Kerala PSC - Important and Expected General Science Questions - 67

---

1. Which instrument is used to measure altitudes in aircrafts?
[a] Audiometer
[b] Ammeter
[c] Altimeter
[d] Anemometer

---

2. The absorption of ink by blotting paper involves
[a] capillary action phenomenon
[b] viscosity of ink
[c] siphon action
[d] diffusion of ink through the blotting

---

3. Which law is also called law of inertia ?
[a] Newton’s First Law
[b] Newton’s Second Law
[c] Newton’s Third Law
[d] All the above

---

4. Sudden fall in barometer is indication of
[a] Storm
[b] Rain
[c] Tide
[d] Clear Weather

---

5. Stainless steel is an alloy of
[a] Iron, Chromium and Nickel
[b] Iron, Chromium and Aluminium
[c] Iron and Nickel
[d] Chromium and Aluminium

---

6. The power of a lens is measured in :
[a] diopters
[b] aeon
[c] lumen 
[d] candela

---

7. Albert Einstein was awarded Nobel Prize for his path-breaking research and formulation of the:
[a] Theory of Relativity
[b] Photo-Electric Effect
[c] Principle of Wave-Particle Duality
[d] Theory of Critical Opalescence

---

8. The instrument that measures arterial blood pressure is known as :
[a] Pyknometer           
[b] Hypsometer
[c] Sphygmoscope   
[d] Sphygmomanometer

---

9. Penicillin which is used as an antibiotic is obtained from
[a] Bacteria
[b] Fungi
[c] Algae
[d] Lichens

---

10. Pest-resistant cotton commonly known as ‘Bt-Cotton’ is genetically engineered by inserting a gene from a:
[a] Bacterium
[b] Virus
[c] Microalgae
[d] Protist

---

11. What is laughing gas?
[a] Carbon dioxide
[b] Sulphur dioxide
[c] Nitrous oxide
[d] Hydrogen peroxide

---

12. The release of which one of the following into ponds and wells helps in controlling mosquitoes?
[a] Crab 
[b] Gambusia Fish
[c] Snail
[d] Dogfish

---

13. Which one of the following is a vector of Kala-Azar disease?
[a] House Fly
[b] Aedes Mosquito
[c] Sand Fly
[d] Anopheles Mosquito

---

14. Which one of the following element is essential for the transmission of nerve impulses in nerve fibres?
[a] Calcium
[b] Sodium
[c] Zinc
[d] Iron

---

15. In human body, the red blood cells are produced in
[a] Liver
[b] Muscles
[c] pancreas 
[d] Bone Marrow

---

---