Module 01Assignment
Q1 Pair the statements (1-5) in the second list with the processes (A-E) in the first list. Put the
correct number in the answer space.
A ….
B ….
C ….
D ….
E ….
(5 marks)
Q2 A student measured the diameter of a diagram of a cell and found it was 25 mm. By the
side of the diagram was the label ‘x10’. What was the diameter of the real cell?
(a) 250 mm
(b) 25 mm
(c) 25 cm
(d) 2.5 mm
(e) 2.5 cm
Answer:
(1 mark)
A
B
C
D
E
Feeding
Respiration
Sensitivity
Excretion
Growth
1
2
3
4
5
the release of energy from food
the removal of waste products
increase in mass
the ability to react to stimuli
the obtaining of food
Answer:
Answer:
Answer:
Answer:
Answer:
Q3 Which of the following are all examples of types of tissues?
(a) blood, stomach, nervous
(b) nervous, muscle, blood
(c) bone, muscle, eye
(d) glandular, intestine, muscle
(e) stomach, glandular, bone
Answer:
(1 mark)
Q4 The smell of cooking onions quickly spreads through a house. This process is called:
(a) osmosis
(b) active transport
(c) dissolving
(d) diffusion
(e) radiation
Answer:
(1 mark)
Q5 What is meant by the term ‘active transport’?
(2 marks)
Q6 At the start of an investigation, two measuring cylinders, labelled A and B, were each filled
with 70 cm3 of liquid. One contained distilled water and the other salt solution. Two cylinders
of potato, each 55 mm long, were cut using the same cork borer. One was placed in each
liquid. After 30 minutes the potato cylinders were removed. The diagrams below show the
potato cylinders and the liquid in each measuring cylinder at the end of the investigation.
Potato cylinder
from A
90
90
80
80
70
70
60
60
10
10
Potato cylinder
from B
Cylinder A
Cylinder B
(a) (i) Measure the length of each potato cylinder (Note: If you measure on-screen, remember
to use the scale on your tool-bar)
The length of the potato cylinder from A =
The length of the potato cylinder from B =
(2 marks)
(a) (ii) Record the volume of liquid in each measuring cylinder.
The volume of liquid in measuring cylinder A =
The volume of liquid in measuring cylinder B =
(2 marks)
(a) (iii) Express the changes in length of the two potato cylinders as a percentage of their
initial length.
Percentage change in length of potato cylinder from A =
Percentage change in length of potato cylinder from B =
(2 marks)
(b) (i) Explain the change in length of each of the potato cylinders in cylinders A and B.
Explanation for change in A:
Explanation for change in B:
(6 marks)
(b) (ii) Which measuring cylinder contained the distilled water?
Answer:
(1 mark)
(b) (iii) Suggest how the texture (feel) of the two potato cylinders might be different at the end
of the experiment.
Answer:
(2 marks)
Q7 The drawing below shows a human cheek cell as it looks through a light microscope.
A
B
(a) Name the parts labelled A and B.
The name of part A is
The name of part B is
(2 marks)
(b) Name two structures not present in this cell, which would be present in a cell from the leaf
of a French bean plant.