The response of crops to day-length is referred to as

• A. photoperiodism
• B. photosynthesis
• C. photogenesis
• D. venalization

The use of pathogens to control dodder weeds is a

• A. Physcial method
• B. Mechanical method
• C. Biological method
• D. Cultural method

The side effects of the various preventive and control measures of pests and diseases of crops include the following except

• A. improved quality of farm produce
• B. environmental pollution
• C. poisoning of wildlife
• D. disruption of the ecosystem

Which of the following agents is not associated with chemical weathering?

• A. oxidation
• B. pressure
• C. hydrolysis
• D. carbonation

Pruning is carried out to I. control the size of the plants ll. obtain clean and attractive fruits III. ensure correct spacing of trees

• A. l and ll only
• B. l and lll only
• C. ll and lll only
• D. l, ll and lll

The diagram below is the digestive tract of a farm animal. What farm animal is being referred to?

• A. turkey
• B. cattle
• C. pig
• D. goat

Which of the following processes are associated with rubber production? I. coagulation II. fermentation III. tapping

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

Control of weeds of forage crops can be carried out by the following methods except

• A. cutting
• B. burning
• C. use of herbicide
• D. biological control

Which of the following statement are advantages of mulching? It I. controls weeds II. conserves soil moisture III. increases soil temperature IV. reduces soil pH

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

The principles of agricultural extension includes the following except

• A. Gain confidence of your audience
• B. Programmes must undergo continuous evaluation
• C. Programmes should be flexible
• D. Reduce the confidence of your audience