CGL chemistry CHSL General science IAS IPS SSC SSC MTS : Previous Paper UPPCS UPSC

General Science Practices Test III

General Science Practices Test III

General Science Practice Test II
General Science Practice Test II

General Science Practices Test III

Q21. An ice block with a piece of lead embedded in it floats in water. If ice melts the water level

  • (a) Rises
  • (b) Falls
  • (c) Remains same
  • (d) Falls first and then rises

Q22. Holography is a technique of

  • (a)recording a permanent sharp two dimensional black and white or multicolor photograph
  • (b)recording a permanent three dimensional multicolour photograph
  • (c)recording a permanent three dimensional black and white photograph
  • (d)recording a permanent three dimensional photograph of a given single colour or a multicolor

Q23. The plastic material commonly used for making gear wheels is

  • (a) Polyesters
  • (b) Nylons
  • (c) Bakelite
  • (d) Polystyrene

Q24. The velocity of heat radiation in vacuum is

  • (a)Equal to that of light
  • (b)Less than that of light
  • (c)Greater than that of light
  • (d)Equal to that of sound

Q25.  A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is

  • (a)the same in both cases in all respects
  • (b)of higher intensity when train arrives
  • (c)of higher pitch when train arrives
  • (d)of higher pitch when train departs

Q26.Energy is continuously created in the sun due to:

  • (a) nuclear fusion
  • (b) nuclear fission
  • (c) radioactivity
  • (d) artificial radioactivity

Q27. When heated from 0° to 10°C volume of a given mass of water Will

  • (a) Increase gradually
  • (b) Decrease gradually
  • (c) Increase and then will decrease
  • (d) Decrease and then will increase

Q28.  Which of the following is used in oven ?

  • (a) X-rays
  • (b) UV rays
  • (c) Microwaves
  • (d) Radio waves

Q29. Which of the following is used for regulated electric supply ?

  • (a) Zener diode
  • (b) Junction diode
  • (c)Gun diode
  • (d)Tunnel diode

Q30. Coolis tube is used to produce

  • (a)Radio waves
  • (b)Microwaves
  • (c)X-rays
  • (d) Gama rays

Previous Set | Next Set

Set-1 | Set-2 | Set-3 | Set-4 | Set-5

  1. EX EASTERN BRIDGE-V -Indian Air Force & Royal Air Force Oman
  2. Switzerland glaciers shrink 10% 
  3. The Age of Industrialisation Class 10 Notes – Board CBSE
  4. World first female spacewalking team makes history
  5. India US bilateral relation
  6. FATF warns Pakistan of blacklisting if terror funding not controlled
  7. Sri Lanka removed from FATF Grey List
  8. WIPO World Intellectual Property
  9. Defence of Andaman and Nicobar Islands exercise
  10. Indo Mongolian Exercise Nomadic Elephant XIV 
  11. India & Philippines sign 4 agreements to boost defence
  12. 7th International Military Sports Council held in china 
  13. Annual Assam Rifles Commanders Conference
  14. ASEAN India Business Summit
  15. Pradhan Mantri Innovative Learning Programme -DHRUV
  16. National Panchayat Awards 2019
  17. Global Bio-India 2019 Summit : held in New Delhi first time
  18. Evaluation of Nano-pharmaceuticals guidelines -New by Department of Biotechnology
  19. Naval Commanders Conference 2019 -Second edition
  20. Bureau of Police Research and Development Data on Police Organizations is released by Home Affair minister
  21. International Conference on Neurological Disorders and Therapeutics
  22. National Corporate Social Responsibility Awards 2019
  23. Ease of Doing Business-2020 -India stand in 63 position
  24. Brazil plans visa-free entry for Indian travellers
  25. Global Forum on Steel Excess Capacity -Ministerial Meeting -India is hungry for steel

About the author


Leave a Comment

error: Content is protected !!