MCQ
Amensalism is an association between two species where:
- AOne species is harmed and other is benefitted.
- BOne species is harmed and other is unaffected.
- COne species is benefitted and other is unaffected.
- DBoth the species are harmed.
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$R$ : It must not be resilient to occasional disturbance.
| Column $-I$ | Column $-II$ |
| $(A)$ Saccharomyces cerevisiae | $(i)$ Production of immuno-suppressive agent |
| $(B)$ Monascus purpureus | $(ii)$ Ripening of Swiss cheese |
| $(C)$ Trichoderma polysporum | $(iii)$ Commercial production of ethanol |
| $(D)$ Propionibacterium | $(iv)$ Production of blood-cholesterol lowering agents |