IGCSE BIOTECHNOLOGY AND GENETIC ENGINEERING

WHAT IS BIOTECHNOLOGY?

• the application of biological organisms, systems or processes to manufacturing and service industries

• the application of non-biological organisms, systems or processes to manufacturing and service industries

• the application of biological organisms to manufacturing and service industries

• the application of biological organisms and systems only to manufacturing and service industries

What term is used for the transference of a gene from one organism to another?

• artificial selection

• genetic engineering

• mutation

• natural selection

What is the role of anaerobic respiration in bread-making?

• to produce alcohol to flavour the bread

• to produce gas to make the bread rise

• to release enough energy to bake the bread

• to release enough lactic acid to kill the yeast

Classical biotechnology is considered as

• germination

• fermentation

• diffusion

• osmosis

Biotechnology is used to form

• medicines

• modified crops

• lactose tolerant milk

• All of the above

Biotechnology is used to produce

• wine

• bread

• insulin

• All of the above

Grapes are used to make wine. But without _________ production of wine is not possible.

• yeast

• bacteria

• fungus

yeast helps to produce ___________ & ___________ from grapes

• alcohol; water

• alcohol; carbon dioxide

• water; carbon dioxide

Hepatitis B vaccine is produced by

• Biotechnology

• genetic engineering

• Both biotechnology and genetic engineering

Hepatitis B vaccine helps in treating

• lung cancer

• brain tumour

• liver cancer

• kidney stones