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

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

3. Convection occurs only in.

4. The shrillness graveness of a sound is called.

5. Voltmeter is used for measurement of............

6. The largest artery is named as

7. Bile is released by

8. The whorl of sepals is called..........

9. A material which emits heat

10. The living place of any organism is called

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

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

13. Rate of flow of charge is called

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

15. Our sun is.............. sized star

16. Molecules which form polymers are called.........

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

18. Mass number is denoted by..........

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

20. ............... are reproductive organs of plants.

21. How many types of aquatic habitats

22. Unit of electric current is.............

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

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

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

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

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

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

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

30. What is present in gastric juice?