Waec Agricultural Science Past Questions
Question 11
Which of the followings are breeds of cattle?
- A. muturu and sahel
- B. ouda and white fulani
- C. ndama and keteku
- D. gudali and red sokoto
Question 12
Plant breeders aim at obtaining the following except
- A. tolerance to climatic extremes
- B. resistance to pests
- C. adaptation of pollination
- D. uniformity in the time of maturity
Question 13
The side effects of chemical control of diseases and pests include the following except
- A. environmental pollution
- B. poisoning of livestock and man
- C. destruction of some plant species
- D. increased cost of production
Question 14
Newcastle disease is caused by
- A. virus
- B. bacterium
- C. protozoan
- D. fungus
Question 15
Which of the following is the main reason foe not keeping birds meant for commercial egg production under the extensive system of management? Birds
- A. are exposed to attack by predators
- B. waste a lot of productive energy roaming about
- C. are exposed to sufficient green forage
- D. are exposed to theft
