| 1 |
Woody raw material for paper pulp is obtained from |
- A. Cotton
- B. Bagasse
- C. Poplar
- D. Rice straw
|
| 2 |
Which one of the following is calcareous material |
- A. Marine shells
- B. clay
- C. Shale
- D. Blast furnace slag
|
| 3 |
Ammonium nitrate fertilizers is not used for which crop |
- A. Cotton
- B. Wheat
- C. Sugar cane
- D. Paddy rice
|
| 4 |
The nitrogen present in some fertilizers helps plants |
- A. to fight against diseases
- B. to produce fat
- C. to undergo photosynthesis
- D. to produce protien
|
| 5 |
Which process of pulp making is mostly used in Pakistan. |
- A. Kraft process
- B. Sulphite process
- C. Neutral sulphite semi chemical process
- D. Wet process
|
| 6 |
Potassium fertilizers are especially useful for |
- A. Tobacco
- B. Coffee
- C. Potato
- D. All of these
|
| 7 |
Which one of the followings is woody raw material used for making pulp and paper |
- A. Eucalyptus
- B. Wheat straw
- C. Bagasse
- D. Cotton linter
|
| 8 |
One of following is argillaceous material |
- A. Marble
- B. Clay
- C. Lime
- D. Marine Shell
|
| 9 |
The word paper is derived from the name of which reedy plant |
- A. Rose
- B. Sun flower
- C. Papyrus
- D. Water Hyacinth
|
| 10 |
Conversion of ammonium carbamate into urea is |
- A. Hydrolysis
- B. Hydrogenation
- C. Hydration
- D. Dehydration
|