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Class 11 Biology Practice Test: Cell The Unit of Life - Nucleus
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Class 11 Biology Practice Test: Cell The Unit of Life - Nucleus
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15 Questions

1. Which of these cells lack a nucleus?
2. Identify the structure.
kinetochore at the constriction between the arms of a chromosome
3. What is the number of chromosomes present in an oocyte?
4. Identify the structure.
Non-staining secondary constrictions of chromosomes apart from centromere
5. Which scientist coined the term chromatin?
6. Which form of chromosome has two equal arms?
7. Which is the primary constriction for every visible chromosome?
8. What is the site of rRNA synthesis within a cell?
9. Which of these is an important constituent of the nuclear matrix?
10. Which type of chromosome has its centromere at its tip?
11. What are the disc shaped structures located on the sides of the centromere?
12. The nucleolus is the site of rRNA synthesis. True or false?
13. A few chromosomes have non-staining constrictions at a constant location. What are these constrictions called?
14. What is the space between the two membranes of the nuclear envelope known as?
15. Which of these organelles are not membrane bound?

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