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.

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?
Malting
1 of 8
Yeast can respire both aerobically and anaerobically. What is the equation of fermentation (the anaerobic respiration of yeast)?
Glucose -> Carbon Dioxide + Ethanol
2 of 8
When growing microbes on an industrial scale, large vessels are used, known as...?
Fermenters
3 of 8
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?
Penicillium
4 of 8
Yoghurt is formed by the action of bacteria on...?
the lactose in the milk
5 of 8
Microorganisms need to be kept at the right temperature in order for them to grow effectively. But why is it necessary for typical fermenters to having cooling jackets?
The microorganisms produce heat as they respire. Without the cooling jacket, the fermenter would get too hot
6 of 8
What is the main component of Biogas?
Methane
7 of 8
Recently, a completely new food, based on fungi, has been developed. It is produced using the fungus FUSARIUM. But what is this food called?
Mycoprotein
8 of 8

Other cards in this set

Card 2

Front

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

Back

Glucose -> Carbon Dioxide + Ethanol

Card 3

Front

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

Back

Preview of the front of card 3

Card 4

Front

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?

Back

Preview of the front of card 4

Card 5

Front

Yoghurt is formed by the action of bacteria on...?

Back

Preview of the front of card 5
View more cards

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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