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Column A lists the cell parts and Column B lists the functions of the cell part. Column A Column B i. Cell wall A. Control what happens ii. Cell membrane B. Supports the cell. iii. Cytoplasm C. Controls what passes in and out of the cell. iv. Nucleus D. Cell reactions happen in it. Which one of the following options is correct?

Column A lists the cell parts and Column B lists the functions of the cell part. Column A Column B i. Cell wall A. Control what happens ii. Cell membrane B. Supports the cell. iii. Cytoplasm C. Controls what passes in and out of the cell. iv. Nucleus D. Cell reactions happen in it. Which one of the following options is correct? Correct Answer (i) - (B), (ii) - (C), (iii) - (D), (iv) - (A)

The correct match is (i) - (B), (ii) - (C), (iii) - (D), (iv) - (A)

Explanation:

Column A

Column B

i. Cell wall

B.  Supports the cell.

ii. Cell membrane

C. Controls what passes in and out of the cell.

iii. Cytoplasm

D. Cell reactions happen in it. 

iv. Nucleus

A. Control what happens.
  • Cell Wall:
    • Plant cells, in a ddition to the plasma membrane, have another rigid outer covering called the cell wall. The cell wall lies outside the plasma membrane. The plant cell wall is mainly composed of cellulose.
    • The cell wall provides mechanical support to the cell.​
  •  Cell membrane: 
    • This is the outermost covering of the cell that separates the contents of the cell from its external environment.
    • The cell membrane allows or permits the entry and exit of some materials in and out of the cell.
    • It also prevents the movement of some other materials. The cell membrane, therefore, is called a selectively permeable membrane.
  • Cytoplasm:
    • The cytoplasm is the fluid content inside the plasma membrane.
    • It is the arena of cellular activities i.e. cell reactions happen in it.
    • It also contains many specialised cell organelles. Each of these organelles performs a specific function for the cell.
  • Nucleus:
    • The nucleus is called the brain of the cell as it controls all the cellular metabolism and encloses the genetic information of the cell.
    • The nucleus has a double-layered covering called a nuclear membrane.
    • The nuclear membrane has pores that allow the transfer of material from inside the nucleus to its outside, that is, to the cytoplasm

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