Explore a curated collection of the most frequently asked Multiple Choice Questions (MCQs) in Everyday Science, perfect for competitive exams such as CSS, PMS, Inspector, ASI, Sub-inspector, Constable, FPSC, PPSC, ETEA, FIA, as well as opportunities in the Police, Army, Navy, Airforce, IB, MOFA, ASF, LHC, Educators, and various government and private job sectors. These MCQs have been carefully selected from past papers.

How is heat transferred in gases?

  • A) radiation
  • B) convection
  • C) conduction
  • D) none

Correct Answer: B) convection

What is the energy of matter in motion called?

  • A) Potential Energy
  • B) Projectile
  • C) Kinetic energy
  • D) Resistance

Correct Answer: C) Kinetic energy

For a fixed mass of gas at a constant temperature, what happens to the pressure if we decrease the volume?

  • A) also decrease
  • B) increase
  • C) remains constant
  • D) none of these

Correct Answer: B) increase

What is the Angstrom unit used to measure?

  • A) Length
  • B) Force
  • C) Heat
  • D) Resistance

Correct Answer: A) Length

What is the SI unit of “pressure”?

  • A. Pascal
  • B. Joule
  • C. Tesla
  • D. Henry

Correct Answer: A. Pascal

What is the lowest audible frequency for the human ear?

  • A. 20 Hz
  • B. 22 Hz
  • C. 23 Hz
  • D. None

Correct Answer: A. 20 Hz

What are common food sources of Vitamin A?

  • A. White sugar, honey, and sugar cane
  • B. Milk, eggs, butter, cheese, cream, and liver
  • C. Broccoli, apricots, cantaloupe, carrots, sweet potato, spinach
  • D. Both A. and C.

Correct Answer: D. Both A. and C.

What is the study of vegetable growing called?

  • A. Olericulture
  • B. Horticulture
  • C. Dendrology
  • D. None of these

Correct Answer: A. Olericulture

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