Indian Economy
Which among the following fertilisers is least likely to affect the Soil pH?
A. Urea
B. Rock Phosphate
C. Ammonia
D. Muriate of potash
D. Muriate of potash
Highest percentage of nitrogen is found in which among the following fertilisers among the given options?
A. Calcium ammonium nitrate
B. Ammonium nitrate
C. Calcium nitrate
D. Urea
D. Urea
Which among the following is the largest source of irrigation in India, apart from rains?
A. Tubewells
B. Canals
C. Rivers
D. Tanks
A. Tubewells
Which among the following revolutions is related to 'fertilisers'?
A. Silver Revolution
B. Grey Revolution
C. Golden Revolution
D. Pink Revolution
B. Grey Revolution
Which of the following places in the world is known for 'Guano', a uniquely-produced natural fertiliser which has a high concentration of nitrates?
A. Tierra del Fuego
B. Atacama desert
C. Minas Gerais of Brazil
D. Coastal headlands and Islands of Peru
D. Coastal headlands and Islands of Peru
In India, Tank irrigation is more common in which of the following regions?
A. Rocky plateau regions with uneven and highly seasonal rainfalls
B. Regions with the presence of perennial rivers and plenty of rainfall
C. Arid and Semi-Arid regions with scanty rainfall
D. Coastal regions with regular rainfall
A. Rocky plateau regions with uneven and highly seasonal rainfalls
Which of the following fertilisers has the highest nitrogen content?
A. Calcium Nitrate
B. Anhydrous Ammonia
C. Ammonium Nitrate
D. None of these
B. Anhydrous Ammonia
The mosquito fern or Azolla is one of the most important biofertilizers. In association with which among the following does Azolla act as a biofertilizer?
A. Blue-green algae
B. Bacteria
C. Fungus
D. Green algae
A. Blue-green algae
Tank irrigation is most predominantly practised in:
A. North India
B. West India
C. South India
D. North-East India
C. South India
Natural Gas is one of the materials used in the making of Fertilisers. What is the function of Natural gas in the production of Fertilisers?
A. As a fuel, to supply heat
B. As a Reducing agent
C. As a catalyst to produce complex fertilisers
D. As a feedstock for the production of ammonia
D. As a feedstock for the production of ammonia