1. The gas used in the artificial ripening of green fruit is______: Ethylene
2. Which is the closest planet to the Earth? Venus
3. Sulphuric Acid was prepared by______: Jabir Bin Hayyan
4. The name of the disease called lockjaw is______: Tetanus
5. The longest and largest bone in the human body is______: Femur
6. The branch of Physics that deals with Atomic Nuclei is called______: Nuclear Physics
7. Sonar is used to measure______: Ocean depth
8. Stone used in whitewash is______: Stone lime
9. Radar receives waves called______: Radio waves
10. Plaster of Paris is obtained from______: Gypsum
11. Phosphorus helps plant growth of______: Root
12. The blue color of sky is due to______: Rayleigh scattering
13. Newspaper can be recycled______: 5 to 7 times
14. Blood clotting happens in which part of the body? Veins
15. Lens used to correct shortsightedness is______: Concave
16. Catalyst to convert oil into ghee is______: Nickel
17. Conversion of oil into ghee is called______: Hydrogenation
18. In a certain code language COMPUTER is written as RFUVQNPC. How will medicine by written in code language? EOJDJEFM
19. A told B that C is his father’s nephew. D is A’s cousin but not the brother of C. What relationship is there between D &D? Brother & sister
20. It takes Ali 30 minutes to mark a paper. Aslam only needs 25 minutes to mark a paper. If they both start marking paper at 11:00 AM, at what time they will finish marking at the same time? 1:00 PM