You are here: Home >> ToThePoint >> GK - General Science
General Science GK
Sl. No. | Question - Science | Answer |
---|---|---|
1. | The temperature at which all substances have zero thermal energy? | -273 degree celcius. |
2. | Any substance which when added to a reaction, alters the rate of the reaction but remains chemically unchanged at the end of the process is called? | Catalyst. |
3. | The study of the inter-relations of animals and plants with their environment is called? | Ecology. |
4. | Study of insects is called? | Entomology. |
5. | A unit used to express the focal power of optical lenses? | Dioptre. |
6. | The velocity that a body with less mass must achieve in order to escape from the gravitational attraction of a more massive body is called? | Escape Velocity. |
7. | Laughing gas is chemically known as? | Nitrous Oxide. |
8. | The blood vessels carrying blood from the heart to various parts of the body is called? | Artery. |
9. | The distance travelled by light in one year is called? | Light year. |
10. | The rate of change of position of a body with respect to time in a particular direction and is a vector quantity is called: | Velocity. |
11. | An organism which derives its nourishment from another living organism is called? | Parasite. |
12. | Newton's which law states that the rate of change of momentum of a body is directly proportional to the force applied and takes place in the direction in which the force acts? | Newton's second law of motion. |
13. | Which is the world's first man-made satellite? | Sputnik-I. |
14. | Which planet is the brightest of all the planets? | Venus. |
15. | Small pieces of solid matter which are found scattered in the inter-planetary space of the solar system are known as? | Meteoroids. |
16. | The largest gland in the body which is dark red in colour is? | Liver. |
17. | Inadequate secretion of Insulin hormone causes which disease? | Diabetes. |
18. | Common cold, Influenza, Chickenpox and Measles are caused due to the attack of Virus or Bacteria? | Virus. |
19. | In which atmospheric layer are the communication satellite located? | Ionosphere. |
20. | The scientific principle behind 'Fibre Optics' is? | Tota internal reflection of light. |