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STD 11 - 8. Cell the unit of life — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 8. Cell the unit of life4 Marks
MCQ
Match column-$I$ with column-$II$ and select the correct option.
Column-$I$ Column-$II$
$A$. $RER$ $I$. Intracellular and extracellular digestion
$B$. Cell wall $II$. Provide structural support to the cell
$C$. Flagella $III$. Protein synthesis and secretion
$D$. Lysosomes $IV$ Responsible for cell movement
  • ✓
    $A -III ; B -II ; C - IV ; D -I$
  • B
    $A -II ; B - II ; C - IV ; D -I$
  • C
    $A - I ; B - III ; C -II ; D - IV$
  • D
    $A - IV ; B - II ; C - III ; D - I$
✓

Answer

Correct option: A.
$A -III ; B -II ; C - IV ; D -I$
a
RER (rough endoplasmic reticulum) bears ribosomes on their surface. RER is involved in protein synthesis and secretion. Cell wall is a characteristic feature of plant cell, bacteria, fungi, algae and some archaea. The major function of the cell wall is to provide rigidity, tensile strength, structural support, protection against mechanical stress and infection. Flagella are a slender thread-like structure, especially a microscopic whip-like appendage which enables many protozoa, bacteria, spermatozoa, etc. to swim. It is responsible for cell movement. Lysosome is a single membrane bound vesicular structure and contains many hydrolytic enzymes. It is commonly called as suicidal bag of the cells and involved in intracellular and extracellular digestion.

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