Support and Movement Practice Questions
WAEC (West Africa) · WAEC Biology · 143 free MCQs with instant results and detailed explanations.
143
Total
40
Easy
73
Medium
30
Hard
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Sample Questions from Support and Movement
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Q1
Easy
What is the primary function of the skeleton in vertebrates?
A.
To store fat
B.
To provide support and shape
C.
To produce blood cells
D.
To facilitate digestion
Show Answer & Explanation
Correct Answer: B
The primary function of the skeleton in vertebrates is to provide support and shape, allowing the organism to maintain its structure and protect internal organs.
Q2
Easy
Which of the following structures is NOT part of the human skeletal system?
A.
Femur
B.
Radius
C.
Trapezius
D.
Tibia
Show Answer & Explanation
Correct Answer: C
The trapezius is a muscle, not a bone, hence it is not part of the human skeletal system, while the femur, radius, and tibia are all bones.
Q3
Easy
Which of the following structures in plants provides support to the plant body?
A.
Chloroplasts
B.
Cellulose cell walls
C.
Vacuoles
D.
Mitochondria
Show Answer & Explanation
Correct Answer: B
Cellulose cell walls provide rigidity and structural support to plant cells, allowing them to maintain their shape and resist external pressures.
Q4
Medium
Which type of joint allows for the greatest range of movement in the human skeletal system?
A.
Hinge joint
B.
Ball-and-socket joint
C.
Pivot joint
D.
Saddle joint
Show Answer & Explanation
Correct Answer: B
The ball-and-socket joint, such as the hip and shoulder joints, allows for rotational movement and movement in multiple planes, providing the greatest range of motion compared to other joint types.
Q5
Medium
What is the primary function of tendons in the muscular system?
A.
Connect muscle to bone
B.
Connect bone to bone
C.
Support organ structures
D.
Store energy
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Correct Answer: A
Tendons serve the essential role of connecting muscles to bones, allowing for the transfer of force when muscles contract, which enables movement.
Q6
Medium
In humans, which structure is responsible for the production of red blood cells?
A.
Liver
B.
Bone marrow
C.
Spleen
D.
Kidney
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Correct Answer: B
Bone marrow is the primary site for the production of red blood cells in humans, where hematopoiesis occurs, fulfilling the body's oxygen transport requirements.
Q7
Medium
Which type of muscle tissue is involuntary and found in the walls of internal organs?
A.
Skeletal muscle
B.
Cardiac muscle
C.
Smooth muscle
D.
Voluntary muscle
Show Answer & Explanation
Correct Answer: C
Smooth muscle tissue is involuntary and is located in the walls of internal organs, facilitating functions such as peristalsis in the digestive system without conscious control.
Q8
Hard
Which component of the bone matrix is primarily responsible for its rigidity and strength?
A.
Collagen fibers
B.
Hydroxyapatite crystals
C.
Bone marrow
D.
Osteocytes
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Correct Answer: B
Hydroxyapatite crystals, primarily composed of calcium phosphate, provide the rigidity and strength to the bone matrix, allowing bones to withstand compressive forces.
Q9
Hard
A person is diagnosed with a condition that affects the articulation at the knee joint, leading to decreased mobility. Which type of joint is primarily affected in this case?
A.
Ball and socket joint
B.
Hinge joint
C.
Pivot joint
D.
Saddle joint
Show Answer & Explanation
Correct Answer: B
The knee joint is classified as a hinge joint, allowing for flexion and extension. A condition affecting it would lead to decreased mobility in these movements.
Q10
Hard
Which of the following components of the human skeletal system provides flexibility and support to the body, while also protecting vital organs?
A.
Cartilage
B.
Ligaments
C.
Tendons
D.
Bone
Show Answer & Explanation
Correct Answer: A
Cartilage is a flexible connective tissue that provides support and cushioning at joints, allowing for movement while protecting vital organs. Unlike bone, which is rigid, cartilage offers flexibility.
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Support and Movement — WAEC (West Africa) WAEC Biology Practice Questions Online
This page contains 143 practice MCQs for the chapter Support and Movement in WAEC (West Africa) WAEC Biology. The questions are organized by difficulty — 40 easy, 73 medium, 30 hard — so you can choose the right level for your preparation.
Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit.