WAEC Past Questions and Answers - Page 2203

11,011.

Which of the followng practices inhibits the productivity of pastures?

A.

Irrigation

B.

Overgrazing

C.

Regular weeding

D.

fertiliser application

Correct answer is B

Overgrazing occurs when plants are exposed to intensive grazing for extended periods of time, or without sufficient recovery periods. It can be caused by either livestock in poorly managed agricultural applications and effects the productivity of plants. 

11,012.

A perennial grass with cane-like stems and dull green or purple leaf blade is

A.

Pennisetum Purpureum

B.

Axonopus compressus

C.

Panicum maximum

D.

Cynodon dactylon

Correct answer is A

No explanation has been provided for this answer.

11,013.

Which of the following factors is not usually considered in establishing a pasture?

A.

Adaptation of species

B.

Palatability of species

C.

Compatibility of species

D.

Life cycle of the species

Correct answer is C

No explanation has been provided for this answer.

11,014.

Which of the following forage crops is used to replenish nutrients in a rangeland?

A.

Panicum maximum

B.

Imperata cylindrical

C.

Axonopus compresus

D.

Calopogonium mucunoides

Correct answer is D

Cover crops like Calopogonium mucunoides are planted to manage soil erosion, soil fertility, improve its quality, increases water infiltration, while also controlling weeds and pests. Basically, cover crops are grown and not harvested. 

 

11,015.

Which of the followig methods enables a lame bull to reproduce?

A.

Artificial insemination

B.

Pen mating

C.

Selection

D.

Introduction

Correct answer is A

Artificial insemination is the process of collecting sperm cells from a male animal and manually depositing them into the reproductive tract of a female.