WAEC Biology questions

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

1. Question 281· Support and movement· WAEC

   The knee joint is an example of a

   • Aball-and-socket joint
   • Bhinge joint
   • Cpivot joint
   • Dgliding joint

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   Answer: B. hinge joint

   Explanation and discussion

2. Question 282· Support and movement· WAEC

   Muscles that work in opposite directions, like biceps and triceps, are called

   • Asphincters
   • Bvoluntary only
   • Ccardiac muscles
   • Dantagonistic muscles

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   Answer: D. antagonistic muscles

   Explanation and discussion

3. Question 283· Support and movement· WAEC

   Support in herbaceous plants is provided mainly by

   • Abones
   • Bturgid cells and collenchyma
   • Ccartilage
   • Dexoskeleton

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   Answer: B. turgid cells and collenchyma

   Explanation and discussion

4. Question 284· Support and movement· WAEC

   Ligaments are

   • Atough bands that join bone to bone at joints
   • Bfluids in joints
   • Cmuscles
   • Dnerves

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   Answer: A. tough bands that join bone to bone at joints

   Explanation and discussion

5. Question 285· Support and movement· WAEC

   When the biceps muscle contracts, the arm

   • Astraightens at the elbow
   • Bbends at the elbow
   • Crotates at the shoulder
   • Ddoes not move

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   Answer: B. bends at the elbow

   Explanation and discussion

6. Question 286· Support and movement· WAEC

   The tissue that joins one bone to another at a joint is a

   • Aligament
   • Btendon
   • Ccartilage
   • Dmuscle

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   Answer: A. ligament

   Explanation and discussion

7. Question 287· Support and movement· WAEC

   The skeleton of an insect is

   • Aan endoskeleton of bone
   • Ban exoskeleton made of chitin
   • Ca hydrostatic skeleton
   • Dmade of cartilage

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   Answer: B. an exoskeleton made of chitin

   Explanation and discussion

8. Question 288· Support and movement· WAEC

   Tendons join

   • Askin to bone
   • Bbone to bone
   • Cmuscle to muscle
   • Dmuscle to bone

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   Answer: D. muscle to bone

   Explanation and discussion

9. Question 289· Support and movement· WAEC

   The knee is an example of a

   • Ahinge joint
   • Bball and socket joint
   • Cpivot joint
   • Dgliding joint

   Show answer

   Answer: A. hinge joint

   Explanation and discussion

10. Question 290· Support and movement· WAEC

    The joint at the human elbow is a

    • Ahinge joint
    • Bball-and-socket joint
    • Cgliding joint
    • Dpivot joint

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    Answer: A. hinge joint

    Explanation and discussion

11. Question 291· Support and movement· WAEC

    The exoskeleton of an insect is made of

    • Acellulose
    • Bchitin
    • Cbone
    • Dcartilage

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    Answer: B. chitin

    Explanation and discussion

12. Question 292· Support and movement· WAEC

    Tissues that support a herbaceous plant include

    • Achitin
    • Bbone and cartilage
    • Ccollenchyma and sclerenchyma
    • Dmuscles

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    Answer: C. collenchyma and sclerenchyma

    Explanation and discussion

13. Question 293· Support and movement· WAEC

    The fluid that lubricates movable joints is

    • Alymph
    • Bsynovial fluid
    • Cblood plasma
    • Dbile

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    Answer: B. synovial fluid

    Explanation and discussion

14. Question 294· Support and movement· WAEC

    Synovial fluid in a joint

    • Astores calcium
    • Bmakes blood
    • Clubricates the joint
    • Dproduces hormones

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    Answer: C. lubricates the joint

    Explanation and discussion

15. Question 295· Support and movement· WAEC

    The joint at the shoulder is a

    • Ahinge joint
    • Bball-and-socket joint
    • Cpivot joint
    • Dgliding joint

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    Answer: B. ball-and-socket joint

    Explanation and discussion

16. Question 296· Support and movement· WAEC

    The bones of the skull are joined by

    • Ahinge joints
    • Bimmovable joints (sutures)
    • Cball-and-socket joints
    • Dgliding joints

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    Answer: B. immovable joints (sutures)

    Explanation and discussion

17. Question 297· Support and movement· WAEC

    Tissues that attach muscles to bones are

    • Aligaments
    • Btendons
    • Ccartilages
    • Dnerves

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    Answer: B. tendons

    Explanation and discussion

18. Question 298· Support and movement· WAEC

    Young stems of herbaceous plants are supported mainly by

    • Acork
    • Bphloem
    • Cturgid parenchyma cells
    • Dthe epidermis alone

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    Answer: C. turgid parenchyma cells

    Explanation and discussion

19. Question 299· Transport· WAEC

    A person of blood group O is called a universal donor because his red cells

    • Acarry the rhesus factor
    • Bcarry both A and B antigens
    • Ccarry no antibodies
    • Dcarry neither A nor B antigens

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    Answer: D. carry neither A nor B antigens

    Explanation and discussion

20. Question 300· Transport· WAEC

    Phloem tissue transports

    • Amineral salts only
    • Bwater
    • Cmanufactured food, mainly sugars
    • Dcarbon(IV) oxide

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    Answer: C. manufactured food, mainly sugars

    Explanation and discussion