Mutation test

Lets test whether you have understood the topic or not!!!

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  • Created by: Pinkypops
  • Created on: 05-01-10 20:55

Have you revised Mutation?

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Have you revised Mutation?

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ARE YOU READY WITH A PIECE OF PAPER AND PEN?

IN EXAM CONDITIONS...

YOU HAVE ONLY 5 MINS TO FINISH

WHICH STARTS

NOW

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MUTATION TEST QUESTIONS

  • What does mutation mean? (1 mark)
  • What are the four disadvantages of mutation? (4 marks)
  • What are the two advantages of mutation?(2 marks)
  • What is the main cause of mutation? (1 mark)
  • What are the two ways by which the chances of mutation can increase? (4 marks)
  • What are the two effects of mutation? (2 marks)

DONE check your answers very carefully for rest of the time.

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MUTATION TEST ANSWERS

  • What does mutation mean? (1)

Mutation means changes in the genetic codes.

  • What are the four disadvantages of mutation? (4)

1. change in the sequence of the DNA bases. 2. production of protien stops or a different protien is made. 3. New characteristics 4. Increase in variation

1 Mark for each point

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  • What are the two advantages of mutation? (2)

1. one can survive for longer

2. Mutation in a bacterium can make you resistant to antibodies.

  • What is the main cause of mutation? (1)

The main cause of mutation is generally when the chromosome does not quite copy itself.

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MUTATION TEST ANSWERS

  • What are the two ways by which the chances of mutation can increase? (4)

1. Exposure to nuclear radiation, x-rays and UV light (2- any 4m the 3 words) 2. Smoking; chemicals in a cigarette contain mutagens. If the mutant cells cause cancer they are called carcinogen. (2- any 2 words from the underlined words given)

  • What are the two effects of mutation? (2)

1. Abnormal baby 2. Cancer (1 mark each)

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HOW WELL DID YOU DO?

Add up your score and give yourself a mark out of 14.

A* 14-13 YOU ROCK!

A 12-11 BRILLIANT

B* 10-9 EXCELLENT

B 8-7 GOOD

C 6-5 ALRIGHT I REALLY

D 4-3 BAD NEED TO WORK

E 2-0 WORSE HARDER!!!

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