Free Brain MCQs with Answers
91 Brain MCQs from Biology, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
The brain includes the cerebrum, cerebellum, brainstem, hypothalamus and medulla, each with distinct roles in sensation, movement and homeostasis. Questions connect major brain regions with their functions, reflex control and coordination, while distinguishing involuntary responses from hormonal regulation.
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- A. Cerebrum
- B. Cerebellum
- C. Medulla
- D. Hypothalamus
Explanation: The cerebrum is the largest part of the brain and is responsible for processing and interpreting sensory information, including sound…
Correct answer: Cerebrum- A. Ivan Pavlov
- B. E.L. Thorndike
- C. Konrad Lorenz
- D. Wolfgang Köhler
Explanation: Edward Thorndike is the correct answer because he conducted experiments using puzzle boxes to study learning in animals.
Correct answer: E.L. Thorndike- A. Diencephalon
- B. Myelencephalon
- C. Telencephalon
- D. Metencephalon
Explanation: The hypothalamus is a region of the forebrain located below the thalamus, forming the basal portion of the diencephalon.
Correct answer: Diencephalon- A. Pia mater and dura mater
- B. Pia mater and arachnoid mater
- C. Grey matter and pia mater
- D. Dura mater and grey mater
Explanation: Cerebrospinal fluid (CSF) is a clear, colorless liquid that fills and surrounds the brain and the spinal cord and provides a mechanical…
Correct answer: Pia mater and arachnoid mater- A. 02 pairs
- B. 04 pairs
- C. 06 pairs
- D. 08 pairs
Explanation: The cranial nerves are a set of 12 paired nerves in the back of our brain.
Correct answer: 04 pairs- A. Psychosis
- B. Euphoria
- C. Paranoia
- D. Photophobia
Explanation: Cannabis is a plant that has uses as a recreational and medicinal drug. Psychosis is a symptom that involves a disconnection from reality.
Correct answer: Psychosis- A. Alzheimer's disease
- B. Meningitis
- C. Cerebrovascular accident (CVA)
- D. Malignant
Explanation: The correct answer is Alzheimer's disease. Alzheimer's disease is a chronic neurodegenerative disease that typically starts slowly and…
Correct answer: Alzheimer's disease- A. Hypothalamus
- B. Medulla oblongata
- C. Cerebellum
- D. Both B and C
Explanation: The swallowing procedure is actually regulated by nerves in both the cerebellum and the medulla oblongata.
Correct answer: Both B and C- A. Brain stem
- B. Cerebellum
- C. Cortex
- D. Cerebral Hemispheres
Explanation: The telencephalon is the most anterior part of the brain and is responsible for higher cognitive functions such as perception, learning…
Correct answer: Cerebral Hemispheres- A. Instinct
- B. Maturation
- C. Habituation
- D. Imprinting
Explanation: Habituation refers to the decrease in response to repeated or continuous stimulation.
Correct answer: Habituation- A. Operant learning
- B. Classical conditioning
- C. Insight
- D. Imprinting
Explanation: Trial and error learning, also known as operant conditioning, involves learning through repeated experiences and adjusting behavior based…
Correct answer: Classical conditioning