Question 1
- Copy and complete the table below on minerals and nutrients.
Name |
|
|
Phosphorus |
|
|
Iron |
|
|
Copper |
|
|
- Name four digestive juices in humans.
- ……………..
- ……………..
- ……………..
- …………… [4 marks]
Observation
This question was attempted by majority of the candidates and their performance was fair.
In part (a) some candidates could not correctly answer it, they gave wrong responses such as glucose, fibre, amino acid, amylase, apple, orange, pineapple e.t.c. In part (b) sizeable proportion of the candidates misunderstood digestive juices to enzymes, but some wrote correct answers.
The expected answers are as follows:
1 (a) COMPLETED TABLE
NAME |
ONE SOURCE |
ONE DEFICIENCY |
Phosphorus |
Milk, eggs, meat, yam, nuts , fish, snail ,green vegetables, beans, cheese, sea foods |
Poor development of teeth and bones/osteoporosis/rickets/osteomalacia |
Iron |
Green vegetables, cocoa, peas, yeast, fruits, grains, liver, kidney eggs, meat, salt, fish, plantain, lentils, sea foods |
Anaemia/lack of haemoglobin in red blood cells. |
Copper |
Liver, nuts, fruits, green vegetables, fish, grains |
Anaemia/ lack of haemoglobin in red blood cells. |
(b) DIGESTIVE JUICES
- saliva/salivary juice
- gastric juice
- pancreatic juice.
- succus entericus/intestinal juice