Question 3
- Give two reasons why specimen F is used during the processing of fish. [2 marks]
- Mention four alternatives that could be used in place of specimen G in processing fish. [4 marks]
- Apart from specimens F and G, name five other items and equipment used during the smoking of fish. [5 marks]
- (i) State two uses of specimen H in fish farming. [2 marks]
(ii) Name two components of a fish pond that perform similar functions as specimen
H. [2 marks]
Observation
This question was attempted by many candidates and their performance was good. Many candidates ignored the direction to consider their answers in the light of processing which is very important. In Question 3(b) many candidates were listing instruments instead of alternative source of fuels.
The expected answers are as follows:
(a) Reasons for using specimen F (hand gloves) during fish processing
- To prevent injury to user / processor
- To prevent transfer of germs to the fish
- To prevent transfer of germs from the fish to the processor
- To keep users/ processors hands clean
(b) Alternatives in place of specimen G (Charcoal) in fish processing
- Gas
- Electricity
- Wood / firewood
- Briquette
- Saw dust/ wood shavings
- Coconut chaff /hull/shell
- Palm kernel shell
- Corn/ dry maize cob
(c) Other items and equipment used during smoking of fish
- Knife - Napkin/ hand towel
- Sieve - Pitting stick
- Oven/ smoking kiln - Lighter/ matches
- Bowls/ basin/ bucket - Firewood
- Cutting slabs / chopping board - Wire mesh/smoking tray
- Nose/ mouth /mask guard - Water
- Over all/ apron
- Cap /head cover/ scarf
- Salt
- Spices
(d) (i) Uses of specimen H (Water pump)
- To pump water into a pond / impound water into the fish pond
- To pump out / drain water from a stream/ reservoir/ borehole/ fish
pond
- To drain used/ polluted water from a fish pond
(ii) Components of a fish pond that performs similar functions as specimen H (water pump)
- Water outlet / overflow device/ spillway device
- Water inlet
- Monk / stand pipe / gate valve / sluice gate/ levee