Jamb Agricultural Science 2013 Past Questions and Answers

Question 36:

• JAMB 2013

Use the diagram below to this answer

This type of root is associated with

A. Nitrogen fixation
B. Photosynthesis
C. Storage of organic acids
D. Storage of minerals

Question 37:

• JAMB 2013

Self-pollination takes place when grains are

transferred from the

A. Stigma to the anther of another plant
B. Stigma to the anther of same plant
C. Anther to the stigma of same plant
D. Anther to the stigma of another plant.

Question 38:

• JAMB 2013

Which of the following parts of plants are
normally used for vegetative propagation?

A. Fruit, leaf and root.
B. Stem, root and leaf.
C. Fruit, leaf and flower
D. Leaf, flower and stem.

Question 39:

• JAMB 2013

The most suitable planting pattern for a
mechanized farm which is mono cropped is

A. Band placement
B. Drilling
C. Top dressing
D. Side dressing

Question 40:

• JAMB 2013

The classification of soils into sand, loam and
clay is largely determine by the percentage of

A. Mineral matter
B. Organic matter
C. Soil water
D. Soil air