25 GK Questions and Answers on Everyday Science

1. When milk is converted into curd, the sour taste is due to:

(a) Lactic acid (b) Tartaric a^id

(c) Citric acid (d) Acetic acid

ADVERTISEMENTS:

2. The first successful heart transplant operation in India was performed by:

(a) Dr. Padmavati (b) Dr. Caroli

(c) Dr. Venugopal (d) Dr. Dastur

3. Who had invented wireless telegraph?

ADVERTISEMENTS:

(a) J.L. Baird (b) Alfred Nobel

(c) Marconi (d) Waterman

4. Who had discovered the Heavy Hydrogen?

(a) John Naper (b) Frank Whitt

ADVERTISEMENTS:

(c) Lister (d) H.C. Urey

5. Who had discovered the Cosmic Rays?

(a) Victor Hess (b) James Watt

(c) Cavendish (d) Milikan

ADVERTISEMENTS:

6. A Photometer is used for the determination of:

(a) Altitudes (b) Electric Potential

(c) Specific gravity (d) Intensity of illumination

7. Quantum Theory was discovered by:

ADVERTISEMENTS:

(a) J. Priestly (b) Marconi

(c) Max Plank (d) W.K. Roentgoen

8. What do you associate with Fermi?

(a) South Pole (b) Atomic Bomb

ADVERTISEMENTS:

(c) Wireless Telegraph (d) Raman Effect

9. Which is the lightest gas?

(a) Hydrogen (b) Helium

(c) Xenon (d) Radon

10. The element of an electric heater is made of:

(a) Brass (b) Copper (c) Iron (d) Nichrome

11. Which is the purest form of water?

(a) Surface water (b) Rain water

(c) Well water (d) Mineral water

12. The most important constituent of air for human being is:

(a) Carbon dioxide (b) Oxygen

(c) Nitrogen (d) Water vapour

13. Hydrogen is an important constituent of:

(a) Water (b) Petroleum

(c) Natural gas (d) Plant and animal tissues

(e) All mentioned above

14. Who discovered that earth moves round the sun?

(a) Newton (b) Aston

(c) Galileo (d) Copernicus

15. How much blood does a man have in his body?

(a) 4% (b) 10%

(c) 7% ‘ id) 18%

16. What is the position of an iron ball in the water?

(a) It sinks (b) It drowns

(c) It floats id) It swims

17. What does a voltmeter measure? (a) Current (b)

(c) Resistance (d)

Red Blood corpuscles are formed in the: (a) Liver (b) Small intestine

(c) Kidneys (d) Bone marrow

18. Sugar can be tested in a Diabetes patient by:

(a) Benedict’s test (b) Barford’s test

(c) Denige test (d) None of these

19. How does a yellow flower look in red light?

(a) Black (b) Red (c) Indigo (d) White

20. The function of flower is:

(a) Transportation of food (b) (c) Absorption of food (d)

21. Insulin is used in the treatment of:

(a) Anaemia (b) (c) Night blindness (d)

22. Pituitary gland is located at the base of:

(a) Brain (b) Stomach

(c) Heart (d) Eyes

23. Balanced diet does not contain:

(a) Vitamins (b) Carbohydrates

(c) Mineral Salt (d) Beer

ANSWERS

1. (d) 8. (b) 15. (a) 22. (b)

2. (c) 9. (a) 16. (a) 23. (b)

3. (c) 10. (d) 17. (b) 24. (a)

4. (d) 11. (b) 18. (d) 25. (d)

5. (a) 12. (b) 19. (a)

6. (d) 13. (e) 20. (a)

7. (d) 13. (e) 20. (a)