Agricultural Science 2015 JAMB Past Questions

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Soil water that is available for root absorption at field capacity is

A. Capillary water
B. hygroscopic water
C. Gravitational water
D. superfluous water.

View Answer & Discuss (1) JAMB 2015

The weight of a sheep increased from 25kg to 45kg in two months.

If the total consumption during the period was 60kg. Determine the feed conversion ratio

A. 1 : 1
B. 1 : 2
C. 3 : 1
D. 4 : 1

View Answer & Discuss (1) JAMB 2015

Which of the following statements is correct about micro-nutrients? They

A. Promote formation of only root nodules
B. are required by plants in very small quantities
C. are fixed into the soil through microbial activity
D. increase crop tolerance to pest attack.

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Yellow colouration of the lower leaves of a growing maize plant may be due to deficiency in

A. potassium
B. phosphorus
C. zinc
D. nitrogen

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The following crops will enrich the soil with nitrates except

A. Calopogonium
B. pueraria
C. centrosema
D. Axonopus

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Agricultural Science 2015 JAMB Past Questions

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