Aqa GCSE Biotechnology
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A revision quiz for GCSE students on Biotechnology.
- 1.What type of micro-organism is yeast?
- A.
Bacteria
- B.
Fungi
- C.
Virus
- D.
Animal
- E.
Plant
- 2.What is biogas?
- A.
Ethanol
- B.
Carbon Dioxide
- C.
Oxygen
- D.
Methane
- E.
Nitrates
- 3.What is not an advantage of ethanol based fuels?
- A.
Cheap
- B.
Carbon-neutral
- C.
Readily available to everyone in all countries
- D.
Do not contribute to global warming
- E.
Relatively easy to produce
- 4.Which enzyme is used in the production of ethanol-based fuels?
- A.
Protease
- B.
Carbohydrase
- C.
Lipase
- D.
Ligase
- E.
Polymerase
- 5.What is not found in a fermenter?
- A.
Stirrer
- B.
Motor
- C.
Water-cooled jacket
- D.
PH probe
- E.
Heater
- 6.What is not an advantage of Mycoprotein production?
- A.
It is tasty in lots of cooked dishes.
- B.
It is cheap to make from bacterial cultures.
- C.
It is low in fat.
- D.
It is high in protein.
- E.
Easily made in a fermenter
- 7.Name the micro-organism involved in Mycoprotein production.
- A.
Fusarium
- B.
Lactobacillus
- C.
Fungium
- D.
Yeast
- E.
Bacteria
- 8.How do we sterilise instruments at school ready for microbiology work?
- A.
Heat in a hot flame until they glow red.
- B.
Bleach them
- C.
Soap and water
- D.
Pass through a bunsen flame
- E.
Fairy Liquid
- 9.What is a difference between yoghurt and cheese production?
- A.
The use of lactic fermentation.
- B.
The use of enzymes to enhance clotting
- C.
The use of bacterial cultures
- D.
Conversion of lactose to lactic acid
- E.
Tha clotting of milk
- 10.How is ethanol separated from fermentation products?
- A.
Distraction
- B.
A net
- C.
A sieve
- D.
Filter paper
- E.
Distillation
- 11.What is not involved in malting?
- A.
Enzymes
- B.
Starch
- C.
Carbohydrase
- D.
Barley grains
- E.
Hops
- 12.What is not found in agar in a petri dish?
- A.
Starch
- B.
Amino Acids
- C.
Glucose
- D.
Mineral ions
- E.
Water
- 13.Gasohol is an mixture of petrol and what?
- A.
Gasoline
- B.
Water
- C.
Diesel
- D.
Ethanol
- E.
Methane
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