1. Enzymes are organic catalysts made up of______: Proteins
2. A nanometer is______: 10^-9 meters
3. The minimum speed of a Pentium 2 computer is______: 233 Mhz
4. According to recent classifications, the living organisms are divided into ______ number of kingdoms: 5
5. Glycolysis is a process of______: Respiration
6. The unit that coordinates different devices of computer system is______: Control unit
7. Seed is technically______: Ripened ovule
8. ADH is a hormone secreted by______: Posterior pituitary
9. The number of natural satellites orbiting around the Mars is______: 2
10. Permian Period belongs to______: Palaeozoic era
11. The instrument used for the measurement of blood pressure is______: Sphygmomanometer
12. A mammal which can fly is______: Bat
13. A disease which is more common in men than in women and is hereditary character is______: Colour blindness
14. One endangered animal species of Pakistan is______: Snow leopard/Blind dolphin
15. An ore of Mercury is______: Cinnabar
16. A Cyanobacterium is______: Blue green algae
17. ______ is a hormone secreted by pancreas: Insulin
18. The nuclear reaction taking place on the surface of the sun is______: Fusion reaction
19. The scientist who discovered sulphuric acid was______: Jabir Bin Hayyan
20. The constituent elements of brass are______: Copper and Zinc
21. The conversion of non-diffusible substances into diffusible ones by the action of enzymes is called______: Digestion
22. Diamond is the purist naturally occurring crystalline form of______: Carbon
23. Caustic soda is extensively used for making______: Soap
24. When a person can see nearer objects but not the distant ones he is said to be suffering from______: Nearsightedness
25. Marble is ______ rock: Metamorphic
26. Curie is a unit of______: Radioactivity
27. The brown colour of rust is because of______: Oxidation
28. The movement of food through esophagus is by the muscular action known as______: Peristalsis
29. Granite is a form of______ rock: Igneous
30. ______ is the main chemical substance in the plant cell wall: Cellulose
31. ______ was first discovered by Robert Brown: Cell Nucleus
