Waec Agricultural Science 1993 Past Questions and Answers

Question 46:

• WAEC 1993

The nymphs of lice reach maturity in about

A. One week
B. Two weeks
C. Three weeks
D. Four weeks
E. Five weeks

Question 47:

• WAEC 1993

The interval from the beginning of one heat period to the another is known as

A. Gestation period
B. Fertilization
C. Incubation period
D. Heat period
E. Oestrus cycle

Question 48:

• WAEC 1993

Which of the following pond maintenance operation will ensure adequate supply of oxygen and hygienic condition for fish in a pond?

A. Deweeding
B. Distilling
C. Fertilization
D. Eradication of predators
E. Supplementary feeding

Question 49:

• WAEC 1993

The part of the egg that prevents the yolk from being damaged by keeping the yolk at the centre of the egg is the

A. Germ spot
B. Albumen
C. Air space
D. Chalaza
E. Egg membrane

Question 50:

• WAEC 1993

the aims of breeding in farm animals include the following except

A. Increasing production potentials of farm animals
B. Improving the quality of animal products
C. Improving adaptability of farm animals to a new environment
D. Evolving new breeds of animals suitable for all purposes
E. Increasing tolerance of animal to disease and pests