MCQ Collection
MDCAT Biology MCQs
Practice MDCAT Biology questions with answers and explanations.
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Correct Answer: C. Coordinate body functions through hormones
Explanation:
Endocrine glands release hormones into blood.
Hormones affect target cells with specific receptors.
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Correct Answer: C. Support, protection, movement, and mineral storage
Explanation:
Bones support the body and protect organs.
They also store minerals and house marrow.
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Correct Answer: C. Ovum
Explanation:
The ovum is a haploid reproductive cell.
It is produced in the ovaries.
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Correct Answer: D. Coordinate body functions through hormones
Explanation:
Endocrine glands release hormones into blood.
Hormones affect target cells with specific receptors.
Choose an option to check your answer.
Correct Answer: D. Support, protection, movement, and mineral storage
Explanation:
Bones support the body and protect organs.
They also store minerals and house marrow.
Choose an option to check your answer.
Correct Answer: D. A noncellular infectious particle requiring a host cell to reproduce
Explanation:
Viruses contain genetic material inside a protein coat.
Some also possess a lipid envelope.
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Correct Answer: A. Coordinate body functions through hormones
Explanation:
Endocrine glands release hormones into blood.
Hormones affect target cells with specific receptors.
Choose an option to check your answer.
Correct Answer: A. A location where two or more bones meet
Explanation:
Joints may permit movement or provide stability.
Their structure varies with function.
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Correct Answer: A. Junction where a neuron communicates with another cell
Explanation:
Chemical synapses use neurotransmitters.
Electrical synapses use direct current flow.
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Correct Answer: B. Junction where a neuron communicates with another cell
Explanation:
Chemical synapses use neurotransmitters.
Electrical synapses use direct current flow.
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Correct Answer: C. Junction where a neuron communicates with another cell
Explanation:
Chemical synapses use neurotransmitters.
Electrical synapses use direct current flow.
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Correct Answer: D. A rapid automatic response to a stimulus
Explanation:
Reflex pathways often involve the spinal cord.
They protect the body and maintain posture.
