| 1 |
Which woody raw material is used for the manufacture of paper pulp. |
- A. Cotton
- B. Bagasse
- C. Poplar
- D. Rice straw
|
| 2 |
The nitrogen present to some fertilizers helps plants to |
- A. Fight against diseases
- B. Produce fat
- C. Undergo photosynthesis
- D. Produce protein
|
| 3 |
Ammonia is prepared industrially by |
- A. Contact process
- B. Ostwald process
- C. Birkland Eyed process
- D. Heber process
|
| 4 |
During pulp making, the pH of digester is maintained at. |
- A. 1-2
- B. 3-5
- C. 6-8
- D. 7-9
|
| 5 |
Micro-nutrient is required in quantity for plant growth ranging from |
- A. 4-40 gm
- B. 6-200 gm
- C. 6-200 kg
- D. 4-40 kg
|
| 6 |
The macro nutrients are required in ranging from |
- A. 5 kg to 200 kg
- B. 5 kg to 200 g
- C. 6g to 200 g
- D. 1 kg to 100 kg
|
| 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 |
In which country first of all paper was invented |
- A. USA
- B. China
- C. Egypt
- D. Germany
|
| 9 |
Which one of the following is calcareous material |
- A. Marine shells
- B. clay
- C. Shale
- D. Blast furnace slag
|
| 10 |
Which elements are needed for healthy growth of plants |
- A. N,S,P
- B. N,Ca,P
- C. N,P,K
- D. N,K,C
|