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Class 11 Biology Practice Test: Cell The Unit of Life - Nucleus
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Avg score: 87% • Most missed: “Which type of chromosome has its centromere at its tip?”
Class 11 Biology Practice Test: Cell The Unit of Life - Nucleus
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15 Questions

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

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