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

2. Bile is released by

3. The shrillness graveness of a sound is called.

4. ............... are reproductive organs of plants.

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

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

7. Molecules which form polymers are called.........

8. Mass number is denoted by..........

9. A material which emits heat

10. Rate of flow of charge is called

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

12. The whorl of sepals is called..........

13. Voltmeter is used for measurement of............

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

15. Convection occurs only in.

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

17. The living place of any organism is called

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

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

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

21. How many types of aquatic habitats

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

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

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

25. Our sun is.............. sized star

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

27. The largest artery is named as

28. What is present in gastric juice?

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

30. Unit of electric current is.............