1. Light Year is the unit of time, length
2. Time interval to complete one revolution of earth around its own axis is
3. Value of one astronomical unit (average distance between sun and earth) is
4. Two types of waves are created during earthquakes, Bodily waves and surface waves. Destruction of earth is caused by
5. During the broadcasting of radio waves, radio waves are reflected from
6. During combustion of petrol in the car, energy used is Chemical, Mechanical, Electrical
7. Barometer is used to measure temperature, humidity, pressure
8. Alternative energy is define as
9. Time for climate change decided by Internation climate change union is
10. Cyclones are caused by Heat, low pressure, humidity, all of these
11. Disease causing microorganisms are known as
12. Dengue fever is transmitted by which mosquitoe
13. The calories needed per day by Humans for maintaining body weight is
14. During the day time, sky looks blue because of refraction
15. The formula of Ozone is
16. During remote sensing, information is gathered by aircrafts, RADAR, Satellite
17. Enzymes are proteins, bacteria, virus
18. Antibiotics drugs are used for the treatment of viral diseases, bacterial diseases, pathogens
19. In ionic bonding, the electrons are
20. Days and nights are caused by the rotation of the earth from north to south, east to west