Page 56 - General and Inorganic Chemistry for Advanced Secondary Schools Students Book Form Five and Six

Biology for Secondary Schools

6. A tissue is a group of cells that perform the same function.
7. An organ is made up of various tissues that work together to perform a
specific function.
8. An organ system consists of organs that work together to perform a specific
function.
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9. Examples of specialized animal cells are white blood cells, red blood cells,
and sperm cells.
10. Examples of specialized plant cells are guard cells, root hair cells, and
palisade cells.

Revision exercise 3

1. One of the following is NOT a component of the cell theory:
(a) All living things are composed of cells.
(b) All cells are produced from other cells.
(c) All cells are basically similar in chemical composition.
(d) All life processes take place outside the cells.

2. One of the following is NOT a characteristic of prokaryotic cells.
(a) They have no nuclear membrane.

(b) They reproduce by binary fission.
(c) They have circular DNA.
(d) They have mitochondria.

3. Which of the following is the functional unit of life?
(a) Tissue
(b) Cell
(c) Organ

(d) System

4. Which of the following organism has differentiated cells?
(a) Bacteria
(b) Amoeba
(c) Plants
(d) Paramecium

50 Student’s Book Form One Student’s Book Form One

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Biology FORM 1 new.indd 50
Biology FORM 1 new.indd 50 15/10/2024 09:24:25