JAMB Biology questions

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

1. Question 401· Transport· JAMB

   The blood vessel that carries blood from the heart to the lungs is the

   • Apulmonary vein
   • Bpulmonary artery
   • Caorta
   • Dhepatic vein

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   Answer: B. pulmonary artery

   Explanation and discussion

2. Question 402· Transport· JAMB

   Veins have valves in order to

   • Aprevent the backflow of blood
   • Bpump blood
   • Cfilter blood
   • Dstore blood

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   Answer: A. prevent the backflow of blood

   Explanation and discussion

3. Question 403· Transport· JAMB

   The tricuspid valve is found between the

   • Aright atrium and right ventricle
   • Bleft atrium and left ventricle
   • Cleft ventricle and aorta
   • Dright ventricle and pulmonary artery

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   Answer: A. right atrium and right ventricle

   Explanation and discussion

4. Question 404· Transport· JAMB

   Mammals have a double circulation, which means that blood

   • Apasses through the heart twice in one complete circuit
   • Bhas two kinds of cells
   • Cflows in two directions in each vessel
   • Dis pumped by two hearts

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   Answer: A. passes through the heart twice in one complete circuit

   Explanation and discussion

5. Question 405· Transport· JAMB

   The right ventricle of the heart pumps blood to the

   • Abrain only
   • Bwhole body
   • Clungs
   • Dliver

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   Answer: C. lungs

   Explanation and discussion

6. Question 406· Transport· JAMB

   The blood vessel that carries oxygenated blood from the lungs to the heart is the:

   • Apulmonary artery
   • Bvena cava
   • Caorta
   • Dpulmonary vein

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   Answer: D. pulmonary vein

   Explanation and discussion

7. Question 407· Variety of organisms· JAMB

   Viruses are regarded as being on the borderline between living and non-living things because they

   • Aare very small
   • Breproduce only inside living cells
   • Ccause diseases
   • Dhave cell walls

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   Answer: B. reproduce only inside living cells

   Explanation and discussion

8. Question 408· Variety of organisms· JAMB

   Which of the following shows the correct order of classification groups, from the largest to the smallest?

   • Akingdom, class, phylum, order, genus, family, species
   • Bkingdom, phylum, class, order, family, genus, species
   • Cphylum, kingdom, class, family, order, genus, species
   • Dkingdom, phylum, order, class, family, species, genus

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   Answer: B. kingdom, phylum, class, order, family, genus, species

   Explanation and discussion

9. Question 409· Variety of organisms· JAMB

   Arthropods with three body parts and six legs belong to the class

   • ACrustacea
   • BArachnida
   • CInsecta
   • DMyriapoda

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   Answer: C. Insecta

   Explanation and discussion

10. Question 410· Variety of organisms· JAMB

    Euglena is regarded as a link between plants and animals because it

    • Ahas roots
    • Bhas chloroplasts and also swims with a flagellum
    • Chas a backbone
    • Dlacks a nucleus

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    Answer: B. has chloroplasts and also swims with a flagellum

    Explanation and discussion

11. Question 411· Variety of organisms· JAMB

    Which of the following is a bryophyte?

    • Apine
    • Bfern
    • Cmaize
    • Dmoss

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    Answer: D. moss

    Explanation and discussion

12. Question 412· Variety of organisms· JAMB

    A characteristic shared by all arthropods is

    • Ajointed appendages and an exoskeleton
    • Bfour pairs of legs
    • Cwings
    • Da backbone

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    Answer: A. jointed appendages and an exoskeleton

    Explanation and discussion

13. Question 413· Variety of organisms· JAMB

    Insects differ from spiders in having

    • Ano exoskeleton
    • Bno antennae
    • Ceight legs
    • Dthree pairs of legs instead of four

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    Answer: D. three pairs of legs instead of four

    Explanation and discussion

14. Question 414· Variety of organisms· JAMB

    Organisms that make food using energy from chemical reactions rather than light carry out

    • Aparasitism
    • Bphotosynthesis
    • Cchemosynthesis
    • Dsaprophytism

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    Answer: C. chemosynthesis

    Explanation and discussion

15. Question 415· Variety of organisms· JAMB

    Which of the following is a parasitic flatworm?

    • Aearthworm
    • Btapeworm
    • CPlanaria
    • Dleech

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    Answer: B. tapeworm

    Explanation and discussion

16. Question 416· Variety of organisms· JAMB

    Rhizopus (bread mould) reproduces asexually by

    • Aspores formed in sporangia
    • Bbudding
    • Cbinary fission
    • Dseeds

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    Answer: A. spores formed in sporangia

    Explanation and discussion

17. Question 417· Variety of organisms· JAMB

    Euglena moves by means of

    • Alegs
    • Bcilia
    • Cpseudopodia
    • Da flagellum

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    Answer: D. a flagellum

    Explanation and discussion

18. Question 418· Variety of organisms· JAMB

    The tapeworm is adapted to its parasitic life by having

    • Awings
    • Bgills
    • Ca large gut
    • Dhooks and suckers for attachment

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    Answer: D. hooks and suckers for attachment

    Explanation and discussion

19. Question 419· Variety of organisms· JAMB

    In the scientific name Homo sapiens, the word 'sapiens' is the

    • Aspecies name
    • Bgenus name
    • Cfamily name
    • Dorder name

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    Answer: A. species name

    Explanation and discussion

20. Question 420· Variety of organisms· JAMB

    Hydra, jellyfish and sea anemones all possess

    • Asegmented bodies
    • Bjointed legs
    • Ca backbone
    • Dstinging cells (cnidocytes)

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    Answer: D. stinging cells (cnidocytes)

    Explanation and discussion