AQA AS Biology - Unit 1 Biology and Disease Revision

This provides a quick quiz for the topics of causes of disese, enzymes and the digestive system and cells and movement in and out of them

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  • Created by: Vicky
  • Created on: 30-11-11 15:46

1. What is a pathogen?

  • Bacteria that invades the body
  • A microorganism that causes disease
  • A microorganism that causes infection
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Other questions in this quiz

2. Why are the respiratory and digestive systems the most common sites of entry for pathogens?

  • Diffusion takes place here - so they have a large surface area, have a good blood supply and are thin so that the pathogens can easily attach to them and penetrate
  • The immune system is weak in these systems
  • They are easy for the microorganisms to colonise
  • They are large organs

3. The purpose of enzymes is to break down the invading pathogens

  • True
  • False

4. How do pathogens cause disease?

  • by resisting the host
  • by damaging host tissues and producing toxins
  • by colonising the host

5. How is a person defined as being infected?

  • If a pathogen causes damage to the host tissue
  • If a pathogen gains entry to the host and colonises its tissue
  • If a pathogen resists the defences of the host

Comments

Kirsten

Very helpful! Thank! :)

Rochelle Smith

Q.12 You don't boil the Benedict's test..you warm it gently

Andy

Thanks

Haji

How can i download these notes as a pdf file for my phone

Mirte

Good quiz! On some of the earlier questions its quite easy to see which one is the answer but great resource, 30/32 ;)

Mirte

Good quiz! On some of the earlier questions its quite easy to see which one is the answer but great resource, 30/32 ;)

Ruby

Good quiz. But just wished the correct answer was shown on a wrong question :)))

Swallowtail

A popular quick quiz on causes of disese, enzymes and the digestive system, cells and movement in and out of them.  Have a go at these questions as a quick check of your knowledge. Combine them with some other Q & A resources to set up a series of tests to extend your revision.

TrillMfKai

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