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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Cell Biology knowledge and support exam preparation. Choose a topic below to get started.
1. |
Which of the following disease associated with the nervous system is caused by disorder in gap junctions? |
A. | Parkinson s disease |
B. | Brain ischemia |
C. | Stroke |
D. | Seizures |
Answer» C. Stroke | |
2. |
Which genetic disorder is associated with dysfunction of gap junction? |
A. | Vohwinkel s syndrome |
B. | Down s syndrome |
C. | Zellweger Syndrome |
D. | Bubble Boy Syndrome |
Answer» B. Down s syndrome | |
3. |
Which cell organelle covers the plasmodesmata of the cells? |
A. | Ribosome |
B. | Nucleus |
C. | Rough endoplasmic Reticulum |
D. | Smooth endoplasmic reticulum |
Answer» E. | |
4. |
What is the chemical formula for rotigaptide? |
A. | C<sub>28</sub>H<sub>39</sub>N<sub>7</sub>O<sub>9</sub> |
B. | C<sub>28</sub>H<sub>39</sub>N<sub>7</sub>O<sub>8</sub> |
C. | C<sub>28</sub>H<sub>38</sub>N<sub>7</sub>O<sub>9</sub> |
D. | C<sub>27</sub>H<sub>39</sub>N<sub>7</sub>O<sub>9</sub> |
Answer» B. C<sub>28</sub>H<sub>39</sub>N<sub>7</sub>O<sub>8</sub> | |
5. |
What is the diameter of a gap junction? |
A. | 2.2 3 nm |
B. | 3 3.2 nm |
C. | 1.2 2 nm |
D. | 0.2 2 nm |
Answer» D. 0.2 2 nm | |
6. |
What is the gap junction in nerves called? |
A. | Chemical synapse |
B. | Electrical synapse |
C. | Post synapse |
D. | Pre synapse |
Answer» C. Post synapse | |
7. |
Gap junctions are absent in __________ |
A. | Sperm cells |
B. | Reproductive cells |
C. | Cardiac cells |
D. | Brain cells |
Answer» B. Reproductive cells | |
8. |
How many plasmodesmata are present in a plant cell? |
A. | 10 |
B. | 100 |
C. | 1000 |
D. | 5 |
Answer» D. 5 | |
9. |
Gap junctions are otherwise known as plasmodesmata. |
A. | True |
B. | False |
Answer» C. | |
10. |
Who discovered plasmodesmata? |
A. | Strasburger |
B. | Boveri |
C. | J Rhodin |
D. | Van Beneden |
Answer» B. Boveri | |