General Science #15 Multiple Choice Questions

GENERAL SCIENCE #15

MULTIPLE CHOICE QUESTIONS

1. Which of the following is the smallest temperature?

(a) 1⁰F

(b) 1⁰R

(c) 1 K

(d) 1⁰C

Answer: (c)

2. Which of the following is the largest temperature?

(a) 1⁰C

(b) 1 K

(c) 1⁰R

(d) 1⁰F

Answer: (a)

3. Latent heat of fusion of ice is …………...

(a) 90 cal/g

(b) 98 cal/g

(c) 100 cal/g

(d) 80 cal/g

Answer: (d)

4. What is the speed of sound in hydrogen?

(a) 344 m/s

(b) 1498 m/s

(c) 1284 m/s

(d) 332 m/s

Answer: (c)

5. What is the speed of sound in iron?

(a) 5000 m/s

(b) 5130 m/s

(c) 5500 m/s

(d) 6250 m/s

Answer: (b)

6. What is the speed of sound in aluminium?

(a) 5100 m/s

(b) 5200 m/s

(c) 5500 m/s

(d) 5800 m/s

Answer: (a)

7. Which of the following is used as semiconductor?

(a) Al

(b) As

(c) Bi

(d) Cr

Answer: (b)

8. What is quartz?

(a) Pyrosilicate

(b) Sheet silicate

(c) Orthosilicate

(d) Three dimensional silicate

Answer: (d)

9. Fog is an example of colloidal system of which of the following?

(a) Liquid dispersed in gas

(b) Solid dispersed in gas

(c) Solid dispersed in liquid

(d) Gas dispersed in gas

Answer: (a)

10. What is the symbol of saltpetre?

(a) KNO₃

(b) NaNO₃

(c) Ca(NO₃)₂

(d) CaO

Answer: (a)

11. Which of the following is not a mixture of hydrocarbons?

(a) Kerosene

(b) Paraffin oil

(c) Vegetable oil

(d) Candle wax

Answer: (c)

12. Which of the following metals does not show variable oxidation state?

(a) Zn

(b) CV

(c) Cr

(d) Fe

Answer: (a)

13. What is the symbol of cobalt?

(a) Cu

(b) Co

(c) Cl

(d) Ca

Answer: (b)

14. Rickets is a disease caused due to deficiency of which of the following?

(a) Vitamin-A

(b) Vitamin-B

(c) Vitamin-C

(d) Vitamin-D

Answer: (d)

15. Which of the following is associated with AIDS?

(a) IVF

(b) HIV

(c) MAC

(d) GIFT

Answer: (b)

16. Which of the following is the main constituent of tea and coffee?

(a) Morphine

(b) Caffeine

(c) Resperine

(d) Asphin

Answer: (b)

17. What is aspirin?

(a) Antidote

(b) Analgesic

(c) Anaesthetic

(d) Antipyretic

Answer: (b)

18. Find the odd one out.

(a) Tetanus

(b) Leprosy

(c) Tuberculosis

(d) AIDS

Answer: (d)

19. At what temperature, milk gets pasteurised?

(a) 55⁰C

(b) 60⁰C

(c) 62⁰C

(d) 65⁰C

Answer: (c)

20. The germs present in water can be killed by which of the following methods?

(a) Decantation

(b) Boiling

(c) Filtration

(d) None of the above

Answer: (b)