Agricultural Science 2015 JAMB Past Questions

1

The process of grafting in crop production involves

A. The fusion of gametes of two crops
B. Inducing rooting from stems
C. The transfer of a bud from one crop to another
D. The joining of two parts from related crops.

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2

If the recommended spacing for a tree crop is 2.5cm by 4.0m determine the number of seedlings required to plant a 2-hectare farmland.

A. 1,000
B. 2,000
C. 10,000
D. 20,000

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3

A regulatory control of diseases in crop production is

A. roughing
B. quarantine
C. crop rotation
D. Soil tillage.

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4

Which of the following statements about soil organisms is false?

A. Soil pH will affect the population of soil organisms
B. Population of soil living organisms is increased with increase in soil organic matter
C. Soil with good texture and structure cannot harbour soil microbes
D. Soil temperature affects the activities of soil organisms.

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5

The data for feed consumption and weighing gain of four farm animals labelled P, Q, R and S are shown below.
P -50kg feed consumed and 20kg weight gained Q -90kg feed consumed and 30kg weight gained R -100kg feed consumed and 25kg weight gained S - 150kg feed consumed and 30kg weight gained.

Which of the following must efficient feed converter?

A. P
B. Q
C. R
D. S

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Agricultural Science 2015 JAMB Past Questions

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