Science Entry Examination Worksheet With Answers - Whitgift School Page 43
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50Whitgift School
M9. (a)
•
(37 °C is) body temperature
accept ‘so the saliva or enzymes would work’
accept ‘it is a good or optimum temperature for digestion’
‘to make it a fair test’ is insufficient
‘so they are all the same’ is insufficient
1 (L5)
(b)
(i)
•
the starch is broken down or digested
‘there is a reaction between starch and saliva’ is insufficient
1 (L6)
(ii)
any one from
•
starch could not pass through the bag
accept ‘starch could not get through the holes’
‘the bag is semi-permeable’ is insufficient
•
starch is too big
‘the bag holds it in’ is insufficient
1 (L6)
(c)
•
for a control
if more than one box is ticked, award no mark
1 (L6)
(d)
(i)
•
P
if more than one letter is given, award no mark
1 (L6)
(ii)
•
R
if more than one letter is given, award no mark
1 (L6)
(e)
•
enzymes
accept ‘amylase’ or ‘carbohydrase’
1 (L6)
(f)
any one from
•
sweeter or sugary
accept ‘sugar’ or ‘sweet’
•
it tastes of sugar (L6)
1
[8]
Whitgift School
| 13+ Science Examination - Sample Paper
43
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