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Solution


Q.

Which one of the following population interactions is widely used in medical science for the production of antibiotics         [2018]
1 Commensalism  
2 Mutualism  
3 Parasitism  
4 Amensalism  

Ans.

(4)

Amensalism is a relationship between organisms of different species in which an organism does not allow other organism to grow or live near it. Inhibition is achieved through the secretion of chemicals called allelochemics. Antibiotics are a kind of allelochemics produced by some microbes which in small concentration can kill or retard growth of harmful microbes without adversely affecting the host.