Class 11 Biology: Cell The Unit of Life Worksheet

This worksheet covers fundamental concepts of the cell, its structure, and basic functions, suitable for Class 11 Biology students to reinforce their understanding of 'The Unit of Life'.

Class 11CBSEBiologyeasyPractice

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Preview · 10 questions

Q1. Who first observed living cells?
- Robert Hooke
- Anton von Leeuwenhoek
- Matthias Schleiden
- Theodor Schwann
Q2. Which of the following is NOT a component of a prokaryotic cell?
- Ribosome
- Plasmid
- Nucleoid
- Mitochondria
Q3. The 'fluid mosaic model' of the plasma membrane was proposed by:
- Robert Brown
- Singer and Nicolson
- Anton von Leeuwenhoek
- Schleiden and Schwann
Q4. Cell wall in plants is primarily composed of:
- Chitin
- Peptidoglycan
- Cellulose
- Lignin
Q5. Which organelle is known as the 'powerhouse of the cell'?
- Ribosome
- Endoplasmic Reticulum
- Mitochondria
- Golgi apparatus

+ 5 more in the printable PDF.