The contribution of fertilisers to increase in food production is
A. 25%
B. 90%
C. 10%
D. 50%
Answer: Option D
Solution(By Examveda Team)
The contribution of fertilizers to the increase in food production is 50%.A fertilizer is any material of natural or synthetic origin that is applied to soil or to plant tissues to supply plant nutrients.
Increased use of nitrogen fertilizers has been a crucial component of the increased productivity of conventional food systems (more than 30% per capita) as part of the so-called "Green Revolution".
This transition was important in transforming the global food system, allowing for larger-scale industrial agriculture with large crop yields.
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Which photosynthetic bacteria possess both PS I and PS II?
A. Purple sulphur bacteria
B. Cyanobacteria
C. Purple nonsulphur bacteria
D. Green sulphur bacteria
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