GCSE AQA Biology 3 - Microbiology

Biology, unit 3 (For those taking Triple/Further Science) is broken up into three parts:

  • Exchange of materials
  • Transporting substances around the body
  • Microbiology

A 12-question quiz on the third part of unit B3, in the AQA exam.

This quiz focuses on the study of microorganisms, how they are produced and used in everyday life.

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1. When making beer, a sugary solution must be created as an energy source for the yeast. This process involves enzymes which break down the starch in barley grains to produce a sugary solution. But what is this process called?

  • Aerobic respiration
  • Yeasting
  • Malting
  • Culturing
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Other questions in this quiz

2. Yeast can respire both aerobically and anaerobically. What is the equation of fermentation (the anaerobic respiration of yeast)?

  • Glucose -> Carbon Dioxide + Ethanol
  • Glucose + Carbon Dioxide -> Ethanol + Water
  • Glucose + Oxygen -> Carbon Dioxide + Water (+ energy)
  • Carbon Dioxide + Water -> Glucose + Oxygen

3. When growing microbes on an industrial scale, large vessels are used, known as...?

  • Fermenters
  • Large-scale Petri dishes
  • Kegs
  • Fumers

4. In the making of yoghurt or cheese, the milk used should ideally be cold...

  • False
  • True

5. In 1928, Alexander Flaming discovered penicillin. It is now used as an antibiotic worldwide. But what was the mould, from which Fleming discovered Penicillin, called?

  • Pencillum
  • Penillium
  • Penicillium
  • Penicillinium
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Comments

Georgina

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100% :)

Alysha careless

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Great quiz, thanks :) **

Vicky

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Useful quiz, thank you :) x

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