Waec Agricultural Science 2007 Past Questions and Answers

Question 26:

• WAEC 2007

Drying of harvested crops is necessary because it

A. Shortens the length of seed dormancy
B. Reduces moisture content and stores better
C. Cannot bo sold to consumers when it is wet
D. Decreases the viability of the cross

Question 27:

• WAEC 2007

Which of the following factors will not influence the yield of crops?

A. Soil depth and structure
B. Soil slope and texture
C. Atmospheric and soil temperature
D. Wind direction and speed

Question 28:

• WAEC 2007

If the seed rate of guinea corn is 5.6 kg per hectare, what will be the amount of seed required for planting 35 acres of farm land?

A. 40.6 kg
B. 78.4 kg
C. 196.0 kg
D. 784.0 kg

Question 29:

• WAEC 2007

Delayed harvesting of maize may result in

A. Improvement in the quantity of grains
B. High incidence of pest infestation
C. Low seed viability
D. Yellow colouration of grains

Question 30:

• WAEC 2007

Tomato plants are primarily staked to

A. Prevent birds from feeding on the fruits
B. Accelerate fruits maturity
C. Raise fruits from the ground
D. Increase crop growth