Download S1 Science - Microbes and Health - Homework 1

S1 Science –Microbes and Health- Homework 2
1
Name ………………………………
List the five kingdoms of living organisms and give a named example from each one.
i. …………………………………,for example …………………………………
ii. …………………………………,for example …………………………………
iii. …………………………………,for example …………………………………
iv. …………………………………,for example …………………………………
v. …………………………………,for example ………………………………… (5)
2
What is meant by the term “pathogen”?
……………………………………………………………………………………………………
……………………………………………………………………………………………… (1)
3
Influenza or ‘flu is caused by a virus. Which kingdom of living organisms does it belong to?
…………………………………………………………………………………
4
(1)
All living organisms carry out respiration. Where does this take place?
………………………………………………………………………………………………………..(1)
5
What are the products of respiration?
………………………………………………. and …………………………………………
6
(1)
Yeast is a very useful unicellular organism. List three uses of yeast.
i. ………………………………………………
ii. ………………………………………………
iii. ………………………………………………
7
(3)
What does yeast require in order to grow and multiply and carry out respiration?
a. …………………………………………………………………………
b. ………………………………………………………………………….
c. ………………………………………………………………………….
(3)
8
Yeast can also be a pathogen. Name a disease caused by yeast. …………………………. (1)
9
Give 4 safety precautions which have to be taken when growing bacteria in Petri dishes.
i. ………………………………………………………………………………..
ii. ……………………………………………………………………………….
iii. ……………………………………………………………………………………
iv. ……………………………………………………………………………
(4)
Total out of 20……….
………%