Lesson 1- Cell Theory

What is a cell?

• Smallest structural unit of living matter capable of functioning independently

• Smallest structural unit of living matter incapable of functioning independently .

• Second smallest structural unit of living matter not capable of functioning independently.

• Second smallest structural unit of living matter capable of functioning independetly.

When was the cell Theory developed?

• Early 1600s

• Mid- 1600s

• mid – 1700s

• mid - 1800s

Who was the first person to observe live cells under the microscope?

• Robert Hooke

• Anton Van Leeuwenhoek

• Matthias Schleiden

• Theodor Schwann

Who observed little structures in a piece of cork and call them “cells”?

He Proposed that all plants are made up of cells

He invented the forerunner of the microscope

Who declared “ Omnis cellula ecellula”?

Which of the following is not true about the cell theory?

• All cells arise spontaneously.

• All cells arise from pre existing cells.

• All living organisms are made up of cells

• Cell is the basic unit of life.

He declared that animals are likewise composed of cells

A Scottish Botanist who discovered the nucleus and a series of discoveries about the cell organelles.