- 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
Select the incorrect match:
| Column-I | Column-II | |
| 1. | Lampbrush | Diplotene bivalents chromosomes |
| 2. | Allosomes | Sex chromosomes |
| 3. | Submetacentric | L-shaped chromosomes |
| 4. | Polytene | Oocytes of amphibians chromosomes |
Subtopic: Â Nucleus: Chromosomes |
Level 3: 35%-60%
NEET - 2018
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Consider the following statements:
| I: | The centromere is termed as the primary constriction of a chromosome |
| II: | The secondary constrictions are always constant in their positions |
| III: | The chromosomes having a satellite are marker chromosomes |
| IV: | The chromosomes bend at the secondary constrictions when they are pulled at anaphase |
Which of the above statements are true?
1. I, II and III
2. I and III
3. II, III and IV
4. I, II, III and IV
Subtopic: Â Nucleus: Chromosomes |
 52%
Level 3: 35%-60%
Hints
- 1(current)
Q. No.
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