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Question : (a) List various components of the nucleus. (b) What are chromosomes ? Give their chemical compositon. (c) List the type of chromosome if it has the following position of centromere. (i) in the middle.(ii) at the tip of chromosome.

Answer»

Solution :(a) NUCLEAR envelope, nuclear sap, chromatin material, nucleolus and nuclear matrix.
(b) Chromosomes are thread-like structures usually present in the nucleus and BECOME visible only during CELL DIVISON. Each chromosome is MADE up of DNA and Proteins.
(c) (i) Metacentric chromosome(ii) Telocentric chromosome.


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