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Common Chemical Industries in Pakistan - 11
1.
The use of manure as fertilizer dates back to the beginning of agriculture.
a) False
b) True
2.
Nitrogen, Sulphur and halogen are required for the proper growth of plants.
a) False
b) True
3.
Micro nutrients are required in quantities ranging from 8 grams to 300 gms per acre.
a) False
b) True
4.
A good fertilizer should not be injurious to plant.
a) True
b) False
5.
Urea is used in liquid state while all other fertilizers are used in the solid form.
a) False
b) True
6.
Urea is a high quality nitrogenous fertilizer.
a) True
b) False
7.
Phosphatic fertilizers provide nitrate to the plant or soil
a) True
b) False
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