40 questions, one mark each, inside the 2 hours 30 minutes.
Questions
40, one mark each
Marks
40 of 120
Answers
Recorded on the Multiple-Choice Answer Sheet
Pace
At 1.25 minutes a mark, about 50 minutes for Section A
Where it trips people
Which molecule or cell does what, when two are similar.
Reading a gel, a graph or a table before the options.
Inhibitors, limiting factors and allele frequencies in data.
Try 2 questions
Question 1
Distance travelled by each band of a DNA ladder.
Fragment size / bp
Distance from well / mm
1000
12
800
18
600
25
400
34
200
46
A DNA ladder and an unknown fragment were run on the same gel. The table gives the distance each ladder band travelled from the well. The unknown fragment travelled 30 mm. What is the best estimate of its size?
Question 2
Which process is the original source of every new allele in a population's gene pool?