HEC USAT-GS (General Science) Everyday Science: Most Important MCQs with Answers

HEC USAT-GS (General Science) Everyday Science Most Important sample MCQs

1. Q1. Deficiency of Vitamin A leads to which condition?

   • A) Scurvy
   • B) Night blindness
   • C) Beriberi
   • D) Rickets

   Answer: Night blindness

2. Q2. Newton's first law of motion states that an object in motion will continue in motion unless acted upon by:

   • A) Friction
   • B) Gravity
   • C) An external force
   • D) Air resistance

   Answer: An external force

3. Q3. At higher altitudes, the boiling point of water is:

   • A) Higher than 100°C
   • B) Lower than 100°C
   • C) Exactly 100°C always
   • D) Becomes zero

   Answer: Lower than 100°C

4. Q4. In the food chain: Grass → Rabbit → Fox, the rabbit is classified as:

   • A) Producer
   • B) Primary consumer
   • C) Secondary consumer
   • D) Decomposer

   Answer: Primary consumer

5. Q5. Which of the following diseases usually spreads through milk?

   • A) Tuberculosis
   • B) Jaundice
   • C) Diphtheria
   • D) Cholera

   Answer: Tuberculosis

6. Q6. Atmospheric pressure is measured by a ______.

   • A) lactometer
   • B) barometer
   • C) ammeter
   • D) voltmeter

   Answer: barometer

7. Q7. Red blood cells are produced in the:

   • A) Bone marrow
   • B) Spleen
   • C) Heart
   • D) Liver

   Answer: Bone marrow

8. Q8. The ozone layer restricts ______ from reaching the surface of the Earth.

   • A) Ultraviolet rays
   • B) Gamma rays
   • C) Infrared rays
   • D) X-rays

   Answer: Ultraviolet rays

9. Q9. Which one of the following would give the highest energy per gram?

   • A) Glucose
   • B) Proteins
   • C) Fats
   • D) Sucrose

   Answer: Fats

10. Q10. The adult human brain weighs about ______.

    • A) 100-200 g
    • B) 1200-1400 g
    • C) 1600-2000 g
    • D) 500-800 g

    Answer: 1200-1400 g

11. Q11. Objects in the glass through which things can be seen are called:

    • A) Opaque objects
    • B) Translucent objects
    • C) Miscible objects
    • D) Transparent objects

    Answer: Transparent objects

12. Q12. Bagasse, a by-product of the sugar manufacturing industry, is used for the production of:

    • A) Paper
    • B) Alcohol
    • C) Confectioneries
    • D) Glass

    Answer: Paper

13. Q13. A rhinoscope (or nasoscope) is a thin, tube-like instrument used to examine the inside of the:

    • A) Nose
    • B) Brain
    • C) Ears
    • D) Eyes

    Answer: Nose

14. Q14. A skill or capacity that enables an organization to conceive of and implement its strategies is its:

    • A) Strength
    • B) Weakness
    • C) Opportunity
    • D) Threat

    Answer: Strength

15. Q15. In the process of galvanization, iron sheets are coated with:

    • A) Aluminum
    • B) Zinc
    • C) Tin
    • D) Galena

    Answer: Zinc

16. Q16. Which one of the following can be used to focus sunlight?

    • A) Plane mirror
    • B) Convex lens
    • C) Concave mirror
    • D) Convex mirror

    Answer: Convex lens

17. Q17. In the entire periodic table, which element is the most powerful reducing agent?

    • A) Lithium
    • B) Neon
    • C) Chlorine
    • D) Helium

    Answer: Lithium

18. Q18. Copper is used in the production of:

    • A) Kitchen utensils
    • B) Electric wires
    • C) Children's toys
    • D) Bricks

    Answer: Electric wires

19. Q19. Milk has a pH of:

    • A) 6.5
    • B) 7.5
    • C) 8.5
    • D) 9.5

    Answer: 6.5

20. Q20. Which vitamin is found in the body by exposure to ultraviolet radiation from sunlight?

    • A) Vitamin A
    • B) Vitamin B
    • C) Vitamin C
    • D) Vitamin D

    Answer: Vitamin D

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