Unit 2 Biology January 2012

The following diagram should be used to answer Questions 1 to 5:

1. In stage 1, the small sample of plant material is cut from

2. In stage 1, the most sensible safety precaution is to

3. The function of the stain in stage 2 is to

4. In stage 2, the most sensible precaution to protect clothes from the stain is to

5. In stage 3, the sample is squashed between

Use the following information to answer Questions 6 to 8:

6. Which correctly identifies rats that are least good at running through a maze.

7. The shape of this graph suggests that the type of variation shown is (1)

8. The distribution of the data in this graph is