Biotechnology Quiz paper 2 ( IGCSE)

What identifies pathogens L & M and structures R & S?

• A

• B

• C

• D

What is insterted at P so that the bacterium can produce human insulin, and which enzyme is used to catalyse the insertion?

• A section of human DNA using DNA ligase

• A section of human DNA, using restriction enzyme

• A section of human mRNA, using DNA ligase

• A section of human mRNA using restriction enzyme

What is the function of the part labelled X?

• Add oxygen to the solution

• Maintain an even tempreture throughout the solution

• record the pH of the solution

• sterilize the solution

Which row correctly completes gaps 1,2,3 and 4?

• A

• B

• C

• D

Which row shows the correct process at 1,2, and 3 ?

• A

• B

• C

• D

Which product is made using an enzyme rather than bacteria or fungi?

• a) insulin

• b) penincilin

• c) Lactose - free milk

• d) mycoprotein

What are examples of genetic modification?

• A) 1 and 3

• B) 1 only

• C) 2 and 3

• D) 3 only

What is the reason of inserting gees into bacterial cells?

• A) To confer resistance in herbicides

• B) to confer resistance to insect pests

• C) to improve their nutrional qualites

• D) to produce human proteins

• A

• B

• C

• D

Which statement of genetic modification is correct?

• A) it always involves choosing which individual organisms are used for breeding

• B) it always done using genes from the same species

• C) it produces a new combination of genes

• D) it produces exact copies of individual organisms