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UPSC Prelims 1995

147 questions, in the order they were asked.

1995 · Q129Science & TechnologyHealth & Diseaseseasy

“It begins as a single cell and grows into a merciless disease that claims millions of lives year after year. But scientists are steadily unlocking its mysteries, and the fight against it may now have reached a dramatic turning point. New discoveries promise better therapies and hope in the war against ...” The disease referred to in the above quotation is

  1. (a)Cancer
  2. (b)AIDS
  3. (c)Tuberculosis
  4. (d)Alzheimer’s disease
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Official answer(a) Cancer

1995 · Q133Science & TechnologyLogical Reasoning & Puzzlesmoderate

Examine the following statements: I watch TV only if I am bored. I am never bored when I have my brother’s company. Whenever I go to the theatre, I take my brother along. Which one of the following conclusions is valid in the context of the above statements?

  1. (a)If I am bored, I watch TV
  2. (b)If I am bored, I seek my brother’s company
  3. (c)If I am not with my brother, then I watch TV
  4. (d)If I am not bored, I do not watch TV
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Official answer(d) If I am not bored, I do not watch TV

1995 · Q135Science & TechnologyLogical Reasoning & Puzzlesdifficult

Seven men, A, B, C, D, E, F and G are standing in a queue in that order. Each one is wearing a cap of a different colour like violet, indigo, blue, green, yellow, orange and red. D is able to see in front of him green and blue but not violet. E can see violet and yellow, but not red. G can see caps of all colours other than orange. If E is wearing an indigo-coloured cap, then the colour of the cap worn by F is

  1. (a)blue
  2. (b)violet
  3. (c)red
  4. (d)orange
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Official answer(c) red

1995 · Q144Indian EconomyNational Income & Economic Growthmoderate

Consider the diagram given below: (Pie-chart showing family expenditure with segments labelled T: Transport, Ec: Education of children, H: Housing, C: Clothing, F: Food, S: Savings, O: Others.) From the diagram shown it would be right to conclude that

  1. (a)the family spent more than half the income on food and clothing
  2. (b)the amount saved by the family was too little
  3. (c)the family had no health problems
  4. (d)the family managed to meet all the essential expenses out of the income earned
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Official answer(d) the family managed to meet all the essential expenses out of the income earned

1995 · Q145Environment & EcologyPollution & Waste Managementmoderate

Consider the table given below providing details of traffic volume per hour for four locations (showing total traffic volume, % of heavy vehicles, average noise level in dB(A) and noise-pollution level in dB(A)). When the total traffic volume is the same, the factor(s) which affect(s) the noise-pollution level is/are

  1. (a)% of heavy vehicles
  2. (b)noise-pollution level and average noise level
  3. (c)average noise level and % of heavy vehicles
  4. (d)indeterminable on the basis of details given
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Official answer(a) % of heavy vehicles

1995 · Q146Indian EconomyFinancial Markets & Capital Marketsdifficult

The price fluctuations of 4 scrips in a stock market in the four quarters of a year are shown in the table below. Four different investors had the following portfolios of investment in the four companies throughout the year: Investor 1: 10 of A, 20 of B, 30 of C and 40 of D Investor 2: 40 of A, 10 of B, 20 of C and 30 of D Investor 3: 30 of A, 40 of B, 10 of C and 20 of D Investor 4: 20 of A, 30 of B, 40 of C and 10 of D In the light of the above, which one of the following statements is correct?

  1. (a)Investor 2 has made the best investment
  2. (b)Investor 1 has made the best investment
  3. (c)Investor 2 suffered a net loss during the year
  4. (d)Investor 3 suffered a net loss during the year
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Official answer(b) Investor 1 has made the best investment

1995 · Q147Science & TechnologyQuantitative Aptitudemoderate

X and Y are two variables whose values at any time are related to each other as shown in Fig. (i). X is known to vary periodically with reference to time as shown in Fig. (ii). Which of the following curves depicts correctly the dependence of Y on time?

  1. (a)curve (a) shown in the figure
  2. (b)curve (b) shown in the figure
  3. (c)curve (c) shown in the figure
  4. (d)curve (d) shown in the figure
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Official answer(c) curve (c) shown in the figure

1995 · Q149Science & TechnologyLogical Reasoning & Puzzleseasy

Which of the following can be inferred from the statement that “Either John is stupid or John is lazy”? I. John is lazy / therefore, John is not stupid. II. John is not lazy / therefore, John is stupid. III. John is not stupid / therefore, John is lazy. IV. John is stupid / therefore, John is not lazy. Choose the correct answer from the codes given below:

  1. (a)I and II
  2. (b)II and III
  3. (c)III and IV
  4. (d)I and IV
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Official answer(b) II and III

1995 · Q150Science & TechnologyQuantitative Aptitudedifficult

A person earns Rs 2000 per month over and above his salary as additional charge allowance. However, 30 % of this additional income will be deducted as additional income tax at source. If the person would deposit Rs 1000 per month in a long-term saving fetching 12 % interest, his tax liability on the additional allowance would reduce to 10 %. What is the effective interest for this person for money invested in the long-term savings scheme?

  1. (a)12 %
  2. (b)18 %
  3. (c)19 %
  4. (d)20 %
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Official answer(b) 18 %