WAEC Past Questions and Answers - Page 1510

7,546.

In poultry nutrition, the minerals that prevent the laying of thin-shelled eggs are

A.

Calcium and phosphorus

B.

Sodium and calcium

C.

Phosphorus and sodium

D.

Sulphur and phosphorus

Correct answer is A

The minerals that prevents the laying of thin-shelled eggs are calcium and phosphorus (Ca and P).
Thin-shelled eggs in poultry nutrition laid as a result of the deficiency of calcium and phosphorus. Therefore, choice A is correct.

7,547.

The pox disease in livestock are caused by

A.

Bacteria

B.

Viruses

C.

Protozoa

D.

Fungi

Correct answer is B

The pox diseases in livestock are caused by viruses. Choice B is correct

 

7,548.

The main mode of infection of rinderpest disease in cattle is through

A.

Grazing

B.

Drinking

C.

Contact

D.

Inhalation

Correct answer is D

The main made of infection of tinderpest disease is through inhalation of infected air by cattles. Choice D is correct

 

7,549.

What is crop rotation?

A.

Growing of crops one after the other in a particular sequence

B.

Growing more than one crop at a time

C.

Growing of an associate crop in between the rows of the main crop

D.

Growing of crops together in strips

Correct answer is A

Crop rotation involves the growing of crops one after other in a particular sequence.

7,550.

Phalaris minor is a crop associated wood with crop

A.

Wheat

B.

Maize

C.

Rice

D.

Cotton

Correct answer is A

No explanation has been provided for this answer.