Marta is running, Sam is sitting on a chair. Suggest two things Marta will need more of than Sam. (2)
Question 2
2.
Suggest one way Marta's body will change when she runs.
Question 3
3.
Name two substances aerobic respiration produces in humans. (2)
Question 4
4.
Which gas is needed for respiration in plants?
Question 5
5.
Which organs get shorter and thicker to make the lung volume greater?
1
Question 6
6.
There are no units given in the table. Suggest suitable units for the volume of air.
1
Question 7
7.
What is the mean average volume of air per breath? show your working (2)
1
1
Question 9
9.
Describe two features that increase the speed of gas exchange in the air sacs. (2)
1
1
Question 11
11.
Name one food made using bacteria.
1
Question 12
12.
State two resources bacteria need to grow. (2)
1
Question 13
13.
Describe what the pie chart of the scalp shows.
1
1
Question 15
15.
Suggest an area inside the body where you would expect to find bacteria.
1
Question 16
16.
Most bacteria are decomposers. Describe what a decomposer does.
1
1
Question 19
19.
The red panda is an endangered mammal. Red pandas live in the trees in the forest in China. Explain one way of making sure the red panda does not become extinct.
Question 20
20.
Give one reason why we should try to keep a high biodiversity.
Question 21
21.
Which part of a cell are chromosomes found in?
Question 22
22.
Name one substance found in chromosomes.
1
Question 23
23.
Name this specialised plant cell
1
Question 24
24.
What is the function of this cell?
1
Question 25
25.
Name this process
1
Question 26
26.
State where this process happens
1
1
Question 8
8.
Which two gases are exchanged in the air sacs? tick one box
Question 10
10.
What does the bacterium use part X for?
Question 14
14.
What percentage of underarm bacteria were Campylobacter?
Question 17
17.
What is the name for organisms made of only one cell.
Question 18
18.
Which of these kingdoms contains only organisms which are made of only one cell?