General Science | Chemistry | Fertilizers
General Science | Chemistry | Fertilizers
1. Which one of the following fertilizers leaves maximum acidity in the soil?
Urea
Ammonium Sulphate
Ammonium Nitrate
Calcium Ammonium Nitrate
Correct Answer
Wrong Answer
2. The percentage of nitrogen in urea is
30%
25%
47%
60%
Correct Answer
Wrong Answer
3. For wheat cultivation which fertilizer is used?
Nitrogen
Potassium
Copper
Iron
Correct Answer
Wrong Answer
4. The element not is present in fertilizers is
Nitrogen
Hydrogen
Chlorine
Phosphorus
Correct Answer
Wrong Answer
5. Which form of nitrogen is available in urea?
Amide
Ammoniacal
Nitrate
Nitrite
Correct Answer
Wrong Answer
6. The plants receive Nitrogen in form of
Nitric oxide
Nitrate
Ammonia
Nitride
Correct Answer
Wrong Answer
7. Which of the following is consumed in the manufacture of urea fertilizer?
Carbon dioxide
Sulphur dioxide
Chlorine
Nitric acid
Correct Answer
Wrong Answer
8. Why does the Government of India promote the use of 'Neem-coated Urea' in agriculture?
Release of Neem oil in the soil increases nitrogen fixation by the soil micro-organisms
Neem coating slows down the rate of dissolution of urea in the soil
Nitrous oxide, which is a greenhouse gas, is not at all released into atmosphere by crop fields
It is a combination of a weedicide and a fertilizer for particular crops
Correct Answer
Wrong Answer
9. Which one of the following is a mixed fertilizer?
Urea
CAM
Ammonium Sulphate
NPK
Correct Answer
Wrong Answer
10. Which of the following is not a chemical fertilizer?
Urea
Sodium Sulphate
Super Phosphate
Potassium Nitrate
Correct Answer
Wrong Answer
11. The most popular fertilizer for foliar application is
Sodium Nitrate
Urea
D.A.P.
Potassium Chloride
Correct Answer
Wrong Answer
12. 'Humus' is an example of
Soil structure
Crystalloids
Organic colloids
None of the above
Correct Answer
Wrong Answer
13. The most suitable crop for green manuring is
Potato
Sugarcane
Sunhemp
Gram
