| 1 |
Which is not a calcarious material |
- A. Clay
- B. Limestone
- C. Marble
- D. Chalk
|
| 2 |
Which one of the following set of raw material is most suitable for manufacture of urea. |
- A. CH4, N2 and CO2
- B. H2, N2 and CO
- C. H2,CO2 and H2O
- D. H2O, N2 and H2
|
| 3 |
Ammonium Nitrate fertilizer is not useful for |
- A. Wheat
- B. Cotton
- C. Sugan cane
- D. Paddyrice
|
| 4 |
Potassium fertilizers are especially useful for |
- A. Tobacco
- B. Coffee
- C. Potato
- D. All of these
|
| 5 |
Which chemical reduces the acidity of soil. |
- A. Lime
- B. Urea
- C. Ammonium nitrate
- D. Ammonium sulphate
|
| 6 |
The macronutrients are required in quantities ranging from |
- A. 4-40 kg per acre
- B. 10-100 kg per acre
- C. 5-100 kg per acre
- D. 5-200 kg per acre
|
| 7 |
Phosphorus helps the growth of |
- A. Root
- B. Leaf
- C. Steam
- D. Seed
|
| 8 |
The nitrogen present to some fertilizers helps plants to |
- A. Fight against diseases
- B. Produce fat
- C. Undergo photosynthesis
- D. Produce protein
|
| 9 |
Which is not a calcarious material. |
- A. Lime
- B. Clay
- C. Marble
- D. Marine shell
|
| 10 |
During the manufacturing process of cement the temperature of the decomposition zone goes up to |
- A. 600<b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">°C</b>
- B. 800<b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">°C</b>
- C. 1000<b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">°C</b>
- D. 1200<b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">°C</b>
|