| 1 |
Due to limited availability of raw material,potash fertilizer: |
is manufactured in limited countries
is manufactured in 19 countries
is manufactured in a few countries
is manufactured in 50 countries
|
| 2 |
In the world, which continent ranks first in phosphate manufacturing? |
Europe
Australia
South America
Asia
|
| 3 |
Phosphorus fertilizer is prepared with the help of: |
different minerals
rock phosphate
coal
chemical matter
|
| 4 |
Rock sodium nitrate fulfill, how many percentage of nitrogen fertilizer: |
5 percent
20 percent
50 percent
fulfil no need
|
| 5 |
In the world, rock sodium nitrate reservoirs are present: |
in Afghanistan
in Pakistan
in Chile
in U.S.A
|
| 6 |
According to investigate of agriculture experts, the plant require: |
16 basic elements
50 basic elements
not any mineral element
some necessary elements
|
| 7 |
Legume crops increase/provide soil: |
sulphur
copper
nitrogen
no thing
|
| 8 |
Wood ash contains very large amount of: |
Zinc
Calcium
Iron
Potash
|
| 9 |
Presence of nitrogen,phosphorus and potassium in the soil for plant growth: |
is not necessary
is very necessary
is not very necessary
is absolutely not necessary
|
| 10 |
Plants got nitrogen from atmosphere: |
directly
not directly
at day time
at night time
|
| 11 |
In the atmosphere, nitrogen: |
is not present
is present in small amount
is present at large scale
is present to some extent
|
| 12 |
In the establishment of fertilizer industry, location has: |
no importance
importance to some extent
very importance
absolutely no importance
|
| 13 |
Von Leibig investigated in 1840, that for plant growth: |
water is necessary
minerals are needed
there is no need of minerals
organic matter is needed
|
| 14 |
Chemical fertilizers are used: |
to maintain the fertility of the soil
to decrease the production
for specific purposes
for not any purposes
|
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