(a) Give two examples of each of the following classes of crops: (i) roots and tubers; (ii) oil crops; (iii) grain legumes; (iv) cereals. (b) State five dif...

Assessment: WAEC SSCE - Agricultural Science - 2018 (Essay) Subject: Agricultural Science

Question 1 Report

(a) Give two examples of each of the following classes of crops:

(i) roots and tubers;
(ii) oil crops;
(iii) grain legumes;
(iv) cereals.

(b) State five differences between the digestive system of a goat and a chicken.

(c) Give five reasons why farmers keep records.

Answer

Goat (ruminant)	Chicken (non-ruminant bird)
Has a four-chambered stomach (rumen, reticulum, omasum, abomasum)	Has a single, simple stomach (proventriculus) with a gizzard
Has no crop	Has a crop for temporary storage of food
Has teeth and chews the cud (rumination)	Has no teeth; grinds food in the muscular gizzard with grit
Digests cellulose with the aid of rumen micro-organisms	Cannot digest much cellulose
Has a large, well-developed caecum	Has two small caeca

Goat (ruminant)	Chicken (non-ruminant bird)
Has a four-chambered stomach (rumen, reticulum, omasum, abomasum)	Has a single, simple stomach (proventriculus) with a gizzard
Has no crop	Has a crop for temporary storage of food
Has teeth and chews the cud (rumination)	Has no teeth; grinds food in the muscular gizzard with grit
Digests cellulose with the aid of rumen micro-organisms	Cannot digest much cellulose
Has a large, well-developed caecum	Has two small caeca

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