1. Mass number is represented by?

2. Nose consists of how many nostrils?

3. Earth is traveling around the sun is called?

4. Flowering plants are called?

5. The characteristics that an organism inherits from its parents are called?

6. The tendency to gain or loss an element is also called?

7. What is thickness of human skin?

8. How many cells do bacteria have?

9. Influenza is an example of?

10. How many groups are there in periodic table?

11. Thalamus lies inside the?

12. What is the unit of energy?

13. Coal and oxygen react chemically to produce?

14. What makes the red blood cells?

15. Winter sleep that helps animals to save energy and survive in winter is called?

16. Which mirrors are used as security mirrors?

17. Anything that occupies space and has mass is called..................

18. Which stars are the coolest stars?

19. The flow of electricity is called?

20. Seed coat is known as?

21. A form of energy which comes from motion is called?

22. Birds and animals are?

23. Blood bank in the body is called?

24. Which actions are performed according to our wishes?

25. A nucleotide consists of?

26. Who defined acids in 1903?

27. How many stages are there in Mitosis?

28. Kingdom Monera deals with?

29. The process of separation of solute and solvent from the mixture is called...........?

30. What is PH scale of sodium hydroxide?