Coordination and Control Practice Questions
WAEC (West Africa) · WAEC Biology · 137 free MCQs with instant results and detailed explanations.
137
Total
38
Easy
72
Medium
27
Hard
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Sample Questions from Coordination and Control
Here are 10 sample questions. Start a quiz to get randomized questions with scoring.
Q1
Easy
Which part of the human brain is primarily responsible for controlling balance and coordination?
A.
Cerebrum
B.
Cerebellum
C.
Medulla Oblongata
D.
Hypothalamus
Show Answer & Explanation
Correct Answer: B
The cerebellum is the part of the brain that is mainly responsible for coordinating voluntary movements, balance, and posture. It helps in fine-tuning motor activities.
Q2
Easy
What is the role of neurotransmitters in the nervous system?
A.
To transmit electrical impulses along neurons
B.
To facilitate communication between neurons
C.
To store genetic information
D.
To protect neurons from damage
Show Answer & Explanation
Correct Answer: B
Neurotransmitters are chemicals that transmit signals from one neuron to another across synapses, facilitating communication within the nervous system.
Q3
Easy
What is the primary function of the nervous system in animals?
A.
To transport nutrients
B.
To coordinate body activities
C.
To produce energy
D.
To protect against pathogens
Show Answer & Explanation
Correct Answer: B
The primary function of the nervous system is to coordinate and control various body activities by transmitting signals between different parts of the body. This is crucial for responding to stimuli.
Q4
Medium
What is the primary function of the human nervous system?
A.
To circulate blood throughout the body
B.
To coordinate body activities and respond to stimuli
C.
To digest food and absorb nutrients
D.
To filter waste products from the blood
Show Answer & Explanation
Correct Answer: B
The primary function of the human nervous system is to coordinate body activities and respond to stimuli, allowing organisms to react to environmental changes.
Q5
Medium
In a reflex action, what is the role of the spinal cord?
A.
To process sensory information
B.
To transmit signals between the brain and body
C.
To relay signals rapidly for an immediate response
D.
To store long-term memories
Show Answer & Explanation
Correct Answer: C
In a reflex action, the spinal cord acts as a relay that transmits signals rapidly for an immediate response, allowing quick reactions without involving the brain.
Q6
Medium
Which part of the brain is primarily responsible for balance and coordination?
A.
Cerebrum
B.
Cerebellum
C.
Medulla oblongata
D.
Hypothalamus
Show Answer & Explanation
Correct Answer: B
The cerebellum is primarily responsible for balance and coordination of voluntary movements, ensuring smooth and precise motor activity.
Q7
Medium
Which hormone is primarily involved in the regulation of blood glucose levels?
A.
Adrenaline
B.
Insulin
C.
Thyroxine
D.
Estrogen
Show Answer & Explanation
Correct Answer: B
Insulin is the primary hormone involved in the regulation of blood glucose levels, allowing cells to absorb glucose and lowering blood sugar.
Q8
Hard
Which of the following structures is primarily responsible for the coordination of voluntary movements in the human body?
A.
Cerebellum
B.
Medulla Oblongata
C.
Cerebrum
D.
Spinal Cord
Show Answer & Explanation
Correct Answer: A
The cerebellum is crucial for coordinating voluntary movements and balance. It integrates sensory information and fine-tunes motor activity, making it the primary structure for this function.
Q9
Hard
In a reflex arc, which component is responsible for transmitting signals from the sensory neuron to the motor neuron?
A.
Interneuron
B.
Sensory receptor
C.
Effector
D.
Motor neuron
Show Answer & Explanation
Correct Answer: A
The interneuron serves as a relay between the sensory neuron and the motor neuron in a reflex arc. It processes the sensory input and facilitates the appropriate motor response.
Q10
Hard
Which structure in the human brain is primarily responsible for regulating homeostasis and linking the nervous system to the endocrine system?
A.
Hypothalamus
B.
Medulla Oblongata
C.
Cerebellum
D.
Cerebrum
Show Answer & Explanation
Correct Answer: A
The hypothalamus is the key brain structure that regulates homeostasis by controlling various autonomic functions, including temperature, hunger, and thirst, while also linking the nervous system to the endocrine system through hormone regulation.
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Coordination and Control — WAEC (West Africa) WAEC Biology Practice Questions Online
This page contains 137 practice MCQs for the chapter Coordination and Control in WAEC (West Africa) WAEC Biology. The questions are organized by difficulty — 38 easy, 72 medium, 27 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.