11. The rarest gas in air is: A. Neon B. Carbon Dioxide C. Helium D. Oxygen ✅ The correct answer is option Neon.
12. Study of fingerprints is called: A. Genetics B. Dactylography C. Hematology D. Histology ✅ The correct answer is option Dactylography.
13. How much blood does a normal adult person have in the body? A. About 6 to 7 liters B. About 2 to 3 liters C. About 4 to 5 liters D. About 3 to 4 liters ✅ The correct answer is option About 4 to 5 liters.
14. Hydroelectric acid is necessary for easy digestion of: A. Fats B. Carbohydrates C. Enzymes D. Proteins ✅ The correct answer is option Proteins.
15. Which of the following is a conventional designation of pre-released software: A. Alpha B. Omega C. Raw D. Beta ✅ The correct answer is option Beta.
16. The velocity of sound in air at sea level’ is: A. 881 meters per second B. 771 meters per second C. 661 meters per second D. 343 meters per second ✅ The correct answer is option 343 meters per second.
17. Acceleration caused by gravity is: A. 23 Feet Per Second B. 32 Feet Per Second C. 42 Feet Per Second D. 52 Feet Per Second ✅ The correct answer is option 32 Feet Per Second,.
18. Which Chemical element has properties of a metal and non-metals? A. Metalloid B. Lanthanold C. Actanoid D. Graphite ✅ The correct answer is option Metalloid.
19. When was the last Census held in Pakistan? A. 2017 B. 1998 C. 1972 D. 1981 ✅ The correct answer is option 2017.
20. The first Artificial Satellites was launched by: A. Japan B. Russia C. America D. France ✅ The correct answer is option Russia.