Jamb Agricultural Science Past Questions and Answers

Question 246:

• JAMB 2020

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

Question 247:

• JAMB 2020

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

Question 248:

• JAMB 2020

The main purpose of including leguminous crops in pastures is to serve as a source of

A. Proteins
B. Vitamins
C. Minerals
D. Carbohydrates

Question 249:

• JAMB 2020

Which of the following is not normally a pasture crop?

A. Mucuna
B. Centrosema
C. Stylosanthes
D. Giant star grass

Question 250:

• JAMB 2020

The damage to the stem of maize plants resulting in hollowness and lodging is most likely caused by

A. Rodents
B. Grasscutters
C. Stem borers
D. Weevils