Solved UPSC CDS/OTA Question
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Q · Unit of Life: Cellmedium · 45s
Plant cells have an additional structure absent in animal cells:
TopicUnit of Life: Cell
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Plant cells have a rigid cell wall composed of cellulose external to the plasma membrane, providing structural support. Animal cells lack cell walls and have only a plasma membrane.
Final Answer: Option B - Cell wall