Page 39 - General and Inorganic Chemistry for Advanced Secondary Schools Students Book Form Five and Six

Biology for Secondary Schools

Revision exercise 2

1. Identify the apparatus or equipment you can use to perform each of the
following biological activities:
(a) Catch a frog from a pond in order to study its external features.
FOR ONLINE READING ONLY
(b) Collect insects and small animals from the school compound.
(c) Estimate the number of small organisms per square metre.
2. As a biology student, how would you help your friend to label and state the
functions of the parts of the microscope labelled A-E in Figure 2.31?

E

A

B
C
D

Figure 2.31

3. Amina was performing an experiment. Some of her specimens were very
delicate and small. Which apparatus was she supposed to use in order to lift

these specimens from the specimen bottle?

4. John attempted to observe plant cells using a prepared slide under a light
microscope, but he was unable to obtain a clear image due to the following
challenges:
(a) The slide containing specimen did not settle on the stage for
observation.

(b) He was unable to achieve sharp focus.
(c) The image was too bright, making it difficult to see the detail of
specimen.

Student’s Book Form One Student’s Book Form One 33

15/10/2024 09:24:22
Biology FORM 1 new.indd 33
Biology FORM 1 new.indd 33 15/10/2024 09:24:22