This question was attempted by few candidates and the candidates performed fairly well.
In part (a) candidate either defined or mentioned organism, some mentioned cells of the body or systems. In part (b)(i) candidate could not give examples of tissue, In part (b) (ii) candidates could not state function of tissue. In part (c) candidates listed basic elements which make up proteins.
The expected answers were as follows:
- Tissue
- A tissue is a group of similar cells
performing the same function.
(b) Examples of tissues in human
- Muscle tissue
- Nerve tissue
- Bone tissue/connective tissue/blood tissue
- Epithelia tissue
- Blood tissue
- Adipose tissue
- Named.
(ii) Functions of tissues
Muscle tissue
- Support the body
- For movement.
Nerve tissue
- Transmit impulses
- Assists in coordination
Epithelia tissue
- Protective/lining/absorption
- Secretion of mucus.
Bone tissue
- Protects
- Supports
- Produces bone cells
- Production of blood cells.
