JAMB and WAEC Agricultural Science questions

597 questions with answers and explanations. Tap an option to check yourself.

1. Question 261· Farm tools and mechanisation· WAEC

   Ranging poles are used in farm surveying to

   • Aweigh produce
   • Bmeasure rainfall
   • Cmark out straight lines
   • Dtest soil

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   Explanation and discussion

2. Question 262· Farm tools and mechanisation· WAEC

   Regular servicing of farm machines helps to

   • Areduce farm output
   • Bincrease fuel consumption
   • Cprolong their life and reduce breakdowns
   • Dcause rusting

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3. Question 263· Farm tools and mechanisation· JAMB

   The plough is used mainly for

   • Aharvesting grain
   • Bturning over the soil
   • Cspraying crops
   • Dweighing produce

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   Explanation and discussion

4. Question 264· Farm tools and mechanisation· WAEC

   A silo is used on a farm for

   • Akeeping tools
   • Bhousing poultry
   • Cdrying clothes
   • Dstoring silage or grain in bulk

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5. Question 265· Fisheries and aquaculture· JAMB

   A trawl net is used mainly in

   • Afish feeding
   • Bpond fishing only
   • Cfish smoking
   • Dmarine (sea) fishing

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6. Question 266· Fisheries and aquaculture· JAMB

   The gills of a fresh fish should be

   • Abrown
   • Bgrey
   • Cbright red
   • Dwhite

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7. Question 267· Fisheries and aquaculture· WAEC

   Fertilising a fish pond encourages the growth of

   • Aplankton, which fish feed on
   • Bweeds that kill fish
   • Cbacteria that cause disease
   • Dmosquitoes

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8. Question 268· Fisheries and aquaculture· WAEC

   Fish feed on plankton, which grows well when ponds are

   • Adrained
   • Bfertilised with manure
   • Ccovered
   • Dshaded completely

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9. Question 269· Fisheries and aquaculture· JAMB

   Plankton in a fish pond serves mainly as

   • Aa predator
   • Ba pollutant
   • Cnatural fish food
   • Da disease

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   Explanation and discussion

10. Question 270· Fisheries and aquaculture· JAMB

    Which of these is a freshwater fish commonly raised in Nigerian fish ponds?

    • AShark
    • BCatfish
    • CSardine
    • DTuna

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    Explanation and discussion

11. Question 271· Fisheries and aquaculture· JAMB

    The rearing of fish and other aquatic animals under controlled conditions is

    • Ahorticulture
    • Bapiculture
    • Caquaculture
    • Dsericulture

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12. Question 272· Fisheries and aquaculture· WAEC

    Fisheries is the

    • Agrowing of trees
    • Brearing, catching and management of fish and other aquatic animals
    • Ckeeping of poultry
    • Dmining of salt

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13. Question 273· Fisheries and aquaculture· JAMB

    Fish ponds are limed mainly to

    • Acorrect acidity and improve water quality
    • Bkill all the fish
    • Cfeed the fish directly
    • Dincrease the pond's depth

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    Explanation and discussion

14. Question 274· Fisheries and aquaculture· WAEC

    Pond fish such as tilapia can be given supplementary feed such as

    • Acommon salt
    • Bsand
    • Crice bran
    • Dgravel

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    Explanation and discussion

15. Question 275· Fisheries and aquaculture· WAEC

    Fish provide humans mainly with

    • Afat only
    • Bfibre
    • Cstarch
    • Dprotein

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    Explanation and discussion

16. Question 276· Fisheries and aquaculture· JAMB

    A hatchery in fish farming is used for

    • Asmoking fish
    • Bbreeding fish and raising fry
    • Cselling fish
    • Dstoring nets

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17. Question 277· Fisheries and aquaculture· WAEC

    Fish can be preserved by

    • Asoaking it in water
    • Bsmoking
    • Cleaving it open to flies
    • Dkeeping it warm

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18. Question 278· Fisheries and aquaculture· WAEC

    Tilapia and catfish (Clarias) are commonly reared in

    • Apiggeries
    • Bpoultry houses
    • Cfish ponds
    • Drabbit hutches

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19. Question 279· Fisheries and aquaculture· JAMB

    Integrated fish farming combines fish culture with

    • Apoultry or pig keeping
    • Bmining
    • Cforestry only
    • Dcanal digging

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20. Question 280· Fisheries and aquaculture· JAMB

    Fingerlings are

    • Afish feed pellets
    • Bfish eggs
    • Cadult breeding fish
    • Dyoung fish a few centimetres long used to stock ponds

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