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MCQ Quiz: Fundamental Units of Life

Time Remaining: 30:00

1. Who first discovered cells?

Antonie van Leeuwenhoek
Robert Hooke
Matthias Schleiden
Rudolf Virchow

Correct Answer: B (Robert Hooke)

Robert Hooke discovered cells in 1665 when he examined a thin slice of cork under a microscope and observed small compartments which he called "cells".

2. Which of these is NOT a principle of cell theory?

All living things are made of cells
Cells are the basic unit of life
All cells have a nucleus
New cells come from existing cells

Correct Answer: C (All cells have a nucleus)

Prokaryotic cells do not have a nucleus, so this cannot be a principle of cell theory. The three main principles are that all organisms are made of cells, cells are the basic unit of life, and all cells come from pre-existing cells.

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