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A1.3 - Microbes

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✅EvaluateQuestion 1 of 21

In Human and Social Biology, the term 'microbe' (microorganism) refers mainly to:

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✅EvaluateQuestion 2 of 21

Which group contains ONLY microbes?

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✅EvaluateQuestion 3 of 21

Which statement best describes the structure of a typical bacterial cell?

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✅EvaluateQuestion 4 of 21

Which structure is found in fungi but NOT in viruses?

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✅EvaluateQuestion 5 of 21

The protein coat surrounding the genetic material of a virus is called the:

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✅EvaluateQuestion 6 of 21

Which feature is common to bacteria and fungi but NOT to viruses?

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✅EvaluateQuestion 7 of 21

Which statement about viruses is TRUE?

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✅EvaluateQuestion 8 of 21

Bread left in a warm kitchen in Trinidad becomes covered with fuzzy green and black growth. This growth is mainly made of:

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✅EvaluateQuestion 9 of 21

Which row correctly compares the presence of a true nucleus in bacteria, fungi and viruses?

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✅EvaluateQuestion 10 of 21

A student describes a microbe as having hyphae, a cell wall not made of cellulose, and a true nucleus. This microbe is most likely a:

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✅EvaluateQuestion 11 of 21

Heavy rainfall in a Caribbean village leads to contamination of river water. Some villagers develop leptospirosis. The causative microbe in this case is a:

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✅EvaluateQuestion 12 of 21

Which feature best explains why viruses are not considered full cells like bacteria and fungi?

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✅EvaluateQuestion 13 of 21

Which combination correctly matches a microbe with a common Caribbean example?

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✅EvaluateQuestion 14 of 21

A doctor prescribes antibiotics for a patient with a bacterial throat infection. These antibiotics would be LEAST effective against which microbe?

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✅EvaluateQuestion 15 of 21

A scientist describes three samples: I. Has cell wall, cell membrane, cytoplasm, DNA not in a nucleus. II. Has cell wall, cytoplasm, hyphae, true nucleus. III. Has RNA and a protein coat, no cell wall. Which option correctly identifies I, II and III?

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✅EvaluateQuestion 16 of 21

Which sequence shows increasing structural complexity of microbes?

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✅EvaluateQuestion 17 of 21

Which pair of statements about reproduction of microbes is correct?

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✅EvaluateQuestion 18 of 21

Which feature can be used to distinguish a fungal cell from a plant cell under the microscope?

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✅EvaluateQuestion 19 of 21

A virus infecting liver cells in a Caribbean patient is found to contain RNA but no DNA. Which conclusion is most correct?

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✅EvaluateQuestion 20 of 21

A food technologist studies a microbe that has a cell wall, no true nucleus, and can live alone in sugar-rich cane juice. From this information, this microbe is most likely:

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✅EvaluateQuestion 21 of 21

Which statement best explains why viruses are described as 'obligate intracellular parasites'?

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✅EvaluateQuestion 1 of 21

In Human and Social Biology, the term 'microbe' (microorganism) refers mainly to:

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