- 1(current)
Q. No.Mark the following statements as true (T) or false (F) and select the correct option :
| A: | Acrocentric chromosome appears J-shaped during anaphase. |
| B: | Centromere holds two chromatids together. |
| C: | Outer membrane of nucleus is connected with SER only. |
| A | B | C | |
| 1. | T | F | F |
| 2. | F | T | T |
| 3. | T | T | F |
| 4. | F | F | T |
Subtopic: Â Nucleus |Â Nucleus: Chromosomes |
 82%
Level 1: 80%+
Hints
In the following diagram, select the part correctly matched with its character or function.
| 1. | A - The passage through the movement of RNA and protein molecules take place in both directions |
| 2. | B - Frequently observed in cells actively involved in lipids synthesis and secretion |
| 3. | C - Membrane-bound structures composed of deoxyribonucleic acid and proteins |
| 4. | D - Provide surface for DNA and protein synthesis |
Subtopic: Â Nucleus |Â Endomembrane System (Endoplasmic Reticulum) |
 82%
Level 1: 80%+
Hints
Consider the following statements:
| I. | Nucleoplasm contains nucleolus and chromatin |
| II. | The nucleolus is separated from the rest of the nucleoplasm by a membrane |
| III. | The nucleolus is produced from and associated with a specific nucleolar organizing region of certain chromosomes |
| IV. | The nucleolus is the site of rRNA synthesis. |
Which of the above statements are true?
1. I, II, III and IV
2. I, II and IV
3. I, III and IV
4. II, III and IV
Subtopic: Â Nucleus |
 75%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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