Question 506:

• WAEC 1993

Which of the following is the best way to reduce surface run-off on farmlands?

A. Adding more clay to the soil
B. Providing adequate plant cover
C. Planting acrss the slope
D. Planting annual crops
E. Erecting strong fences round the farm

Question 507:

• WAEC 1993

In the process of recycling carbon in nature, carbondioxide is used by crops during

A. Respiration
B. Decomposition
C. Burning
D. Fruiting
E. Photosynthesis

Question 508:

• WAEC 1993

Which of the following is a day-neutral crop?

A. Millet
B. Maize
C. Coffee
D. Tomato
E. Cocoa

Question 509:

• WAEC 1993

During the processes of soil formation, the cracks or crevices that are first noticed on the rocks are normally caused by

A. Ice
B. Man
C. Wind
D. Temperature
E. Solution

Question 510:

• WAEC 1993

The major climatic factors influencing agricultural activities in the tropics include the following except

A. Rainfall
B. Temperature
C. Sunlight
D. Pressure
E. Wind