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Exam Year: 1996

  • Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures and also have high hardness and abrasion resistance ?

    (a)

    Aluminium

    (b)

    Chromium

    (c)

    Nickel

    (d)

    Tungsten

    Correct Answer:

  • Match List I (Physiological processes) with List II (Cell organelles) and select the correct answer by using the codes given below the lists

    (a)

    I – A, II – B, III – C, IV – D

    (b)

    I – A, II – B, III – D, IV – C

    (c)

    I – B, II – A, III – C, IV – D

    (d)

    I – B, II – A, III – D, IV – C

    Correct Answer:

  • The alpha-particle carries two positive charges. Its mass is very nearly equal to that of

    (a)

    two protons

    (b)

    an atom of helium

    (c)

    sum of masses of two positrons and two neutrons

    (d)

    two positrons as each positron carries a single positive charge

    Correct Answer:

  • The offending substance in the liquor tragedies leading to blindness, etc.. is

    (a)

    ethyl alcohol

    (b)

    amyl alcohol

    (c)

    benzyl alcohol

    (d)

    methyl alcohol

    Correct Answer:

  • ‘Diamond Ring’ is a phenomenon observed

    (a)

    at the start of a total solar eclipse

    (b)

    at the end of a total solar eclipse

    (c)

    only along the peripheral regions of the totality trial

    (d)

    only in the central regions of the totality trial

    Correct Answer:

    (c)

  • A simple machine helps a person doing

    (a)

    less work.

    (b)

    the same amount of work with lesser force.

    (c)

    the same amount of work.

    (d)

    the same amount of work much faster.

    Correct Answer:

  • Consider the following statements : A person in a spaceship located half way between the earth and the sun will notice that the I. Sky is jet black. II. Stars do not twinkle. III. Temperature outside the spaceship is much higher than that on the surface of the earth. Of these statements

    (a)

    Only III is correct

    (b)

    I and II are correct

    (c)

    I and III are correct

    (d)

    I, II and III are correct

    Correct Answer:

  • Domestic electrical wiring is basically a

    (a)

    series connection

    (b)

    parallel connection

    (c)

    combination of series and parallel connections

    (d)

    series connection within each room and parallel connection elsewhere

    Correct Answer:

  • Consider the following statements : At the present level of technology available in India, solar energy can be conveniently used to
    I. supply hot water to residential buildings.
    II. supply water for minor irrigation projects.
    III. provide street lighting.
    IV. electrify a cluster of villages and small towns. Of these statements

    (a)

    I, II, III and IV are correct.

    (b)

    II and IV are correct

    (c)

    I and III are correct

    (d)

    I, II and III are correct

    Correct Answer:

    (a)

  • Assertion (A): Transformer is useful for stepping up or stepping down voltages. Reason (R): Transformer is a device used in D.C. circuits. In the context of the above two statements, which one of the following is correct ?

    (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: