Free Coordination and Control MCQs with Answers
1,687 Coordination and Control MCQs from Biology, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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- A. Nerve cells
- B. WBC
- C. RBC
- D. Platelets
Explanation: Nissl granules are stacks of rough endoplasmic reticulum in the cell body of a neurone, supporting the heavy protein synthesis a nerve…
Correct answer: Nerve cells- A. Cerebrum
- B. Cerebellum
- C. Hypothalamus
- D. Medulla oblongata
Explanation: The cerebellum receives information from muscles, joints and the balance organs of the inner ear and smooths the commands issued by the…
Correct answer: Cerebellum- A. Motor neurons
- B. Sensory neurons
- C. Interneurons
- D. Afferent neurons
Explanation: Motor, or efferent, neurones carry impulses away from the central nervous system to the effector, which in this case is a muscle that…
Correct answer: Motor neurons- A. Brain stem
- B. Brain base
- C. Brain root
- D. None of These
Explanation: The medulla oblongata and pons are parts of the hindbrain and together form major components of the brainstem, which connects the brain…
Correct answer: Brain stem85. Which is important for screening the input information, before they reach the higher brain centers?
- A. Pons
- B. Cranium
- C. Reticular formation
- D. Amygdala
Explanation: The reticular formation receives and filters incoming sensory information, helping determine which signals are important enough to reach…
Correct answer: Reticular formation- A. Cerebrum
- B. Cerebellum
- C. Thalamus
- D. Hypothalamus
Explanation: The cerebellum coordinates muscle activity, balance and timing, allowing movements to be smooth and precise.
Correct answer: Cerebellum- A. A disorder of speech
- B. A disorder of hearing
- C. A disorder of learning
- D. None of the above
Explanation: Lalopathy refers to a disorder affecting speech or the ability to produce speech.
Correct answer: A disorder of speech- A. The left parietal lobe
- B. cerebrum
- C. The right parietal lobe
- D. Mid brain
Explanation: Mathematical processing, especially calculation and numerical reasoning, is strongly associated with areas of the left parietal lobe.
Correct answer: The left parietal lobe- A. Spinal cord
- B. Cerebrum
- C. Cerebellum
- D. Medulla Oblongata
Explanation: The medulla oblongata contains centres that regulate involuntary activities such as breathing, heart rate, and blood pressure, thereby…
Correct answer: Medulla Oblongata- A. Corpus callosum
- B. Medulla oblongata
- C. Cerebral cortex
- D. Cerebellum
Explanation: The corpus callosum is a broad band of nerve fibres that carries information between the left and right cerebral hemispheres.
Correct answer: Corpus callosum- A. Cerebrum
- B. Cerebellum
- C. Thalamus
- D. Hypothalamus
Explanation: The cerebrum controls higher mental functions such as intelligence, memory, learning, reasoning and conscious thought through its cerebral…
Correct answer: Cerebrum- A. Cerebrum
- B. Cerebellum
- C. Thalamus
- D. Hypothalamus
Explanation: The cerebellum is the second largest part of the human brain after the cerebrum and coordinates balance, posture and precise muscular…
Correct answer: Cerebellum- A. Cerebrum
- B. Cerebellum
- C. Medulla oblongata
- D. Thalamus
Explanation: The cerebrum is the largest brain region and is divided into two cerebral hemispheres responsible for conscious sensation, voluntary…
Correct answer: Cerebrum- A. Imprinting
- B. Habituation
- C. Latent learning
- D. Insight learning
Explanation: Habituation is a non-associative form of learning in which an organism's response decreases after repeated exposure to a harmless…
Correct answer: Habituation- A. Latent learning
- B. Insight learning
- C. Operant conditioning
- D. Instinct
Explanation: Insight learning occurs when an animal suddenly reorganises its understanding of a problem and reaches a solution, rather than relying…
Correct answer: Insight learning- A. Epilepsy
- B. Meningitis
- C. Alzheimer's disease
- D. Parkinson's disease
Explanation: Parkinson's disease results mainly from degeneration of dopamine-producing neurons involved in motor control, causing resting tremors…
Correct answer: Parkinson's disease- A. Nervous system
- B. Endocrine system
- C. Respiratory system
- D. Both A and B
Explanation: Animals coordinate body activities through both the nervous system, which uses rapid electrical signals, and the endocrine system, which…
Correct answer: Both A and B- A. Glucagon
- B. Insulin
- C. Gastrin
- D. TSH (Thyroid Stimulation Hormone)
Explanation: Insulin lowers blood glucose by promoting glucose uptake by cells and its storage as glycogen in the liver and muscles.
Correct answer: Insulin- A. STH
- B. TSH
- C. ACTH
- D. Thyroxin
Explanation: Acromegaly results from excess secretion of somatotropic hormone, also called growth hormone or STH, after the growth plates have closed.
Correct answer: STH- A. Acidic
- B. Basic
- C. Neutral
- D. All of these
Explanation: Secretin is released by the duodenal mucosa when acidic chyme from the stomach enters the small intestine, and it stimulates bicarbonate…
Correct answer: Acidic