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Cell: The Unit of Life

ICSE · Class 11 · Biology

Practice quiz for Cell: The Unit of Life — ICSE Class 11 Biology. MCQs and questions with answers to test your preparation.

104 questions48 flashcards5 concepts

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A detailed, labeled diagram of a typical prokaryotic cell, such as a bacterium, showing its major components like cell envelope (glycocalyx, cell wall, plasma membrane), nucleoid, plasmid, flagellum,
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Quick Quiz: Cell: The Unit of Life

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1

Who first used the term 'cell' to describe the basic units observed in a thin slice of cork?

2

Which of the following is the correct statement about the Cell Theory as extended by Rudolf Virchow?

3

Which organelle is considered the 'powerhouse of the cell' because it is the primary site of ATP production?

4

In the Fluid Mosaic Model of the plasma membrane, proposed by Singer and Nicolson (1972), the proteins that are partially or fully embedded within the lipid bilayer are called:

104 Questions·
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Sample Questions

1mcq

Who coined the term "cell" after observing cork under a microscope?

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Robert Hooke

Robert Hooke (1665) observed dead cork cells and called the compartments "cells" because they resembled monks' small rooms (cellulae).

2mcq

Which scientist discovered the nucleus?

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Robert Brown

Robert Brown discovered the nucleus in plant cells in 1833.

3mcq

What does "Omnis cellula e cellula" mean?

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All cells arise from pre-existing cells

"Omnis cellula e cellula" was stated by Virchow (1855) and means "every cell from a cell" — all cells arise from pre-existing cells.

4mcq

Which of the following is the smallest known living cell?

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Mycoplasma

Mycoplasma is the smallest known living cell (0.1–0.5 μm). It is also the simplest cell — it even lacks a cell wall.

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What are the important topics in Cell: The Unit of Life for ICSE Class 11 Biology?
Key topics in Cell: The Unit of Life include Cell: The Unit of Life — Complete Concept Map, Cell Structure and Organization - Comprehensive Overview, Cell Structure Organization and Hierarchy. These are the concepts ICSE Class 11 examiners draw on most — study them first, then practise related questions.
How to score full marks in Cell: The Unit of Life — ICSE Class 11 Biology?
Understand the core concepts first, then work through the 104 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

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