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

HEC USAT-GS (General Science) Everyday Science Practice sample MCQs

1. Q1. Addison's disease is caused by the deficiency of the:

   • A) Melanophore-stimulating hormone
   • B) Luteinizing hormone
   • C) Adrenocorticotropic hormone
   • D) Antidiuretic hormone

   Answer: Adrenocorticotropic hormone

2. Q2. Gerontology is the study of:

   • A) The process of aging
   • B) The growth of cells
   • C) Birds
   • D) Vegetables

   Answer: The process of aging

3. Q3. 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

   Answer: parallel connection

4. Q4. Soap and detergents remove the dirt from clothes due to:

   • A) Osmosis
   • B) Capillary action
   • C) Interfacial tension
   • D) Diffusion

   Answer: Interfacial tension

5. Q5. The disease elephantiasis is caused by the:

   • A) Housefly
   • B) Culex mosquito
   • C) Anopheles mosquito
   • D) Lack of vitamin B

   Answer: Culex mosquito

6. Q6. What is the name of Pakistan's space agency?

   • A) SUPARCO
   • B) NASDA
   • C) PAKSA
   • D) ISPA

   Answer: SUPARCO

7. Q7. Which of the following was widely used as an anesthetic?

   • A) Methane
   • B) Ammonia
   • C) Chlorine
   • D) Chloroform

   Answer: Chloroform

8. Q8. Zero was first used by:

   • A) Brahmagupta
   • B) Abdus Salam
   • C) Willey Rilos
   • D) Letters

   Answer: Brahmagupta

9. Q9. Identify the genetic & hereditary disease from the options.

   • A) Trachoma
   • B) Sickle-Cell Anemia
   • C) Pellagra
   • D) Arthritis

   Answer: Sickle-Cell Anemia

10. Q10. Venus indicates the direction of:

    • A) North
    • B) South
    • C) East
    • D) West

    Answer: West

11. Q11. Which of the following is an organic molecule needed by the body in small amounts?

    • A) Protein
    • B) Vitamin C
    • C) Zinc
    • D) Monosaccharide

    Answer: Vitamin C

12. Q12. Which gas in Chlorofluorocarbons damages the ozone layer most:

    • A) Chlorine
    • B) Fluorine
    • C) Ammonia
    • D) Bromine

    Answer: Chlorine

13. Q13. What is the weight of the average adult human brain?

    • A) 3.1 to 3.4 kg
    • B) 2.1 to 2.8 kg
    • C) 1.4 to 1.8 kg
    • D) 1.2 to 1.4 kg

    Answer: 1.2 to 1.4 kg

14. Q14. What was the Montreal Protocol concerned with?

    • A) Checking ozone layer depletion
    • B) Checking global warming
    • C) Protecting biodiversity
    • D) Increasing forest cover

    Answer: Checking ozone layer depletion

15. Q15. Which of these is a genetic & hereditary disease?

    • A) Goitre
    • B) Jaundice
    • C) Diabetes Mellitus
    • D) Typhoid

    Answer: Diabetes Mellitus

16. Q16. The density of air is:

    • A) 0.225 kg/m³
    • B) 1.025 kg/m³
    • C) 1.225 kg/m³
    • D) 1.425 kg/m³

    Answer: 1.225 kg/m³

17. Q17. The core of chemistry is dealing with the:

    • A) Properties of matter
    • B) Composition and properties of matter
    • C) Composition of matter
    • D) Internal structural changes in matter

    Answer: Composition and properties of matter

18. Q18. In a fission nuclear reaction, a heavy nucleus breaks up into smaller nuclei. In contrast, when two or more lighter nuclei fuse to form a heavier nucleus, the reaction is called a:

    • A) Chemical reaction
    • B) Nuclear reaction
    • C) Fission nuclear reaction
    • D) Fusion nuclear reaction

    Answer: Fusion nuclear reaction

19. Q19. Sound travels faster in iron than in air.

    • A) Right
    • B) Wrong
    • C) Ambiguous
    • D) No idea

    Answer: Right

20. Q20. What is the chance of a diabetic baby being born to parents who are both heterozygous normal?

    • A) 1 by 2
    • B) 3 by 4
    • C) 1 by 4
    • D) Zero

    Answer: 1 by 4

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