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What are chromosomes ? List their two fu...

What are chromosomes ? List their two functions.

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Chromosomes are thread-like structures usually present in the nucleus and become visible only during cell division. They are composed of DNA and Proteins.
(i) Chromosomes contain hereditary information of the cell.
(ii) DNA of chromosomes also controls all the activites of the cell.
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PRADEEP-THE FUNDAMENTAL UNIT OF LIFE -B. SHORT ANSWER QUESTIONS
  1. List two similarities between mitochondria and plastids.

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  2. State two types of plastids. Write one function of each.

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  3. What are chromosomes ? List their two functions.

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  4. Tabulate six differences between a prokaryotic cell and a eukaryotic c...

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  5. What will happen to a cell when it is placed in (i) hypertonic solutio...

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  6. What is the normal location of the nucleus (i) in an animall cell and ...

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  7. How would you explain 'endosmosis' and 'exosmosis' ?

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  8. How would you differentiate between phagocytosis and exocytosis ?

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  9. (a) Name one process by which materials are exchanged through plasma m...

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  10. Give two major differences between compound microscope and electron mi...

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  11. What is the significance of exocytosis ?

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  12. What advantages does selective permeability of plasma membrane provide...

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  13. What do you mean by bulk transport of materials ? Name two special pro...

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  14. Give atleast two important characteristics of a prokaryotic cell.

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  15. Define the terms 'plasmolysis' and 'deplasmolysis'.

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  16. Which parts of green plastid (chloroplast) are the sites of 'light rea...

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  17. Which type of ribosomes are present in prokaryotic cells and eukaryoti...

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  18. Name the chief constituents of primary cell wall and secondary cell wa...

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  19. Why does a plant cell, when placed in a hypotonic solution, not burst ...

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  20. Why are the mitochondria and plastids called semiautonomous organelles...

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