MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following forms the major part of the human brain? |
| A. | Cerebrum |
| B. | Medulla oblongata |
| C. | Cerebellum |
| D. | Hypothalamus |
| Answer» B. Medulla oblongata | |
| 2. |
Which of the following is not a part of the forebrain? |
| A. | Cerebrum |
| B. | Cerebellum |
| C. | Thalamus |
| D. | Hypothalamus |
| Answer» C. Thalamus | |
| 3. |
Which of the following is not a part of the cranial meninges? |
| A. | Dura mater |
| B. | Arachnoid |
| C. | Pia mater |
| D. | Corpus callosum |
| Answer» E. | |
| 4. |
The brain can be divided into three major parts. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Which of the following is not the function of the brain? |
| A. | Thermoregulation |
| B. | Circadian rhythm of our body |
| C. | Voluntary movements |
| D. | Generates heartbeat |
| Answer» E. | |
| 6. |
Which of the following is the central processing organ of our body? |
| A. | Heart |
| B. | Kidney |
| C. | Brain |
| D. | Spinal cord |
| Answer» D. Spinal cord | |
| 7. |
Where are the specific receptors of neurotransmitters present? |
| A. | Synaptic cleft |
| B. | Post-synaptic membrane |
| C. | Pre-synaptic membrane |
| D. | Synaptic vesicle |
| Answer» C. Pre-synaptic membrane | |
| 8. |
Which of the following is not a feature of the chemical synapse? |
| A. | Slow |
| B. | Common |
| C. | Neurotransmitters |
| D. | Multidirectional |
| Answer» E. | |
| 9. |
What is the fluid-filled space known as in chemical synapses? |
| A. | Synaptic cleft |
| B. | Gap junctions |
| C. | Synapse |
| D. | Synaptic vesicles |
| Answer» B. Gap junctions | |
| 10. |
Which of the following statements is incorrect regarding electrical synapses? |
| A. | Transmission of signals is faster than chemical synapses |
| B. | Pre and postsynaptic membranes are in very close proximity |
| C. | They are very common in our system |
| D. | Electrical synapse can flow directly from one neuron to another |
| Answer» D. Electrical synapse can flow directly from one neuron to another | |
| 11. |
There are three types of synapses. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
How are impulses transmitted from one neuron to another? |
| A. | Through intercellular junctions |
| B. | Through tight junctions |
| C. | Through gap junctions |
| D. | Through synapses |
| Answer» E. | |
| 13. |
Where are the myelinated neurons found? |
| A. | Only in the embryonic condition |
| B. | In Spinal cord and cranial nerves |
| C. | In peripheral nerve |
| D. | In motor neurons |
| Answer» C. In peripheral nerve | |
| 14. |
Which of the following cells secrete a myelin sheath? |
| A. | Schwann cells |
| B. | Adipocytes |
| C. | Cartilage cells |
| D. | Bone marrow cells |
| Answer» B. Adipocytes | |
| 15. |
Based on which of the following, the neurons are divided into three major types? |
| A. | Based on the size of neurons |
| B. | Based on the length of neurons |
| C. | Based on the number of axons and dendrites |
| D. | Based on the power of their division |
| Answer» D. Based on the power of their division | |