WAEC Agricultural Science questions

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

1. Question 221· Meaning and importance of agriculture· WAEC

   Agricultural extension services mainly

   • Asell farm produce
   • Bcarry research findings to farmers
   • Ccollect taxes from farmers
   • Dbuild markets

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2. Question 222· Meaning and importance of agriculture· WAEC

   Subsistence agriculture means farming

   • Amainly to feed the farmer's family
   • Bonly for export
   • Cwith large machines
   • Dfor industrial raw materials

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3. Question 223· Meaning and importance of agriculture· WAEC

   A problem of agricultural development in Nigeria is

   • Apoor rural infrastructure such as feeder roads
   • Bplenty of land
   • Ca favourable climate
   • Da large labour force

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4. Question 224· Meaning and importance of agriculture· WAEC

   An agricultural extension officer mainly

   • Ateaches farmers improved farming practices
   • Bsells farm produce
   • Ccollects taxes
   • Dmakes laws on land

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5. Question 225· Meaning and importance of agriculture· WAEC

   Which of these is an abiotic factor affecting crop production?

   • Asoil microorganisms
   • Bpests
   • Cweeds
   • Drainfall

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6. Question 226· Meaning and importance of agriculture· WAEC

   Agriculture provides employment in Nigeria because

   • Ait is done only by government
   • Bit uses only machines
   • Ca large part of the population works in farming and related trades
   • Dit requires no labour

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7. Question 227· Meaning and importance of agriculture· WAEC

   The source of farm power that uses oxen to pull ploughs is

   • Aanimal power
   • Belectrical power
   • Csolar power
   • Dwind power

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8. Question 228· Meaning and importance of agriculture· WAEC

   Agriculture contributes to the Nigerian economy by

   • Aproviding employment
   • Bcausing inflation
   • Creducing food supply
   • Dincreasing imports

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9. Question 229· Meaning and importance of agriculture· WAEC

   Agricultural extension methods that reach many farmers at once include

   • Apersonal phone calls only
   • Bfarm-to-farm visits only
   • Cprivate letters
   • Dradio programmes and farmers' field days

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10. Question 230· Meaning and importance of agriculture· WAEC

    Operation Feed the Nation, launched in 1976, aimed to

    • Amake Nigeria self-sufficient in food
    • Btrain youths in the army
    • Cprovide free education
    • Dbuild oil refineries

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11. Question 231· Meaning and importance of agriculture· WAEC

    The Land Use Act of 1978 vested ownership of land in each state in the

    • Alocal chiefs
    • Bstate governor, in trust for the people
    • Cfederal army
    • Dindividual families only

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12. Question 232· Meaning and importance of agriculture· WAEC

    Organic farming avoids the use of

    • Aanimal manure
    • Bcompost
    • Ccrop rotation
    • Dsynthetic fertilisers and pesticides

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13. Question 233· Meaning and importance of agriculture· WAEC

    Subsistence farming is practised mainly to

    • Asupply factories
    • Bproduce crops for export
    • Cfeed the farmer and his family
    • Dearn foreign exchange

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14. Question 234· Meaning and importance of agriculture· WAEC

    Agriculture provides raw materials for industries such as

    • Aoil refineries using crude
    • Btextile mills using cotton
    • Ccement factories using limestone
    • Dsteel mills using iron ore

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15. Question 235· Meaning and importance of agriculture· WAEC

    Shifting cultivation is possible mainly where

    • Aland is plentiful
    • Bland is scarce
    • Cfarmers are wealthy
    • Dsoils never lose fertility

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16. Question 236· Meaning and importance of agriculture· WAEC

    Which of these is a role of agriculture in Nigeria's economy?

    • Aprinting currency
    • Bproviding raw materials for industries
    • Cimporting food
    • Drunning air transport

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17. Question 237· Soil fertility, manures and fertilisers· WAEC

    Single superphosphate fertiliser supplies mainly

    • Apotassium
    • Bnitrogen
    • Cphosphorus
    • Dcalcium only

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18. Question 238· Soil fertility, manures and fertilisers· WAEC

    Which nutrient do crops need in the largest amount for leafy growth?

    • Aphosphorus
    • Bnitrogen
    • Cpotassium
    • Dcalcium

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19. Question 239· Soil fertility, manures and fertilisers· WAEC

    Fertiliser placed in a ring round a tree crop such as cocoa is applied by

    • Afoliar spraying
    • Bbroadcasting
    • Cring application
    • Ddrilling with seed

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20. Question 240· Soil fertility, manures and fertilisers· WAEC

    In the nitrogen cycle, lightning helps to

    • Akill nitrifying bacteria
    • Bremove nitrogen from soil
    • Cmake soil acidic only
    • Dfix atmospheric nitrogen as oxides that rain brings to the soil

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