The most important advantage of in-breeding is that

• A. offspring show hybrid vigour
• B. offspring grow more rapidly
• C. offspring that can withstand variation of environment is produced
• D. specific qualities of an animal are preserved and concentarted

Which of the following insects transmits swollen shoot disease of cocoa?

• A. stem borer
• B. mealybug
• C. whitefly
• D. scale insect

Use the information below to answer this question.

In an experiment on soil porosity, the following results were obtained:

Volume of dry soil = 52cm³

Volume of water= 48cm³

Volume of soil and water=78cm³

• A. 28.21%
• B. 42.31%
• C. 45.83%
• D. 61.54%

Which of the following statements is not a precaution measure in bee keeping?

• A. the apiary should not be fenced to allow for proper ventilation
• B. the attendant should always wear protective clothing
• C. warning signs should be placed near an apiary
• D. locate apiaries far from human dwellings

Birds temporarily store their food in the

• A. crop
• B. gizzard
• C. proventriculus
• D. duodenum

Determine the number of pigs that can be housed in a pigsty measuring 5.0 m by 4.0 m, if the floor space for a pig is 2.0m².

• A. 10
• B. 11
• C. 20
• D. 40

Government plays roles in the development of agriculture through the following means except

• A. Provision of subsidies
• B. training of farmer's children
• C. establishment of agricultural development programmes
• D. establishment of farm settlements

The following crops will enrich the soil with nitrates except

• A. calopogonium
• B. pueraria
• C. centrosema
• D. exoriepus

Which of the following farming practices are cultural methods used to control pests and diseases? I. Crop rotation II. Mixed farming III. Monoculture

• A. I and II only
• B. I and III only
• C. II and III only
• D. I,II and III

Which of these operations comes first in cultural practice?

• A. Tillage
• B. Ridges
• C. Stumping
• D. Harvesting