UPSC Aptitude-General Contributed by Prakash updated on Oct 2020
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                                           CAPF Model Question Paper

1. The sum of the base and altitude of a triangle is 30 cm. What is the maximum possible area of such a triangle?
(a) 100cm2
(b) 110cm2
(c) 112.5 cm2
(d) 120 cm2

2. Through how many degrees does the hour hand in a clock move as the time changes from 3 hours and 12 minutes to 6 hours?
(a) 105
(b) 99
(C) 90
(d) 84

3. If 5 persons can weave 160 mats in 8 days, how many mats will 8 persons weave in 6 days?
(a) 200
(b) 192
(c) 190
(d) 180

4. Two cars are moving in the same direction with a speed of 45 km/hr and a distance of 10 km separates them. If a car coming from the opposite direction meets these two cars at an interval of 6 minutes, its speed would be
(a) 45 km/hr
(b) 55 km/hr
(c) 65 km/hr
(d) 75 km/hr

5. The least integer whose multiplication with 588 leads to a perfect square is
(a) 2
(b) 3
(c) 4
(d) 7

6. The fifth term of the alphabet series BCYX, EFVU, HISR, KLPO,..is
(a) NOML
(b) NOLM
(c) ONML
(d) ONLM

7. By selling an article at f 270, a man loses 10%. If he would sell it at 360, his gain percent is
(a) 10 
(b) 15
(c) 20
(d) 25

8. In a certain code, 'PLANT' is written as '$@2*©' and 'YIELD' is written as 1364@%'. How is 'DELAY' written in that code?
(a) f34*2% 
(b) 134@2%
(c) %42@3 
(d) %4@211

9. If A is coded as 1, B as 3, C as 5 and so on, which of the following is the numerical value of the word `FAZED' if the numerical value of 'CABLE' is 41?
(a) 81 
(b) 80
(c) 79 
(d) 77

10. Natural gas is a mixture of gases and contains mainly 
(a) methane and higher hydro-carbons
(b) butane and isobutene
(c) methane only
(d) methane, hydrogen and carbon monoxide

11. Diamond is a polymorph of graphite.Both contain carbon atoms, but they have extremely different properties because of the condition in which they are formed. Diamond is obtained after applying
(a) very high pressure and low temperature
(b) very low pressure and high temperature
(c) very low pressure and low temperature
(d) very high pressure and high temperature

12. The three primary soil micro-nutrients are
(a) carbon, oxygen and water
(b) copper, cadmium and carbon
(c) nitrogen, phosphorus and potassium.
(d) boron, zinc and magnesium

13. Diamond Ring, God's Eye and Baily's Beads are the parts of which one among the following natural phenomena?
(a) Solar eclipse
(b) Aurora
(c) Lightning
(d) Solar storm

14. 'Turing machine' serves as 
(a) a machine to identify explosives
(b) an indicator to inform about forest fire
(c) an instrument for finding out gravitational constant
(d) a theoretical computing machine to act as an ideal model for mathematical calculation

15. Leaves of lotus and water lily are not easily wet because the leaves
(a) have surface uneven in micro-scale and water cannot come into contact with the depressed areas due to high surface tension
(b)contain an oily substance
(c) contain a greasy substance
(d) have surface too smooth to attract water

16. Leaves of lotus and water lily are not easily wet because the leaves 
(a) have surface uneven in micro-scale and water cannot come into contact with the depressed areas due to high surface tension 
(b)contain an oily substance
(c) contain a greasy substance
(d) have surface too smooth to attract water

17. Arsenic present in groundwater can be partially removed
(a) along with removal of iron by precipitation/ coagulation method if iron is also present in the water
(b) on boiling even if iron is absent in the water
(c) on UV-treatment
(d) on filtration even if iron is absent in the water

18. Transformer is used to
1. convert low a.c. voltage to high voltage
2. convert high a.c. voltage to low voltage
3. convert direct current to alternating current
4. regulate the fluctuation of voltage
Select the correct answer using the code given below.
(a) 1 and 3 only
(b) 3 and 4
(c) 1 and 2 only
(d) 1, 2 and 3

19. The filament of electric bulb is generally made of tungsten because
(a) tungsten is cheap
(b) durability of tungsten is high
(c) light-emitting power of tungsten is high
(d) melting point of tungsten is high

20. Electricity meter may be a/an
(a) mainframe. computer
(b) microcomputer
(c) hybrid computer
(d) analog computer

21. Advanced sunrise and delayed sun-set found in the sky are due to the phenomenon of
(a) diffraction of sunlight
(b) refraction of sunlight
(c) scattering of sunlight
(d) total internal reflection of sun-light

22. The formation of colours in soap bubbles is due to the phenomenon of
(a) dispersion of light
(b) interference of light
(c) diffraction of light
(d) polarization of light

23. Geostationary satellite completes its one revolution around the earth in
(a) 90 minutes
(b) 24 hours
(c) 30 days
(d) 365 days

24. What is the correct sequence of conductivity when arranged in ascending order?
(a) Metals, semiconductors, insulators
(b) Insulators, metals, semi-conductors
(c) Semiconductors, metals,insulators
(d) Insulators, semiconductors,metals

25. Which one among the following statements about `modem' is correct?
(a) Modem is a software
(b) Modem helps in stabilizing the voltage
(c) Modem is an operating system
(d) Modem converts the analog signal into digital signal and vice versa

26. Which one among the following is not a form of carbon?
(a) Graphene
(b) Graphite
(c) Fullerene
(d) Quartz

27. Plants capable of performing photo-synthesis belong to which one among the following types of organisms?
(a) Heterotrophs
(b) Saprotrophs
(c) Autotrophs
(d) Chemoheterotrophs

28. With reference to India, which of the following statements relating to urbanization is/are correct? 
1., It is a manifestation of economic, social and political progress.
2. Rapid growth of urban population puts pressure on public utilities.
3. Urban sprout is encroaching the precious agricultural land. 
Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3

29. Which of the following statements regarding landslides is/are correct?
1. They are sudden and sporadic.
2. They result when the slope is gentle.
3. Mining activity is also responsible for landslides.

Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 1 and 3 only
(c) 3 only
(d) 1, 2 and 3

30. Which of the following statements related to globalization is/are correct?
1. It has resulted in the change of scale in economic activities.
2. End of Cold War facilitated globalization.
3. Flow of money in transnational corporations is discouraged.

Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 1 only
(c) 2 and 3 only
(d) 1, 2and 3

31. The continent having the largest area in the equatorial belt is
(a)Asia
(b) South America
(c) Africa
(d) North America

32. Which of the following statements are correct?
1. Sediments of Gondwana System were deposited under marine condition.
2. Rocks of Gondwana System are fossiliferous.
3. Rocks of Gondwana System contain metallic mineral deposits.
4. Gondwana deposition took place in downfaulted trough.
Select the correct answer using the code given below.
(a) 1, 2and 3
(b) 1, 2and 4
(c) 2 and 4 only
(d) 1 and 3 only

33. Which one amongthefollowing statements is not correct?
(a)Shillong Plateau is an outlier of Peninsular Plateau of India 
(b) Aravalli Mountain is the oldest mountain chain of India 
(c) Vindhyans are examples of fold mountain
(d) Rajmahal Highlands are composed of lava deposits

34. Which one among the following systems contains the oldest rock formation of India?
(a) Aravalli System
(b) Archean System
(c) Cuddapah System
(d) Vindhyan System

35. Which one among the following is not correct regarding the black soils of Peninsular India?
(a) Rich in iron, lime and potash
(b) Retentive in moisture
(c) Fertile and well-suited for growing sugarcane
(d) Rich in phosphorus and organic matter

36. Which one among the following places in India is . nearest to the Tropic of Cancer?
(a) Aizawl
(b) Rajkot
(c) Kolkata
(d) Imphal

37. Which one among the following States shares common boundaries with maximum number of other States?
(a) Madhya Pradesh
(b) West Bengal
(c) Chhattisgarh
(d) Andhra Pradesh

38. The State of Sikkim is surrounded by
(a) China, Nepal, Bhutan and West Bengal
(b) Bhutan, Nepal, West Bengal and .Assam
(c) China, Nepal, West Bengal and Assam
(d) China, Bhutan, West Bengal and Assam

39. Khumbum monastery is situated in
(a)India
(b) Thailand
(c)China
(d) Japan

40. The place located at the confluence of Alakananda and Pindar rivers is
(a) Rudraprayag
(b) Karnaprayag
(c) Devaprayag
(d) Vishnuprayag

41. Which one among the following ocean currents mixes with Labrador current?
(a)Canaries current
(b) Benguela current
(c) Florida current
(d) California current

42. The Wallace's Line distinguishes or separates the flora and fauna between
(a) Canada and USA
(b) Taiga region and Tundra region
(c) Mexico and Central America
(d) South-East Asia and Australasia

43. Which one among the following is the major occupation in equatorial region?
(a)Growing of tropical crops
(b)Growing of cereals
(c) Growing of citrus fruits
(d) Animal rearing

44. Mahatma Gandhi's opposition to separate electorates for untouchables was because
(a) separate electorates would ensure them bondage in perpetuity
(b) of the apprehension of offending the conservative high caste Hindus
(c) it would. weaken Mahatma Gandhi's position as a leader
(d) None of the above

45. Various causes have been suggested for the decline of Harappan culture.Consider the causes mentioned below and identify the weakest of them.
(a) Due to constant incidents of naturally occurring floods 
(b) Due to increase in the salinity of the soil, fertility decreased there
(c) Earthquakes caused changes in the course of the Indus,which led to inundation
(d) The Aryans invaded and destroyed the Harappan culture

46. Which one among the following inscriptions was installed in the easternmost part of Ashoka's territory?
(a) Barabar hill cave inscription
(b) Dhauli major rock edicts
(c) Sahasram minor rock edicts
(d) Lauriya Araraj pillar edicts

47. The prevalence of grain in Harappan sites indicated that
(a) Harappans ploughed their fields
(b) Harappans broadcast seed on their fields
(c) agriculture was prevalent in Harappan sites
(d) trade in bulk items like food grains was well-established in Harappan times

48. Which one among the following statements about industries in colonial India is not correct?
(a) The jute industry was almost entirely owned by Europeans
(b) The cotton textile industry was almost wholly owned by Indians
(c) The cotton textile industry was small in size
(d) The growth of. cotton industry was the result of government support

49. The establishment of Mughal rule in India
1. strengthened urbanization
2. strengthened inter-urban contact in riparian North India
3. increased India's sea trade
4. decreased the risk of carrying long-distance trade
Select the correct answer using the code given below.
(a) 1, 2and3
(b) 1 and 2 only
(c) 3 and 4
(d) 1 only

50. The first major boost to modern industry in India happened in the 1860s. It was a direct result of
(a) the demand created in America because of the Civil War
(b) the demand created in Europe because of the Civil War in America
(c) the decline in competition from the cotton mills of Lancashire and Manchester
(d) the support of government to industries in India

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