Waec Agricultural Science 2012 Past Questions and Answers

Question 36:

• WAEC 2012

Fish ponds in arid areas should be deeper than those in the rain forests in order to

A. Ensure rapid growth of fish in arid areas
B. Prevent loss of fish through extreme of temperatures
C. Provide sufficient nutrients for the survival of fish
D. Prevent exposure of fish to direct effect of the sun

Question 37:

• WAEC 2012

In sheep production, litter is put on the floor mainly to

A. Reduce the build-up of ectoparasites
B. Facilitate cleaning of the house
C. Reduce the incidence of pneumonia in lambs
D. Help maintain suitable humidity in the house

Question 38:

• WAEC 2012

Determine the number of pigs that can be housed in a pigsty measuring 5.0 m by 4.0 m, if the floor space for a pig is 2.0m².

A. 10
B. 11
C. 20
D. 40

Question 39:

• WAEC 2012

The type of weed control involved when tilapia feeds on aquatic weeds is

A. Biological
B. Chemical
C. Cultural
D. Mechanical

Question 40:

• WAEC 2012

Which of the following statement about cross breeding in farm animals is false?

A. It is a method used to produce new breeds of farm animals
B. The individuals used have all characters in common
C. It is a practice of improving poultry production
D. It can be used to introduce new genes in farm animals