MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
How many sodium ions are transported for every 2 potassium ions by the Na-K pump? |
| A. | 2 |
| B. | 3 |
| C. | 1 |
| D. | 0 |
| Answer» C. 1 | |
| 2. |
At resting membrane potential, which ion concentration is high outside the axonal membrane? |
| A. | Sodium ions |
| B. | Calcium ions |
| C. | Potassium ions |
| D. | Chlorine ions |
| Answer» B. Calcium ions | |
| 3. |
At resting membrane potential, the axonal membrane is permeable to which ions? |
| A. | Calcium ions |
| B. | Sodium ions |
| C. | Potassium ions |
| D. | Chlorine ions |
| Answer» D. Chlorine ions | |
| 4. |
Identify the structure shown in the diagram. |
| A. | Synaptic knob |
| B. | Node of Ranvier |
| C. | Nissl’s granule |
| D. | Schwan cell |
| Answer» E. | |
| 5. |
Unipolar neurons lack dendrites. True or false? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Which of these structures is present in both non-myelinated and myelinated neurons? |
| A. | Myelin forming Schwan cells |
| B. | Myelin sheath |
| C. | Nissl’s granules |
| D. | Nodes of Ranvier |
| Answer» D. Nodes of Ranvier | |
| 7. |
Where are bipolar neurons found? |
| A. | Autonomic ganglia |
| B. | Embryo |
| C. | Cerebral cortex |
| D. | Retina of eye |
| Answer» E. | |
| 8. |
How many types are neurons classified into? |
| A. | 3 |
| B. | 4 |
| C. | 1 |
| D. | 2 |
| Answer» B. 4 | |
| 9. |
Which of these statements is not true regarding axons? |
| A. | They carry impulses away from the cell body |
| B. | They transmit impulses to synapses |
| C. | They are short fibers |
| D. | Their terminal ends are branched |
| Answer» D. Their terminal ends are branched | |
| 10. |
Where are neurotransmitters present inside the neuron? |
| A. | Synaptic knob |
| B. | Synaptic vesicles |
| C. | Nissl’s granules |
| D. | Schwan cells |
| Answer» C. Nissl’s granules | |
| 11. |
What are the terminal branched ends of axons known as? |
| A. | Synaptic knobs |
| B. | Synaptic vesicles |
| C. | Dendrons |
| D. | Dendrites |
| Answer» B. Synaptic vesicles | |
| 12. |
Which of these is not characteristic of dendrites? |
| A. | They contain Nissl’s granules |
| B. | They branch repeatedly |
| C. | They project out from the axon |
| D. | They transmit impulses |
| Answer» D. They transmit impulses | |
| 13. |
Where are Nissl’s granules present? |
| A. | Axon |
| B. | Dendrites |
| C. | Cell body |
| D. | Dendrons |
| Answer» D. Dendrons | |
| 14. |
Which of these structures is not a part of a neuron? |
| A. | Cell body |
| B. | Axon |
| C. | Dendrite |
| D. | Glomerulus |
| Answer» E. | |