(a) Name four parts of the reproductive system of each of the following farm animals: (i) bull; (ii) hen. (b) Give one function of each of the parts named i...
Question 1 Report
(a) Name four parts of the reproductive system of each of the following farm animals: (i) bull; (ii) hen.
(b) Give one function of each of the parts named in 3(a).
(c) Describe the process of cassava tuber in the mouth of a pig.
Answer Details
(a) Four parts of the reproductive system and their functions
(i) Bull
| Part | Function |
|---|---|
| Testis | Produces spermatozoa and the hormone testosterone |
| Epididymis | Stores and matures the spermatozoa |
| Vas deferens (sperm duct) | Conveys sperm from the epididymis towards the urethra |
| Penis | Deposits semen into the reproductive tract of the female |
(ii) Hen
| Part | Function |
|---|---|
| Ovary | Produces the ova (yolk) |
| Magnum (part of oviduct) | Secretes the albumen (egg white) |
| Isthmus | Forms the shell membranes |
| Uterus (shell gland) | Forms the hard shell around the egg |
(c) Process of digestion of cassava tuber in the mouth of a pig
The pig takes the cassava tuber into its mouth. The teeth cut, tear and grind (mastication) the tuber into smaller particles. At the same time saliva, which contains the enzyme salivary amylase (ptyalin), is secreted and thoroughly mixed with the food. The amylase begins the chemical digestion of the starch (carbohydrate) in the cassava, converting it into maltose. The tongue rolls the moistened, softened food into a bolus which is then swallowed and passed down the oesophagus.
Download The App On Google Playstore
Everything you need to excel in your exams
