1. Name the organelle that performs each of the following functions in a cell.
(a) Protein Synthesis
(b) Transport of cell secretions
2. State two functions of cell sap.
3. State the functions of the following cell organelles
(a) Golgi apparatus
(b) Ribosomes
4. Which organelle would be abundant in: (a) Skeletal muscle cell (b) Palisade cell
5. Name the organelle in which protein synthesis takes place.
6. State the function of the organelles:
(a) Lysosomes
(b) Golgi apparatus
7. (a) What is the formula for calculating linear magnification of a specimen when
using a hand lens?
(b) Give a reason why staining is necessary when preparing specimens for
observation under the microscope.
8. Plant cells do not burst when immersed in distilled water. Explain.
9. State three functions of Golgi apparatus.
10. State two functions of the endoplasmic reticulum.
11. State the functions of the following parts of a light microscope.
(a) Objective lens
(b) Diaphragm.
12. State the function of the following cell organelles. (a) Ribosome. (b)
Lysosomes.
13. The diagram below shows a specified plant cell.
(a) (i) Name the cell.
(ii) Name the parts labeled D and E.
(b) State the function of the part labeled C.
14. State the functions of the following parts of a light microscope. Fine
adjustment knob
15. Give reasons for carrying out the following procedures when preparing
temporary wet mounts of plant tissues.
(a) Making thin plant sections.
(b) Adding water on the plant section. (c) Placing a cover slip over the plant section.
16. The figure below is a fine structure of a generalized animal cell as seen under
an electron microscope.
(a) Name the parts labeled A and B.
(b) How is the structure labeled B adapted to its function?
17. (a) Name the part of a light microscope used to bring an image of a specimen
into sharp focus.
(b) Why is it recommended to keep the stage of the microscope dry?
18. Name the organelle that is involved in each of the following:
(a) Manufacture of lipids.
(b) Formation of lysosomes.
19. Using a microscope, a student counted 55 cells across a field of view whose
diameter was 6000µm. Calculate the average length of cells. Show your working.
20. State one way in which each of the following is naturally adapted to its
function:
(a) Neuron
(b) Mitochondrion
21. A student drew a 6cm long diagram of a plant flower. If the actual length of
the flower was 12cm, calculate the magnification of the drawing made by the
student. Show your working.
22. (a) State two advantages of using a coverslip when preparing a specimen for
observation under a light microscope.
(b) How is the low power objective lens manipulated to focus a specimen for
observation under a light microscope?
23. Below are diagrams of a cell organelle obtained from different organs of an
animal.
(i) For each organelle, state an organ in the urinary system where it is likely to
be found.
(ii) (ii) Give a reason for your answer in (a)
24. (a) State the function of a mirror in a light microscope. (b) Give one reason
why the coarse adjustment knob should not be used to lower the high-power
objective.
25. The diagram below represents a nucleus.
(a) (i) Name the structures labeled E and F.
(iii) State the function of F.
(iv) (iii) With reference to the nucleus, state one difference between an animal
and a bacterial cell.
(b) Name the plant cell organelle:
(i) That stores chlorophyll.
(ii) Responsible for intracellular digestion.
(c) State two main functions of the vacuole in the amoeba.
26. The diagram below illustrates a specialized cell obtained from a certain tissue.
(a) Name the cell.
(b) State two ways in which the cell is structurally adapted to its function.
