General Science & Ability-Practice-2

Practice questions

1. The SI unit of force is:
   • Joule
   • Newton
   • Watt
   • Pascal
2. Which planet is known as the Red Planet?
   • Venus
   • Mars
   • Jupiter
   • Mercury
3. The chemical symbol of Gold is:
   • Go
   • Ag
   • Au
   • Gd
4. Which gas is most abundant in the Earth's atmosphere?
   • Oxygen
   • Carbon dioxide
   • Nitrogen
   • Hydrogen
5. The largest organ of the human body is:
   • Liver
   • Brain
   • Skin
   • Heart
6. Which vitamin is produced in the human body through exposure to sunlight?
   • Vitamin A
   • Vitamin C
   • Vitamin D
   • Vitamin E
7. Which blood group is known as the universal donor?
   • A+
   • B+
   • O−
   • AB+
8. Which instrument is used to measure atmospheric pressure?
   • Thermometer
   • Hygrometer
   • Barometer
   • Anemometer
9. The speed of light in a vacuum is approximately:
   • 3 × 10⁶ m/s
   • 3 × 10⁷ m/s
   • 3 × 10⁸ m/s
   • 3 × 10⁹ m/s
10. Which part of the plant carries water from the roots to the leaves?
    • Phloem
    • Xylem
    • Cortex
    • Epidermis
11. The pH value of pure water is:
    • 5
    • 6
    • 7
    • 8
12. Which scientist proposed the Law of Gravitation?
    • Albert Einstein
    • Galileo Galilei
    • Isaac Newton
    • Niels Bohr
13. Which vitamin helps in blood clotting?
    • Vitamin A
    • Vitamin C
    • Vitamin D
    • Vitamin K
14. The hardest natural substance is:
    • Iron
    • Quartz
    • Diamond
    • Granite
15. Which gas is essential for photosynthesis?
    • Oxygen
    • Nitrogen
    • Carbon dioxide
    • Hydrogen
16. Which instrument measures earthquakes?
    • Barometer
    • Seismograph
    • Thermometer
    • Altimeter
17. The smallest unit of life is:
    • Tissue
    • Cell
    • Organ
    • Molecule
18. Which metal is liquid at room temperature?
    • Iron
    • Mercury
    • Copper
    • Silver
19. Which planet has the largest number of confirmed moons?
    • Earth
    • Jupiter
    • Saturn
    • Uranus
20. Which layer of the Earth is the hottest?
    • Crust
    • Mantle
    • Outer Core
    • Inner Core
21. Binary language used by computers consists of:
    • 0 and 2
    • 1 and 2
    • 0 and 1
    • 1 and 3
22. In computer terminology, CPU stands for:
    • Central Processing Unit
    • Central Program Unit
    • Computer Processing Unit
    • Central Power Unit
23. Which number comes next in the series? 2, 6, 12, 20, 30, ___
    • 36
    • 40
    • 42
    • 44
24. If the average of five numbers is 18, what is their total?
    • 72
    • 80
    • 90
    • 108
25. If all Roses are Flowers and some Flowers are Red, then:
    • All Roses are Red.
    • Some Roses are Red.
    • No Rose is Red.
    • It cannot be concluded that any Rose is Red.