(a) ldentify specimens O and P.
| Specimen O; |
Specimen P; |
% % |
 |
(b) State three farm animals which do not possess specimen O
(c) (i) Name two farm animals in which both sexes possess specimen O.
(ii) State one farm animal in which only one sex of the species possesses specimen O.
(d) State two functions of each of the specimens O and P to the animals that possess them.
(e) Mention three problems that a farmer may encounter in the management of animals which possess specimen O.
(a) Identification of the specimens
- Specimen O: Animal horn.
- Specimen P: Animal skin (hide).
(b) Three farm animals which do NOT possess specimen O (horn)
- Poultry (domestic fowl)
- Pig (swine)
- Rabbit
(Guinea pig, donkey, horse and camel are also acceptable.)
(c)(i) Two farm animals in which BOTH sexes possess specimen O (horn)
(c)(ii) One farm animal in which only ONE sex possesses specimen O (horn)
Sheep (in many breeds only the ram is horned while the ewe is polled).
(d) Two functions of EACH specimen to the animal
| Specimen | Functions to the animal |
| O - Horn | - For defence against predators.
- For attack/offence and for scratching the body; it also enhances the appearance of the animal.
|
| P - Skin | - Protects the internal body organs and insulates the body, and regulates body temperature.
- Manufactures vitamin D with the aid of sunlight, stores reserve fat, excretes waste through sweating and secretes milk through the mammary glands.
|
(e) Three problems in managing horned animals (specimen O)
- The animals may injure the owner, herdsmen or one another with the horns.
- Horns cause problems of space during transportation and require larger housing/pen space.
- Horned animals bully hornless animals and the young ones, and may use their horns to destroy buildings and other farm structures.