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Exam Year: 2000

  • Consider the following features of newer models of motor cars : I. Radial tyres II. Streamlined body III. Multipoint fuel injection IV. Catalytic converter with exhaust Which of these features make the newer models of motor cars more fuel efficient ?

    (a)

    I and II

    (b)

    II and III

    (c)

    II, III and IV

    (d)

    I, III and IV

    Correct Answer:

  • Fluorescent tubes are fitted with a choke. The choke coil

    (a)

    steps up the line voltage

    (b)

    steps down the line voltage

    (c)

    reduce current in the circuit

    (d)

    chokes low frequency currents

    Correct Answer:

  • A noise level of 100 decibels would correspond to

    (a)

    just audible sound

    (b)

    ordinary conversation

    (c)

    sound from a noisy street

    (d)

    noise from a machine-shop

    Correct Answer:

  • A ‘black hole’ is a body in space which does not allow any radiation to come out. This property is due to its

    (a)

    very small size

    (b)

    very large size

    (c)

    very high density

    (d)

    very low density

    Correct Answer:

    (c)

  • Which one of the following does a TV remote control unit use to operate a TV set ?

    (a)

    Light waves

    (b)

    Sound waves

    (c)

    Micro waves

    (d)

    Radio waves

    Correct Answer:

  • In an open economy, the national income (Y) of the economy is : (C, I, G, X, M stand for Consumption, Investment, Govt. Expenditure, total exports and total imports respectively.)

    (a)

    Y = C + I + G + X

    (b)

    Y = C + I + G – X + M

    (c)

    Y = C + I + G + (X – M)

    (d)

    Y = C + I – G + X – M

    Correct Answer:

    (c)

  • Assertion (A) : The origin of feudal system in ancient India can be traced to military campaigns. Reason (R) : There was considerable expansion of the feudal system during the Gupta period.

    (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

    Correct Answer:

  • Assertion (A) : The basic weakness of the early nationalist movement lay in its narrow social base. Reason (R) : It fought for the narrow interests of the social groups which joined it.

    (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

    Correct Answer:

  • Assertion (A) : Ashoka annexed Kalinga to the Mauryan Empire. Reason (R) : Kalinga controlled the land and sea routes to South India.

    (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

    Correct Answer:

  • Assertion (A) : The emphasis of Jainism on non-violence (ahimsa) prevented agriculturalists from embracing Jainism. Reason (R) : Cultivation involved killing of insects and pests.

    (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

    Correct Answer: