Observation

(a) (i) This question was not popular among candidates. Most candidates named other birds that lay eggs like duck, turkey instead of breeds of chicken birds. (ii) It was observed that most candidates were able to mention ways in which specimen T is economically important.
(b) (i) In providing answers to methods used in harvesting fish, it is worth pointing out that writing only net as a method is not correct as mosquito nets cannot be used for fishing. However candidates were able to correctly state the by- products obtained from the processing of specimen U and the methods of preserving specimen U(Tilapia fish) as required in (ii) and (iii) respectively.
The expected answers include:

4.(a)(i) Breeds of the farm animal which produces specimen T (Chicken egg)

- Rhode Island Red

- White leghorn

- Brown leghorn

- Near black

- Cornish

- Sussex

- Cochin

- New Hampshire

- Plymouth rock

- Black leghorn

(ii) Ways in which specimen T (Chicken egg) is economically important

- Eaten as food by humans

- Egg shell is a source of calcium in farm animal feeds

- Source of income to farmers and traders

- Source of income to farmers and traders

- Used as raw material in pharmaceutical/cosmetic industries

- Egg production/sale is a source of employment

- Egg shell is used in making scouring powder

- Used in the production of chicks

- Used in producing vaccines

- Used in making adhesives/binding agent