Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Free Tools

Explore our collection of AI-powered tools designed to boost your productivity.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing Schools Business

Features Free Tools Pricing Schools Business

5 Questions

1 Views

Cell Biology Quiz

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which statement about the cell is incorrect?

A single cell in a multicellular organism also performs all life functions. (correct)
Cells are capable of performing respiration, reproduction, and growth.
All cells exhibit similar chemical compositions and metabolic activities.
Cells are the basic structural units of life.

What was a key contribution of Rudolf Virchow to the understanding of cells?

He discovered the nucleus in plant cells.
He stated that all cells arise from pre-existing cells. (correct)
He first observed bacteria under a microscope.
He proposed the concept of protoplasm.

Which of the following is NOT part of the cell theory as proposed by Schleiden and Schwann?

The structural and functional units of life are tissues. (correct)
Growth occurs through cell division.
All living organisms are composed of cells.
All cells arise from pre-existing cells.

What term was introduced by Purkinje to describe the living content of cells?

<p>Protoplasm (B)</p> Signup and view all the answers

Which event is chronologically first in the discovery of cells?

<p>Robert Hooke's observation of cork cells. (D)</p> Signup and view all the answers

Flashcards

Cell (definition)

Basic structural and functional unit of life, smallest unit able to perform all life activities.

Cell Theory

Key principles describing cells: all living things are composed of cells, cells have similar functions, cell activities result in organism functions, and cells arise from pre-existing cells.