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

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

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

4. Unit of electric current is.............

5. The largest artery is named as

6. How many types of aquatic habitats

7. Voltmeter is used for measurement of............

8. ............... are reproductive organs of plants.

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

10. Mass number is denoted by..........

11. Bile is released by

12. The living place of any organism is called

13. The shrillness graveness of a sound is called.

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

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

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

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

18. Rate of flow of charge is called

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

20. Our sun is.............. sized star

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

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

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

24. The whorl of sepals is called..........

25. A material which emits heat

26. Convection occurs only in.

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

28. What is present in gastric juice?

29. Molecules which form polymers are called.........

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