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 |
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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 |
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Consider the following two statements:

I: Secondary constrictions can be used as markers to identify the particular SAT chromosomes.
II: The secondary constrictions are always constant in their positions.

1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect

Subtopic:  Nucleus: Chromosomes |
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Identify the type of chromosomes not seen in human karyotype:
 
1. Type A 2. Type B
3. Type C 4. Type D
Subtopic:  Nucleus: Chromosomes |
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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 |
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Chromatin in a eukaryotic cell does not contain:
1. DNA 2. Basic histones
3. Non-histone proteins 4. Polysachharides
Subtopic:  Nucleus: Chromosomes |
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Identify the incorrectly matched pair: 
  
I: A Sister chromatids
II: B Q arm of the chromosome
III: C Centromere
IV: D P arm of the chromosome
 
1. Only I and II 2. Only II and IV
3. Only I and III 4. Only I
Subtopic:  Nucleus: Chromosomes |
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