Model of Cells

Open Ended

What are 'Cells'?

Poll

How many types of cells are there in a human body?

• 20

• 200

• 2000

• 2 million

Open Ended

Name another unicellular organism.

Advances in Technology

Over the years, scientific knowledge has grown as scientists use microscope to investigate the natural world, and, thus discover more about cells.

Example: Light and electron microscopes enable us to study cells more accurately which contributes to effective diagnosis and treatment.

Multiple Select

Which values are shown when early scientists shared their microscope discoveries with others?
(Select all that apply)

• Selfishness

• Honesty

• Secrecy

• Greed

• Cooperation

Multiple Choice

Why is curiosity an important attitude in the discovery of the microscope?

• It helps scientists earn more money.

• It encourages scientists to look closer and ask questions about the unseen world.

• It helps scientists follow strict rules only.

• It stops scientists from trying new ideas.

Multiple Choice

Which apparatus would be most suitable for viewing the detailed structure of a virus particle?

• electron microscope

• hand lens

• light microscope

• mirror

Multiple Choice

Which microscope should be used to examine the general shape and structure of onion cells?

• electron microscope

• light microscope

Draw

How does a typical animal cell looks like?

Word Cloud

Name one part (structure) of an animal cell.

Open Ended

How will an animal cell be affected if it does not have a nucleus?

What does it mean by
partially permeable membrane?

Draw

How does a typical plant cell looks like?

Multiple Choice

What does it mean if a membrane is fully permeable?

• It allows only water to pass through.

• It blocks all substances from passing through.

• It allows all substances to pass through freely.

• It allows only large molecules to pass through.

Multiple Choice

Identity the type of cell.

• Animal cell

• Plant cell

Multiple Choice

Identify the type of cell.

• Animal cell

• Plant cell

Multiple Choice

What is the correct order of biological organization from the simplest to the most complex?

• Organ → Tissue → Cell → Organism

• Cell → Tissue → Organ → Organ System → Organism

• Tissue → Cell → Organ System → Organ

• Organ System → Organ → Tissue → Cell

Word Cloud

List down three organs in a human respiratory system.