2. The twinkling of star is due to ?
3. Dry Thorn forest is found in areas with ?
4. Metal with lowest melting point ?
5. Jaundice is a symptom of ________ ?
6. On going up to a mountain, the height of the mercury column in a barometer ___ ?
7. The maximum concentration of Ozone is found on the ___ ?
8. Te first artificial heart Jarvik -7 was developed by ?
9. The embryologist who created 'Dolly' the first clone of a sheep ?
10. Forest is known as ______ ?
11. Negative electrode of a dry cell is known as ?
12.The coagulation of egg while cooking is due to ?
13. Global warming is caused by ?
14. The chemically formed sedimentary rock is ___ ?
15. The instrument used to measure the depth of sea ?
16. Escape velocity of the earth is ?
17. Rain water takes the shape of spherical drops because of ?
18. Surface tension of water ?
19. When ice melts, it's volume ____ ?
20. ___ type rocks could be formed by deposits of animal shells and skeletons ?
21. Water pipes burst in severe winter at hill stations because ?
22. The retreating monsoon withdraws itself from ?
23. The center part of an Atom ?
24. Friction can be reduced by changing over from ?
25. The element which is kept in wax ?
26. First aircraft which can fly with solar energy ?
27. "Silver fish" is a ?
28. The blue colour of the sky is due to ?
29. Best conductor of electricity ?
30. Spring balance is used to measure ?
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