💥Join UPSC 2027,2028 Mentorship (July Batch) + XFactor Notes & Microthemes PDF
Talk to Mentor

Civilsdaily

Login

Exam Year: 1998

  • Assertion (A) : Sodium metal is stored under kerosene. Reason (R): Metallic sodium melts when exposed to air.

    (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:

    (c)

  • Assertion (A) : The temperature of a metal wire rises when an electric current is passed through it. Reason (R): Collision of metal atoms with each other releases heat energy.

    (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:

    (a)

  • Assertion (A) : Formic acid is a stronger acid than acetic acid. Reason (R): Formic acid is an organic acid.

    (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:

  • One Astronomical Unit is the average distance between

    (a)

    Earth and the Sun

    (b)

    Earth and the Moon

    (c)

    Jupiter and the Sun

    (d)

    Pluto and the Sun

    Correct Answer:

    (a)

  • The complete conversion of glucose In the presence of oxygen into carbon dioxide and water with release of energy is called

    (a)

    aerobic respiration

    (b)

    anaerobic respiration

    (c)

    glycolysis

    (d)

    hydrolysis

    Correct Answer:

    (a)

  • The major chemical compound found in human kidney stones is

    (a)

    Uric acid

    (b)

    Calcium carbonate

    (c)

    Calcium oxalate

    (d)

    Calcium sulphate

    Correct Answer:

  • Ergotism is due to consumption of

    (a)

    contaminated grains

    (b)

    rotting vegetables

    (c)

    contaminated water

    (d)

    stale cooked food

    Correct Answer:

    (a)

  • Which one of the following statements regarding starch and cellulose is not correct ?

    (a)

    Both of them are of plant origin

    (b)

    Both of them are polymers

    (c)

    Both of them give colour with iodine

    (d)

    Both of them are made up of glucose molecules

    Correct Answer:

  • A tree species in Mauritius failed to reproduce because of the extinction of a fruit-eating bird. Which one of the following was that bird ?

    (a)

    Dove

    (b)

    Dodo

    (c)

    Condor

    (d)

    Skua

    Correct Answer:

  • Match the names of outstanding Indian scientists given in List I with area of their specialised work given in List II and select the correct answer using the codes given below the lists

    (a)

    I-C, II-E, III-B, IV-A

    (b)

    I-B, II-A, III-D, IV-C

    (c)

    I-B, II-E, III-D, IV-C

    (d)

    I-C, II-A, III-D, IV-B

    Correct Answer: