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Question 1
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- (a) (i) What are vitamins
(ii) Copy and complete the table below [2 marks]
Name of Vitamin |
One source of the vitamin |
One disease resulting from deficiency of the vitamin |
Vitamin A
Vitamin B1
Vitamin B12
Vitamin C
Vitamin D |
__________________ |
__________________
__________________ |
[ 10 marks]
(b) State four ways by which rural-urban migration may be minimized [4 marks]
(c) State four ways in which water is important to the human body. [4 marks] |
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This question was attempted by many candidates and their performance was fair.
In part (a) (i) candidates could not say what is vitamin correctly, however, in part (a) (ii)
candidates mixed up sources of vitamin with the deficiency diseases. In part (b) candidates
stated ways by which rural-urban migration may be minimized. In part (c) candidates also
mixed up important of water to the human body with uses of water such as bathing and
cooking.
The expected answers were as follows:
- (i) Vitamins
- Vitamins are organic substances;
- required in minute quantity for healthy growth of the body/proper functioning
of the body.
(ii) Complete Table.
S/N |
Name of Vitamin |
One(1) Source of Vitamin |
One(1) Disease |
1 |
Vitamin A |
Palm oil, carrots, cheese, milk, egg and margarine; fish; liver; spinach |
Keratomalacia/night blindness/dry/flaky skin |
2 |
Vitamin B1 |
Whole grains of cereals, beans, groundnuts, green vegetables, yeasts, meat and marmites; liver; tomatoes |
Beriberi/paralysis |
3 |
Vitamin B12 |
Milk, meat,egg,cheese, fish and liver |
Anaemia |
4 |
Vitamin C |
Orange, lemon, guava, mango, papaw, tomatoes, and fresh green vegetable. |
Scurvy |
5 |
Vitamin D |
Cheese, liver, butter, milk, fish and egg; fish, liveroil and sunlight |
Osteomalacia/Ricket |
- Ways by which rural-urban migration may be minimized
- provision of good roads
- provision of schools/vocational trade centres
- easy access to loan for agricultural activities
- improvement in basic social amenities e.g. electricity/water hospital/market.
- establishment of more income generating jobs in the rural areas/employment
opportunities
- availability of ready market for agricultural produce.
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