| 1 |
Potassium fertilizers are especially useful for |
- A. Tobacco
- B. Coffee
- C. Potato
- D. All of these
|
| 2 |
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
|
| 3 |
Micronutrients are required in quantity ranging from |
- A. 4g-40g
- B. 6g-200g
- C. 6kg-200kg
- D. 4kg-40kg
|
| 4 |
Woody raw material for paper pulp is obtained from |
- A. Cotton
- B. Bagasse
- C. Poplar
- D. Rice straw
|
| 5 |
Which three elements are needed for the healthy growth of plants. |
- A. N,S,P
- B. N, Ca, P
- C. N,P,K
- D. N,K,C
|
| 6 |
Which chemical reduces the acidity of soil. |
- A. Lime
- B. Urea
- C. Ammonium nitrate
- D. Ammonium sulphate
|
| 7 |
The composition mixture of clay and lime stone in the raw material. |
- A. 75% lime stone and 25% clay
- B. 25% lime stone and 75% clay
- C. 15% lime stone and 55% clay
- D. 55% lime stone and 15% clay
|
| 8 |
One of following is argillaceous material |
- A. Marble
- B. Clay
- C. Lime
- D. Marine Shell
|
| 9 |
Which substance is used ot bleach the pulp. |
- A. Na2SO3
- B. NaCl
- C. NaClO
- D. NaOH
|
| 10 |
Pulp is washed to remove lignin from it. Due to the presence of lignin in pulp paper becomes. |
- A. Soft
- B. Brittle
- C. Acidic
- D. Colourless
|