q139 · CSAT › Logical Reasoning · Save

In a group of five people—K, L and M are ambitious; M, N and R are honest; L, M and N are intelligent and K, N and R are industrious. Among these, neither industrious nor ambitious person(s) would include

(a) K alone
(b) L and R
(c) M and N
(d) None in the group
Show answer
Answer: (d) None in the group
UPSC 1999 · Q140 · CSAT › Quantitative Aptitude · Save

A man is standing on the 8 m long shadow of a 6 m long pole. If the length of his shadow is 2.4 m, what is the height of the man?

(a) 1.4 m
(b) 1.6 m
(c) 1.8 m
(d) 2.0 m
Show answer
Answer: (c) 1.8 m
UPSC 1999 · Q141 · CSAT › Quantitative Aptitude · Save

If the angles of a triangle are in the ratio of 4 : 3 : 2, then the triangle

(a) is obtuse
(b) has one angle greater than 80°
(c) is a right triangle
(d) is acute
Show answer
Answer: (d) is acute
UPSC 1999 · Q142 · CSAT › Quantitative Aptitude · Save

The surface area of a spherical dome-shaped roof of a cylindrical water tank shown in the figure is The original figure is not available for this question.

(a) 60 π m²
(b) 109 π m²
(c) 120 π m²
(d) 300 π m²
Show answer
Answer: (b) 109 π m²
This question uses a table or figure from the original paper that is not reproduced here.
UPSC 1999 · Q143 · CSAT › Quantitative Aptitude · Save

If X + 2Y = 2X + Y, then X² / Y² is equal to

(a) 0
(b) 1
(c) 2
(d) 4
Show answer
Answer: (b) 1
UPSC 1999 · Q144 · CSAT › Quantitative Aptitude · Save

A hemispherical bowl is filled to the brim with a beverage. The contents of the bowl are transferred into a cylindrical vessel whose radius is 50% more than its height. If the diameter is the same for both bowl and cylinder, then the volume of the beverage in the cylindrical vessel will be

(a) 66 (2⁄3) %
(b) 78 ¾ %
(c) 100 %
(d) more than 100 % (some liquid will still be left in the bowl)
Show answer
Answer: (c) 100 %

A hunter aims his gun at a point between the eyebrows of a monkey sitting on a branch of a tree. Just as he fires, the monkey jumps down. The bullet will

(a) hit the monkey at the point aimed
(b) hit the monkey below the point aimed
(c) hit the monkey above the point aimed
(d) miss the monkey altogether
Show answer
Answer: (a) hit the monkey at the point aimed
UPSC 1999 · Q146 · CSAT › Data Interpretation · Save

In an office, the distribution of work hours is as shown in the following table: No. of Staff Members | No. of hours worked 5 | 0 – 19 12 | 20 – 24 25 | 25 – 29 40 | 30 – 34 15 | 35 – 39 8 | 40 – 45 Consider the following inferences drawn from the table: I. The average number of hours worked by a staff member is about 30. II. The percentage of those who worked 35 or more hours is less than 25. III. At least 5 staff members worked more than 44 hours.

Which of these inferences is/are valid?

(a) I alone
(b) II alone
(c) I and II
(d) I, II and III
Show answer
Answer: (c) I and II
This question uses a table or figure from the original paper that is not reproduced here.
UPSC 1999 · Q148 · CSAT › Quantitative Aptitude · Save

At a given time, two players are standing on a play-field. The cartesian coordinates of their locations are (20, 60) and (-40, -20) units. What is the distance between the players?

(a) 60 units
(b) 80 units
(c) 100 units
(d) 140 units
Show answer
Answer: (c) 100 units
UPSC 1999 · Q149 · CSAT › Quantitative Aptitude · Save

The area of an ellipse is twice that of a circle. The major diameter of the ellipse is twice that of the minor diameter. The radius of the circle is

(a) 50% of minor diameter of the ellipse
(b) 50% of major diameter of the ellipse
(c) minor diameter of the ellipse
(d) major diameter of the ellipse
Show answer
Answer: (a) 50% of minor diameter of the ellipse
UPSC 1999 · Q150 · CSAT › Quantitative Aptitude · Save

Amar, Akbar and Anthony are friends, being looked after by a matron Farah. Amar weighs 50% more than Akbar and Anthony weigh 25% less than Amar. Farah weighs a third of the combined weight of the three boys. All four together weigh 232 kg. The correct arrangement of the persons in the ascending order of their weights is

(a) Anthony, Akbar, Farah, Amar
(b) Anthony, Akbar, Amar, Farah
(c) Akbar, Anthony, Amar, Farah
(d) Akbar, Anthony, Farah, Amar
Show answer
Answer: (d) Akbar, Anthony, Farah, Amar