Identify the incorrect statement regarding nucleolus:

1. Their content is continuous with nucleoplasm
2. It is site for active rRNA synthesis
3. Their number is always one per nucleus
4. Larger nucleoli are present in cells actively carrying out protein synthesis
Subtopic:  Nucleus: Chromosomes |
 75%
Level 2: 60%+
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When the centromere in a chromosome is located close to its end, the chromosome is called as:

1. Metacentric 2. Sub-metacentric
3. Acrocentric 4. Telocentric
Subtopic:  Nucleus: Chromosomes |
 71%
Level 2: 60%+
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The type of chromosome not shown in the figure given below will be:
1. metacentric 2. sub-metacentric
3. acrocentric 4. telocentric
Subtopic:  Nucleus: Chromosomes |
 67%
Level 2: 60%+
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