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Latest AFA Reviewer 2


1. Which crop disease grows on leaf surface as white, gray or purple spots?
A. Galls
B. Leaf Spot
C. Mildew
D. Mosaic

ANS: C

2. Which crop disease is distinguish by the appearance of rings of different shades of brown, green or yellow that make spot on the leaves?
A. Galls
B. Leaf Spot
C. Mildew
D. Mosaic

ANS: B

3. Which are the larva stage of heel flies?
A. Cattle Grubs
B. Cattle Lice
C. Mange Mites
D. Sarcoptic Mange

ANS: A

4. Which avain disease is caused by mycoplasma or pleuropneumonia-like organism
A. Coccidiosis
B. Marek’s Disease
C. Avain Malaria
D. Chronic Respiratory

ANS: D

5. Which insect pest tear, grind or chew their food?
A. Chewing Insects
B. Piercing-Sucking Insects
C. Rasping-sucking insects
D. Sponging Insects

ANS: A


6. All EXCEPT  ONE are prevention and control of hog cholera or swine fever. Which one?
A. Giving uncooked slops or kitchen scraps
B. Vaccinating all pigs against the disease using a reliable vaccine
C. Disposing all pigs against the disease using  reliable vaccine
D. Disinfecting contaminated pens and premises properly

ANS: A

7. Which type of poison is sprayed on plant surfaces and is taken in by the plant through absorption?
A. Contact Poison
B. Systematic Poison
C. Stomach Posion
D. Fumigants

ANS: C

8. Which is a way of controlling plant disease by isolating a patch of or a single diseases plant?
A. Cultural Control
B. Quarantine
C. Integrated
D. Biological

ANS: B

9. Which is a combination of two or more methods of controlling disease to yield a higher chance of effectiveness?
A. Cultural Control
B. Quarantine
C. Integrated
D. Biological

ANS: C

10. Which poison is absorb by plants and then ingested by the pest when it feeds?
A. Contact Poison
B. Systematic Poison
C. Stomach Posion
D. Fumigants

ANS: B

11. Which pest control involves sanitation, removing insect breeding and hiding and using insect resistant plant varities?
A. Cultural Control
B. Quarantine
C. Integrated
D. Biological

ANS: A

12. Therapeutic bath in 0.7% salt solution from 3 to 20 days is the treatment for ____________ .
A. trichodinasis
B. whitespot
C. red sore
D. skin fluke

ANS: B

13. The following are measure to prevent or control Anthrax, EXCEPT _______ .
A. proper disposal of dead animals by burning or deep burial
B. decontamination of all contaminated pens, feeding materials, beddings, etc.
C. avoiding contact with infected animals and contaminated animals by products
D. moving animals frequently

ANS: D

14. Which refers to the toxins extracted from the plants an applied on the infested  crops?
A. Inorganic pesticides
B. Synthetic pesticides
C. Heat Treatment
D. Soil Sterilization

ANS: C

15. Which is done by covering the surface of the soil by applying heat before planting kill pathogens?
A. Cover Cropping
B. Mulching
C. Heat Treament
D. Soil Sterilization

ANS: B

16. Which is the process of treating the soil by applying heat before planting kill pathogens?
A. Cover Cropping
B. Mulching
C. Heat Treatment
D. Soil Sterilization

ANS: D

17. The following are steps to be taken to avoid cannibalism in poultry  production, EXEPT ___________.
A. if there is a ring leader or a persistent pecker, remove it from the stock
B. isolate wounded birds until wound heals
C. do not give food o water to the cockerel for 24 hours
D. give the chicken plenty of fresh, green, leafy food

ANS: C

18. The following are factors that cause cannibalism in chicken, EXCEPT __________ .
A. inability to perch well
B. overcrowding
C. boredom
D. nutritional deficiency

ANS: A

19. Which condition in egg production is associated with infectious diseases? It is a sign of mineral deficiency, especially calcium and phosphorus.
A. Double Yolks
B. Extra-small Eggs
C. Soft eggs
D. Inter laying

ANS: C

20. Which of the following is the best way to prevent or remedy the laying of soft eggs?
A. Give a sudden additional lighting
B. Move hen to clean house
C. Add crushed eggshell, oyster shell meal, or lime to the feed ration to remedy calcium and phosphorus deficiency.
D. Give the birds a medication of either Erythromycin or Oxytetracycline.

ANS: C

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