| 1 |
Teh total number of persons living in an area is called. |
- A. Species
- B. Population
- C. Community
- D. habitat
|
| 2 |
They are helpful in transport of gases in the blood |
- A. White cells
- B. Red cells
- C. Plateless
- D. Plasma
|
| 3 |
It is used in microprocessor of computer |
- A. chromite 
- B. aluminium
- C. silicon
- D. iron
|
| 4 |
Atmosphere is made of................. percent oxygen. |
|
| 5 |
The building blocks of protein |
- A. Fatty acid
- B. Antibodies
- C. Enzymes
- D. Amino acids
|
| 6 |
The process which increases the amount of carbon dioxide in air is called |
- A. photosynthesis
- B. respiration
- C. oxidation
- D. vaporization
|
| 7 |
Those substance which disrupts brain functin are. |
- A. Sedatives
- B. Hallucinogens
- C. Pain killer
- D. All of them
|
| 8 |
AIDS spreads by |
- A. virus 
- B. bacteria 
- C. fungus 
- D. worms 
|
| 9 |
About ........... percent population of Pakistan is dependent upon agriculture. |
- A. 90%
- B. 80%
- C. 60%
- D. 50%
|
| 10 |
Which one is the example of antibiotic in the following. |
- A. Cephalosporins
- B. Erythromycines
- C. Both a and b
- D. None
|
