CAIE IGCSE Biology 21 Biotechnology and Genetic Modification Questions
Practise applying microorganism, enzyme, fermenter and plasmid knowledge to food production, medicines and modified crops.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Practise applying microorganism, enzyme, fermenter and plasmid knowledge to food production, medicines and modified crops.
Which is a reason for using bacteria in biotechnology?
Bacteria are found inside the human body.
Bacteria do not become resistant to antibiotics.
Bacteria can make complex molecules.
Bacteria reproduce slowly.
C
Some countries have invested in biofuels such as ethanol, biomass and biodiesel.
Describe how ethanol can be made by microorganisms.
by yeast ;
(using) anaerobic respiration ;
Which statement about genetic modification is correct?
It involves choosing which individual organisms are used for breeding.
It is always done using genes from the same species.
It produces a new combination of genes.
It produces exact copies of individual organisms.
C
Which cell structure makes bacteria useful for genetic modification?
cell membrane
cell wall
cytoplasm
plasmids
D