Agricultural Science Past Questions and Answers

The following are advantages of sub-surface irrigation except that

A It is suitable for soils with low water holding capacity
B It can be used only for specific types of crops
C The rate of evaporation is greatly reduced
D It reduces the incidence of pests

Question 97:

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

A Capillary water
B Hygroscopic water
C Gravitational water
D Superfluous water.

Question 98:

The weight of a sheep increased from 25kg to 45kg in two months.<br/><br/>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

Question 99:

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.

Question 100:

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