Download 1. (a) cells if more than one box is ticked, award no mark 1 (b) tail 1

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Transcript
1.
(a)
cells
if more than one box is ticked, award no mark
1
(b)
tail
(c)
testis or testicle
accept plurals
1
(d)
fertilisation
if more than one box is ticked, award no mark
1
1
[4]
2.
(a)
(i)
oxygen
accept ‘O2’
1
do not accept ‘air’
(ii)
any one from
 glucose
 digested food
 vitamins
 minerals
 water
1
accept ‘sugar’
accept ‘amino acids’ or ‘fatty acids’ or ‘glycerol’
accept ‘food’ or ‘nutrients’
accept a named vitamin
accept a named mineral
(b)
any one from
1
 it prevents oxygen getting to the accept ‘it stops oxygen’
organ
 it prevents food getting to the organ
 it stops blood getting to the organ accept ‘it blocks the blood vessel’
accept ‘it causes a heart attack’ or ‘a stroke’
or ‘thrombosis’
accept ‘it stops the flow of blood’ or ‘it stops
blood flowing around the body’
‘you would die’ is insufficient
(c)
any one from
 it stops bleeding
 it prevents bacteria or viruses from entering
accept ‘microbes’ or ‘germs’ for bacteria
these less precise terms are accepted if the
answer indicates that the scab acts as a
barrier
‘to keep it clean’ is insufficient
accept ‘it stops dirt getting in’
accept ‘it stops infection’
accept ‘it stops disease’
‘it stops diseases getting in’ is insufficient
1
[4]
3.
lung
accept ‘lungs’
heart
kidney
1
1
accept ‘kidneys’
1
[3]
Idsall School
1
4.
(a)
(b)
(i)
chloroplast
1
(ii)
chloroplast
answers may be in either order
1
cell wall
accept ‘wall’
do not accept ‘vacuole’
1
part of the cell
chloroplast
1
nucleus
1
cell wall
accept ‘wall’
1
cell membrane
accept ‘membrane’
1
[7]
5.
accept ‘blood cell’ or ‘erythrocyte’
(a)
red blood cell
(b)
(i)
B
1
(ii)
A
1
(i)
testis or testicle
1
(ii)
leaf
(c)
accept ‘stem’ or ‘sepal’ or ‘stalk’
or ‘any green part’
1
1
[5]
6.
(a)
(b)
A: membrane
1
B: nucleus
1
C: cytoplasm
1
any two from
 cell wall
chloroplasts
large vacuole
2
accept 'chlorophyll'
accept 'vacuole''
accept 'starch grain'
[5]
7.
(a)
(b)
Idsall School
the leaf
answers must be in the correct order
accept ‘a green part’
accept ‘stem’ or other named green part
1
root
accept ‘root hair’
1
cell wall
1
2
(c)
(d)
(i)
A
(ii)
to control the cell
(i)
any one from
1
accept ‘contains genetic information’
or ’controls the production of enzymes’
1
1
it has no chloroplasts or no chlorophyll
(ii)
respiration
1
if more than one box is ticked, award no
mark
[7]
8.
(a)
cell wall
answers may be in either order
1
chloroplast
accept ‘vacuole’
do not accept ‘X’
1
(b)
nucleus
do not accept ‘chromosomes’
1
(c)
chloroplast
do not accept ‘chlorophyll’
1
(d)
vacuole
accept ‘sap’
accept the correct label written within the
vacuole on the diagram or next to label X
1
(e)
near the upper surface of a leaf 
if more than one box is ticked,
1
award no mark
[6]
9.
(a)
answers may be in either order
cell wall
chloroplast
(b)
(c)
(i)
photosynthesis
(ii)
it decreases
glucose
any one from
 for energy
 for respiration
1
accept ‘starch grains'
1
1
accept 'it gets less' or ‘they are used up'
do not accept ‘they die out'
1
accept ‘sugar'
1
1
[6]
Idsall School
3