CUET PG Zoology - CUET PG Zoology - CUET Zoology Physics

## Introduction to Cell Biology Cell biology is the study of the structure, function, and significance of cells, the fundamental units of life. Understanding cell biology is crucial as it forms the basis for various biological sciences and is relevant for multiple competitive exams. The field covers the origin, types,...

What is the basic structural and functional unit of all organisms?

Cell

Which scientist is credited with coining the term 'cell' after observing cork under a microscope?

Robert Hooke

What is the basic structural and functional unit of all organisms?

Cell

Which scientist is credited with coining the term 'cell' after observing cork under a microscope?

Robert Hooke

What is the definition of a cell?

A cell is defined as the structural and functional unit of any organism. Structurally, it provides shape and framework, while functionally, its activities dictate the overall function of the organism.

Describe the biological hierarchy of organization from atom to organism.

The biological hierarchy progresses from Atom \rightarrow Specialized Cell \rightarrow Tissue \rightarrow Organ \rightarrow Organ System \rightarrow Organism. Specialized cells with identical structure and function combine to form tissues, which then form organs and organ systems.