JAMB Biology questions

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

1. Question 141· Evolution· JAMB

   In malaria-prone areas, people with the sickle-cell trait (AS) survive better than AA people. This is an example of

   • Avestigial organs
   • Binheritance of acquired characters
   • Cartificial selection
   • Dnatural selection

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2. Question 142· Evolution· JAMB

   Fossils are most commonly found in

   • Avolcanic lava
   • Bigneous rocks
   • Csedimentary rocks
   • Dmetamorphic rocks only

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3. Question 143· Evolution· JAMB

   A streamlined body is an adaptation of fish for

   • Abreathing air
   • Bmoving easily through water
   • Cclimbing
   • Ddigging

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4. Question 144· Evolution· JAMB

   Darwin's theory of natural selection depends on

   • Ainheritance of acquired characters
   • Boverproduction of offspring, variation and a struggle for existence
   • Cuse and disuse of organs
   • Dthe absence of competition

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5. Question 145· Evolution· JAMB

   The variety of beak shapes among Darwin's finches on the Galapagos Islands is an example of

   • Aconvergent evolution
   • Badaptive radiation
   • Cuse and disuse
   • Dartificial selection

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6. Question 146· Evolution· JAMB

   The rise of dark peppered moths in sooty industrial areas is an example of

   • Aartificial selection
   • Buse and disuse
   • Cnatural selection
   • Dspontaneous generation

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7. Question 147· Evolution· JAMB

   Adaptive radiation is

   • Amigration
   • Bextinction
   • Cthe evolution of many species from a common ancestor to fill different niches
   • Dhibernation

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8. Question 148· Evolution· JAMB

   Lamarck explained the long neck of the giraffe as the result of

   • Astretching to reach leaves, passed on to offspring
   • Bnatural selection of long-necked giraffes
   • Ca sudden mutation
   • Dartificial selection

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9. Question 149· Evolution· JAMB

   Which of the following is NOT evidence for evolution?

   • Asimilar DNA sequences
   • Bfossil records
   • Chomologous structures
   • Dskills such as reading acquired during a person's life

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10. Question 150· Evolution· JAMB

    Artificial selection is

    • Athe breeding of plants and animals by humans for desired traits
    • Bselection by nature alone
    • Cselection by predators
    • Dselection by parasites

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11. Question 151· Evolution· JAMB

    The theory of natural selection was proposed by:

    • ALamarck
    • BMendel
    • CDarwin
    • DPasteur

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12. Question 152· Evolution· JAMB

    Lamarck's theory of evolution was based on the

    • Asurvival of the fittest
    • Binheritance of acquired characteristics
    • Ctheory of mutation
    • Dfossil record

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13. Question 153· Evolution· JAMB

    The increase of dark-coloured peppered moths in polluted industrial areas is an example of

    • Ause and disuse
    • BLamarckism
    • Cnatural selection
    • Dartificial selection

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14. Question 154· Evolution· JAMB

    Similar proteins and DNA in different species provide evidence for evolution from

    • Acomparative anatomy only
    • Bgeographical distribution
    • Ccomparative biochemistry
    • Dembryology only

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15. Question 155· Evolution· JAMB

    The wings of a bird and the wings of a butterfly are

    • Aidentical in origin
    • Bhomologous structures
    • Cvestigial structures
    • Danalogous structures

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16. Question 156· Evolution· JAMB

    'Survival of the fittest' is a phrase associated with the theory of

    • Aspecial creation
    • Buse and disuse
    • Cnatural selection
    • Dspontaneous generation

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17. Question 157· Evolution· JAMB

    A harmless organism that resembles a harmful one and is therefore avoided by predators shows

    • Aparasitism
    • Bcamouflage
    • Chibernation
    • Dmimicry

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18. Question 158· Evolution· JAMB

    An adaptation of desert plants to reduce water loss is

    • Asunken stomata and a thick cuticle
    • Blarge thin leaves
    • Cmany stomata on the upper surface
    • Dshallow roots only

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19. Question 159· Excretion· JAMB

    Which of the following is an excretory product of plants?

    • Aglucose
    • Btannins
    • Cstarch
    • Dcellulose

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20. Question 160· Excretion· JAMB

    Selective reabsorption of glucose in the kidney takes place mainly in the

    • ABowman's capsule
    • Bproximal convoluted tubule
    • Cureter
    • Dbladder

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