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Exam Year: 2001

  • Consider the following statements : In a nuclear reactor, self-sustained chain reaction is possible, because I. more neutrons are released in each of the fission reactions. II. the neutrons immediately take part in the fission process. III. the fast neutrons are slowed down by Graphite. IV. every neutron realeased in the fission reaction initiates further fission. Which of these statements are correct ?

    (a)

    I, II and III

    (b)

    I and III

    (c)

    II and IV

    (d)

    II, III and IV

    Correct Answer:

  • Assertion (A): A piece of copper and a piece of glass are heated to the same temperature. When touched, thereafter, the copper piece appears hotter than the glass piece. Reason (R): The density of copper is more than that of glass.

    (a)

    Both A and R are individually true and R is the correct explanation of A

    (b)

    Both A and R are individually 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:

  • When water is heated from 0°C to 10°C, its volume

    (a)

    increases

    (b)

    decreases

    (c)

    does not change

    (d)

    first decreases and then increases

    Correct Answer:

  • Assertion (A): The boiling point of water decreases as the altitude increases. Reason (R): The atmospheric pressure increases with altitude.

    (a)

    Both A and R are individually true and R is the correct explanation of A

    (b)

    Both A and R are individually 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:

  • When lightwaves pass from air to glass, the variables affected are

    (a)

    Wavelength, frequency and velocity

    (b)

    Velocity and frequency

    (c)

    Wavelength and frequency

    (d)

    Wavelength and velocity

    Correct Answer:

  • Two wires have their lengths, diameters and resistivities, all in the ratio of 1 : 2. If the resistance of the thinner wire is 10 ohms, the resistance of the thicker wire is

    (a)

    10 ohms

    (b)

    5 ohms

    (c)

    20 ohms

    (d)

    40 ohms

    Correct Answer:

  • Assertion (A): A stick is dipped in water in a slanting position. If observed sideways, the stick appears short and bent at the surface of water. Reason (R): The light coming from the stick undergoes scattering from water molecules giving the stick a short and bent appearance.

    (a)

    Both A and R are individually true and R is the correct explanation of A

    (b)

    Both A and R are individually 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:

  • The earlier name of WTO was

    (a)

    UNCTAD

    (b)

    GATT

    (c)

    UNIDO

    (d)

    OECD

    Correct Answer:

    (b)

  • A class of animals known as Marsupials is a characteristic feature of

    (a)

    Africa

    (b)

    Australia

    (c)

    South America

    (d)

    South-East Asia

    Correct Answer:

    (b)

  • The location of the space organisation units have been marked in the given map as 1, 2, 3 and 4. Match these units with the list given and select the correct answer using the codes given below the Lists : A. ISRO B. IIRS C. NRSA D. SAC

    (a)

    A-4;B-1;C-2;D-3

    (b)

    A-1;B-4;C-3;D-2

    (c)

    A-1;B-4;C-3;D-2

    (d)

    A-4;B-1;C-3;D-2

    Correct Answer: