1. How many important modes are for transmission of heat?

2. Our sun is.............. sized star

3. The formation of ghee from vegetable oil is an example of.............

4. The distance covered by a wave in one second is called

5. According to ............. Law Resistance is calculated by dividing voltage by current

6. The number of protons present in the nucleus of one atom of any element is called its

7. The largest artery is named as

8. Voltmeter is used for measurement of............

9. The shrillness graveness of a sound is called.

10. Molecules which form polymers are called.........

11. A material which emits heat

12. Loss of water from surface of leaves of plants is called

13. Bile is released by

14. ................ Pushes the swallowed food intake into stomach

15. Convection occurs only in.

16. The distance between two adjacent crests or troughs is called.........

17. The ray of light which strikes the surface of other medium for its entry is called

18. The increase in blood pressure is due to narrowing of..............

19. What is present in gastric juice?

20. Mass number is denoted by..........

21. Food becomes fine and soft by addition of..............

22. ............... are reproductive organs of plants.

23. The transfer of heat from a hot body to cold body without heating is called

24. Unit of electric current is.............

25. The whorl of sepals is called..........

26. How many types of aquatic habitats

27. Rate of flow of charge is called

28. The living place of any organism is called

29. The organ which controls the entrance of food and air in the relevant tubes is called.................

30. The formula to find maximum number of electrons in a given shell is