June 12, 2024
The main precursors of winter smog are
  • (A) N2O and hydrocarbons
  • (B) NOx and hydrocarbons
  • (C) SO2 and hydrocarbons
  • (D) SO2 and ozone
Match List I with List II:
List I (Acid) = List II (Source)
(a) Ascorbic acid = (i) Apples and pears
(b) Malic acid = (ii) Ant stings
(c) Formic acid = (iii) Tamarind and grapes
(d) Tartaric acid = (iv) All citrus fruits
  • (A) a-ii, b-iii, c-iv, d-i
  • (B) a-iv, b-iii, c-ii, d-i
  • (C) a-iv, b-i, c-ii, d-iii
  • (D) a-iv, b-iii, c-i, d-ii
There are two statements given below:
Statement I : Steam produces less severe burns than water at the same temperature.
Statement II : Dry ice is colder than regular ice. In the light of the above statements, choose the most appropriate answer from the options given below:
  • (A) Both Statement I and Statement II are correct
  • (B) Both Statement I and Statement II are incorrect
  • (C) Statement I is correct and Statement II is incorrect
  • (D) Statement I is incorrect and Statement II is correct
Arrange the following electromagnetic waves according to the increasing frequency :
(1) Gamma rays
(2) X-rays
(3) Radio waves
(4) Microwaves
  • (A) (3), (4), (2), (1)
  • (B) (1), (2), (4), (3)
  • (C) (2), (1), (4), (3)
  • (D) (4), (3), (1), (2)
What is the SI unit of amount of Substance?
  • (A) Mol
  • (B) Coulomb
  • (C) Calori
  • (D) Mole
Which of the following statements is correct ?
  • (A) A very small opaque object does not change the straight path of light.
  • (B) Convex mirrors are generally used in torches.
  • (C) The mass density of kerosene is less than that of water.
  • (D) The ability of a medium to reflect light is expressed as optical density.
Match List I with List II and choose the correct answer from the given options
Action = Related to
A. Peristaltic movement = 1. Saliva
B. Gastric Glands = 2. Alimentary Canal
C. Amylase = 3. Inner lining of Stomach
D. Bile Juice = 4. Liver
  • (A) A – 4, B – 3, C – 2, D – 1
  • (B) A – 3, B – 4, C – 1, D – 2
  • (C) A – 1, B – 2, C – 3, D – 4
  • (D) A – 2, B – 3, C – 1, D – 4
Dental alloy for teeth filling contains:
  • (A) Silver, mercury, tin, copper and zinc
  • (B) Siler, gold, tin, copper and zinc
  • (C) Silver, mercury, tin, copper and aluminium
  • (D) Gold, mercury, tin, copper and zinc
Which of the following processes does not occur in the water cycle
  • (A) Condensation
  • (B) Infiltration
  • (C) Evaporation
  • (D) Composition
Which part of the brain maintains posture and equilibrium of the body?
  • (A) Fore-brain
  • (B) Mid-brain
  • (C) Hind-brain
  • (D) Spinal cord

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