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Tests
Name:
Fertiliser 1
Created By:
V. Gokal
Max Time:
2 mins
Select an option for each question and click Submit
1. Why are plants called autotrophic organisms?
they can use inorganic C, H and O to synthesize organic glucose by photosynthesis
they exist in tropical areas
they absorb nitrates
they absorb sulphates
2. What one of the following is not regarded as an essential nutrients for plants?
Carbon
Hydrogen
Oxygen
Potassium
3. Which of the following is not a primary nutrient?
Nitrogen
Carbon dioxide
Phosphorus
Potassium
4. What is the name for the industrial process to make ammonia?
Ostwald Process
Haber Process
Contact Process
Fractional Distillation of Liquid Air
5. What fertiliser is formed, when nitric acid is reacted with ammonia?
NH
4
NO
3
HNO
3
NH
4
(NO
3
)
2
(NH
4
)
2
NO
3
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