WAEC Agricultural Science Past Questions & Answers - Page 60

296.

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

 

297.

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

 

298.

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.

299.

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.

300.

Which of the following requires Silicon (Si) for its growth?

A.

Maize

B.

Groundnut

C.

Rice

D.

Green grain

Correct answer is C

No explanation has been provided for this answer.