1. | The association which involves the exchange of nutrients between two species is referred to as ______________ |
a. | mutualism |
b. | syntrophism |
c. | commensalism |
d. | antagonism |
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Answer: (b).syntrophism
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2. | The degradation of complex molecules in soil by fungi for utilization by bacteria is an example of which type of association? |
a. | Neutralism |
b. | Mutualism |
c. | Commensalism |
d. | Antagonism |
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Answer: (c).Commensalism
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3. | Which of the following types of association is present among Staphylococcus aureus and Aspergillus terreous? |
a. | antagonism |
b. | mutualism |
c. | parasitism |
d. | commensalism |
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Answer: (a).antagonism
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4. | Lytic enzymes which destroy are secreted by which of the following microorganism? |
a. | fungi |
b. | algae |
c. | staphylococcus |
d. | myxobacteria |
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Answer: (d).myxobacteria
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5. | Fungi produces which of the following inhibitory toxic product? |
a. | cyanide |
b. | fatty acids |
c. | methane |
d. | sulphides |
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Answer: (a).cyanide
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