Download 1 Underline which of these are true about all living things: A they

M
Test yourself
Cells
?
Unit A
1 Underline which of these are true about all living things:
A they think
B they move
C they grow
D they chew
E they are made of cells
2 Complete the sentences by crossing out the wrong words:
T
a Magnification means to make a specimen look bigger/smaller.
b The magnification of your eyepiece lens is 10.
The magnification of your objective lens is 10.
The total magnification is 10/100.
3 Label the diagram of the animal cell and plant cell using these words:
nucleus
cytoplasm
cell wall
chloroplast
cell membrane
4 By drawing lines, match up the features with their function in a cell:
Feature
Nucleus
Cytoplasm
Cell wall
Chloroplast
Vacuole
Cell membrane
Function
chemical reactions happen here
makes food using light
controls what happens in the cell
stops the cell bursting or collapsing
controls what goes into and out of the cell
stores water, salt and sugar
5 Different cells have different structures to help them carry out different functions.
By drawing lines, match the type of cell to its function and then to the feature
which helps it carry out its function.
Type of cell
Sperm cell
Egg cell
Nerve cell
Red blood cell
Epithelium cell
Root hair cells
Function
To take in water from the soil
To carry as much oxygen as possible
To cover the surface of organs
To feed developing young
To carry messages
To swim to egg
Feature
Flat and in sheets
Very long
Long tail
Long and very thin
Large food stores
No nucleus
Continued !
369
q I Bradley, C Tear, M Winterbottom, S Young, 2001, The Heinemann Science Scheme
M
Test yourself
Cells continued
?
T
Unit A
6 Complete the sentences by crossing out the wrong
words:
a
b
c
d
e
A tissue is made of lots of cells/organs.
An organ is made of lots of tissues/keys.
Muscle is a tissue/organ.
The heart is a cell/tissue/organ.
Xylem is a tissue/organ.
7 New cells are made by cell division. Which part of the
cell divides first during cell division?
A cytoplasm
B nucleus
C cell membrane
8 Choose from these words to fill in the gaps in the
sentences. You may use the words once, more than
once, or not at all.
pollen tube
style
egg cell
pollen cell
stigma
a Pollination happens when a pollen grain lands on the
of another plant.
b The pollen grain grows a
which grows down through
the style to the ovary.
c The
moves down the pollen tube into the ovary.
d When fertilisation happens in plants a
with an
.
370
q I Bradley, C Tear, M Winterbottom, S Young, 2001, The Heinemann Science Scheme
joins together