(a) Mention three nutrients that could be found in specimen G. (b) List three ways of preserving specimen G. (c) State two functions of specimen H in farm a...

Answer Details

(a) Three nutrients found in specimen G (raw milk)

• Protein.
• Carbohydrate (lactose).
• Fats/lipids (also water, vitamins and minerals such as calcium and phosphorus).

(b) Three ways of preserving specimen G (raw milk)

• Drying/dehydration into powdered milk.
• Freezing, refrigeration or chilling.
• Boiling/pasteurisation (also canning).

(c) Two functions of specimen H (gizzard) in farm animals

• Grinding and crushing of feed into fine particles.
• Churning and mixing of feed to aid digestion.

(d) Two features of specimen H (gizzard) that enable it to perform these functions

• It has thick, tough muscular walls that mix and crush the feed.
• It contains grits, stones or gastroliths and a rough corrugated inner lining that grind the feed.

(e) Three farm animals which possess specimen H (gizzard)

• Chicken (domestic fowl).
• Duck.
• Turkey (also guinea fowl, goose, quail and ostrich).