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Chemistry Class 12 Chapter 15
Common Chemical Industries in Pakistan
Test 6
1.
The nutrients which is present in?
6-2000kg/acre
All of these
6-200gms/acre
5-200gms/acre
2.
The nutrients which is present in?
5-200gms/acre
6-200kg/acre
6-200gms/acre
All of these
3.
Macronutrients required in?
None of these
Medium amount
Large amount
Small amount
4.
The compounds that are added to soil to make up deficiency of cement of element required for growth of plants?
Micronutrients
None of these
Fertilizer
Manure
5.
Role of potassium in plants?
Impart green colour
None of these
Required for the formation of starch, sugar and the fibrous materials of the plant
The main constituent of protein
6.
Role of nitrogen in plants?
The main constituent of protein
Both a and b
None of these
Impart green colour to the leave
7.
Micronutrients required in?
Large amount
Medium amount
None of these
Small amount
8.
Role of phosphorous in plants?
Increases resistance to diseases
Required to accelerate fruit formation
None of these
Both a and b
9.
An organic material used to fertilize land and it usually consist of faces and urine of domestic livestock?
Manure
Micronutrients
None of these
Fertilizer
10.
Quality of good fertilizer are?
Do not injurious to plant
Soluble in water
All of these
Should be cheap
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