Waec Agricultural Science 1993 Past Questions and Answers

Question 11:

• 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

Question 12:

• WAEC 1993

Which of the following is not a way of maintaining soil fertility?

A. Cover cropping
B. Manuring
C. Mulching
D. Mixed farming
E. Monocropping

Question 13:

• WAEC 1993

A soil with the PH range of 6.1 to 6.9 can be described as

A. Alkaline
B. Very acidic
C. Slightly alkaline
D. Slightly acidic
E. Neutral

Question 14:

• WAEC 1993

Which of the following statement is not correct about micronutrients? They

A. Are required in small quantities by plants
B. Are harmful when present in large quantities in a soil
C. Are derived from the parent rocks
D. Are the most abundat elements in plant leaves
E. Act as catalysts and co-enzymes in growing plants

Question 15:

• WAEC 1993

A soil which consists of a mixture of and, silt and clay in equal quantities is described as

A. Humus
B. Alluvial soil
C. Sandy clay
D. Loam
E. Clayey loam