JAMB Biology questions: Reproduction

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

1. Question 21· Reproduction· JAMB

   The umbilical cord

   • Aconnects the foetus to the placenta
   • Bproduces hormones
   • Cprotects the baby from shock
   • Dmakes milk

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2. Question 22· Reproduction· JAMB

   An animal that has both male and female reproductive organs, such as the earthworm, is described as

   • Aoviparous
   • Bviviparous
   • Chermaphrodite
   • Dasexual

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3. Question 23· Reproduction· JAMB

   The hormone that maintains the lining of the uterus during pregnancy is

   • Afollicle-stimulating hormone
   • Boestrogen
   • Ctestosterone
   • Dprogesterone

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4. Question 24· Reproduction· JAMB

   Yeast reproduces asexually by

   • Abinary fission
   • Bbudding
   • Cspore formation only
   • Dfragmentation

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5. Question 25· Reproduction· JAMB

   Cassava is commonly propagated by

   • Astem cuttings
   • Bseeds
   • Csuckers
   • Dbulbs

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6. Question 26· Reproduction· JAMB

   The part of a sperm containing enzymes that help it penetrate the egg is the

   • Anucleus
   • Btail
   • Cmiddle piece
   • Dacrosome

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7. Question 27· Reproduction· JAMB

   Animals that give birth to live young are described as

   • Aparthenogenetic
   • Boviparous
   • Chermaphrodite
   • Dviviparous

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8. Question 28· Reproduction· JAMB

   Cross-pollination is encouraged when

   • Athe stamens and stigmas of a flower ripen at different times
   • Bflowers are self-fertile
   • Cflowers never open
   • Dstamens and stigmas ripen together

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9. Question 29· Reproduction· JAMB

   After fertilisation, the seed develops from the

   • Aovary
   • Bovule
   • Cpetal
   • Danther

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10. Question 30· Reproduction· JAMB

    Budding is a method of asexual reproduction in

    • Ahumans
    • Bmaize
    • Cyeast and Hydra
    • Dfrogs

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11. Question 31· Reproduction· JAMB

    Double fertilisation in flowering plants produces

    • Aa zygote and a triploid endosperm nucleus
    • Btwo zygotes
    • Ctwo embryos
    • Da seed coat and a fruit wall

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12. Question 32· Reproduction· JAMB

    In flowering plants, the transfer of pollen from anther to stigma is called:

    • Afertilisation
    • Bpollination
    • Cgermination
    • Ddispersal

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13. Question 33· Reproduction· JAMB

    

    In the flower shown, the part labelled B, where pollen grains are made, is the

    • Aovary
    • Bstigma
    • Canther
    • Dsepal

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    Explanation and discussion