Biology Quiz... :)

Created by: Olivia Blanchet
Created on: 21-03-10 12:56

In parts of London, there was an increase in the number of cases of TB in the 1990s. which factor is most likely to have contributed to this?

overcrowded accomodation

1 of 5

what is the function of a companion cell in mature phloem tissue?

providing cytoplasmic contact with the sieve tube for loading

2 of 5

some antibiotics are used in animal feed to reduce disease. What explains why these antibiotics should not be used in the treatment of human diseases?

pathogenic bacteria may develop resistance to these antibiotics

3 of 5

what is an effect of inhaling tobacco smoke?

reduced Oxygen transport by blood

4 of 5

a person with emphysema must consciously contract muscles in order to breathe out. what makes this muscle contraction necessary?

loss of elasticity in the alveolar walls

5 of 5

Other cards in this set

Card 2

Front

what is the function of a companion cell in mature phloem tissue?

Back

providing cytoplasmic contact with the sieve tube for loading

Card 3

Front

some antibiotics are used in animal feed to reduce disease. What explains why these antibiotics should not be used in the treatment of human diseases?

Back

Card 4

Front

what is an effect of inhaling tobacco smoke?

Back

Card 5

Front

a person with emphysema must consciously contract muscles in order to breathe out. what makes this muscle contraction necessary?

Back

Comments

Laura Aldridge

Report Mon 22nd March, 2010 @ 19:24

very good!

Olivia Blanchet

Report Wed 24th March, 2010 @ 13:18

:)... thank you... X

ruth wild

Report Wed 31st March, 2010 @ 15:59

thank you,

martin

Report Mon 10th May, 2010 @ 09:46

Nice little wie quiz las

Get Revising

Biology Quiz... :)