CBSE 11th Standard Biology Subject Cell -The Unit of Life Ncert Exemplar 2 Marks Questions 2021
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CBSE 11th Standard Biology Subject Cell -The Unit of Life Ncert Exemplar 2 Marks Questions 2021
11th Standard CBSE
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Reg.No. :
Biology
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Discuss briefly the role nucleolus in the cell actively involved in protein synthesis.
(a) -
What are histones? What are their functions?
(a) -
Multicellular organisms have division of labour. Explain.
(a) -
The genomic content of the nucleus is constant for a given species whereas, the extra chromosomal DNA is found to be variable among the members of a population. Explain.
(a) -
Briefly give the contributions of the following scientists in formulating the cell theory.
(i) Rudolf Virchow
(ii) Schleiden and Schwarm(a)
2 Marks