Page 159 - SUBSEC October 2017_Neat
P. 159
- 7 -
DO NOT WRITE IN THIS AREA
(d) (i) State PRECISELY what happens to the cortical cells in the 0.1 M sucrose solution.
.................................................................................................................................
.................................................................................................................................
.................................................................................................................................
.................................................................................................................................
.................................................................................................................................
.................................................................................................................................
.................................................................................................................................
DO NOT WRITE IN THIS AREA
[2 marks]
(ii) State PRECISELY what happens to the cortical cells in the 0.4 M sucrose solution.
.................................................................................................................................
.................................................................................................................................
.................................................................................................................................
.................................................................................................................................
.................................................................................................................................
.................................................................................................................................
.................................................................................................................................
[2 marks]
DO NOT WRITE IN THIS AREA
(e) Give ONE reason why the strip shown in Figure 1 (ii) on page 4 curves backward
immediately after it is released.
..............................................................................................................................................
..............................................................................................................................................
..............................................................................................................................................
.............................................................................................................................................
[1 mark]
Total 18 marks
GO ON TO THE NEXT PAGE
02107032/CAPE/SPEC 2017
‘‘*’’Barcode Area”*”
Sequential Bar Code
