1. A material which emits heat

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

3. How many types of aquatic habitats

4. The largest artery is named as

5. Our sun is.............. sized star

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

7. Bile is released by

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

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

10. ............... are reproductive organs of plants.

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

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

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

14. The living place of any organism is called

15. Mass number is denoted by..........

16. Rate of flow of charge 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. Molecules which form polymers are called.........

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

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

23. The shrillness graveness of a sound is called.

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

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

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

27. Convection occurs only in.

28. The whorl of sepals is called..........

29. Voltmeter is used for measurement of............

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