Function of Nucleus


 
 
Concept Explanation
 

Nucleus

  •  It is popularly called 'brain of cell'. It is composed of a double layered covering called nuclear membrane.
  • It has numerous pores called nuclear pores for the transfer of materials from inside the nucleus to cytoplasm.
  • The nucleus contains 'chromosomes', which are visible as rod shaped structures only when the cell is about to divide.
  • It encloses a liquid ground substance called nucleoplasm, which contains nucleolus and chromatin material.
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    Sample Questions
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    Question : 1

    ______________ cells do not have a nucleus.

    Right Option : D
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    Question : 2

    Which part of the cell is called as the brain of the cell ?

    Right Option : A
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    Question : 3

    The growth of cells is regulated by _____________________>

    Right Option : C
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