General Science Questions (MCQs) for Competitive Examinations

General Science Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations. These questions are part of GKToday’s 35000+ MCQs Bank Course in GKToday Android App

1. Which among the following is known as White Vitriol?
[A] Zinc Sulphate
[B] Zinc Chloride
[C] Zinc Phosphate
[D] Zinc oxide

Show Answer

2. What percentage of carbon is present in steel?
[A] 0.0 to 2.5
[B] 2.5 to 5.0
[C] 5.0 to 7.5
[D] 7.5 to 10.0

Show Answer

3. Identify the process from the options below, which is a physical change?
[A] Oxidation
[B] Reduction
[C] Sublimation
[D] Decomposition

Show Answer

4. Chicken Pox is caused by which micro-organism?

[A] Virus
[B] Bacteria
[C] Protozoa
[D] Fungus

Show Answer

5. Which of the following brings back deoxygenated blood from different parts of human body to heart?
[A] Veins
[B] Arteries
[C] Nerves
[D] Lungs

Show Answer

6. The special modified epidermal cells surrounding stomatal pore are called ____:
[A] Accessory cells
[B] Epithelial cells
[C] Guard cells
[D] Subsidiary cells

Show Answer

7. Rate of cooling depends on the
____:
[A] Nature of the radiating surface
[B] Area of the radiating surface
[C] Temperature difference between the body and the surroundings
[D] All of the above

Show Answer

8. How the rate of absorption of water through roots can be increased?
[A] Keeping the plants under the fan
[B] Keeping the plants in the dim light
[C] Keeping the plants in the shade
[D] Covering the plants with a polythene bag

Show Answer

9. Who among the following gave Theory of Evolution?
[A] Darwin
[B] Mendel
[C] Hooke
[D] Rutherford

Show Answer

10. In which of the following animals, is open circulatory system found?
[A] Prawn
[B] Earthworm
[C] Toad
[D] Man

Show Answer