QCM : Microbes and Cell Biology Fundamentals — 9 questions

Questions et réponses du QCM

1. What is the primary role of eukaryotic cells in multicellular organisms?

To carry out photosynthesis exclusively
To perform specialized functions within tissues
To provide structural support only
To serve as reproductive units only

To perform specialized functions within tissues

Explication

Eukaryotic cells form the basis of tissues and organs in multicellular organisms and are specialized to perform specific functions, which is their primary role.

2. Who is considered the 'Father of Microbiology' for his work in developing better lenses and first describing bacteria?

Robert Hooke
Louis Pasteur
Antonie van Leeuwenhoek
Alexander Fleming

Antonie van Leeuwenhoek

Explication

Antonie van Leeuwenhoek is known as the 'Father of Microbiology' because he improved lenses and was the first to observe and describe bacteria and protozoa in the 1660s. Robert Hooke, on the other hand, published Micrographia and described cells in 1665.

3. Who authored the book 'Micrographia' published in 1665, which contained detailed drawings of microscopic objects and introduced the term 'cell'?

Louis Pasteur
Robert Hooke
Alexander Fleming
Antonie van Leeuwenhoek

Robert Hooke

Explication

Robert Hooke authored 'Micrographia' in 1665, which was the first detailed study of microscopic structures and introduced the term 'cell' after observing cork.

4. In what year was Robert Hooke's Micrographia published, marking a significant milestone in microscopy?

1600
1665
1701
1800

1665

Explication

Micrographia was published in 1665 by Robert Hooke and is notable for its detailed microscopic drawings, including the first use of the term 'cell'.

5. What is a microscope?

A device that captures images of distant objects.
A device that measures small distances.
A tool that magnifies tiny objects to make them visible.
A simple magnifying glass used to look at large objects.

A tool that magnifies tiny objects to make them visible.

Explication

A microscope is an optical instrument that magnifies small objects, making them visible to the human eye, which is essential for observing cells and microorganisms that are too tiny to see unaided.

6. Which of the following best describes the function of a cell membrane?

It synthesizes proteins
It controls the entry and exit of substances
It stores genetic information
It provides structural support to the cell

It controls the entry and exit of substances

Explication

The cell membrane's primary role is to control what enters and exits the cell, maintaining homeostasis and protecting the cell's interior.

7. What was the primary contribution of Robert Hooke to microscopy?

He developed the first compound microscope
He invented the electron microscope
He made detailed drawings of microscopic structures and introduced the term 'cell'
He discovered microbes in water samples

He made detailed drawings of microscopic structures and introduced the term 'cell'

Explication

Robert Hooke made detailed drawings of microscopic structures in 1665 and was the first to use the term 'cell' after observing cork.

8. Which organismic component is NOT typically found in plant cells but is common in animal cells?

Cell wall
Chloroplasts
Centrioles
Nucleus

Centrioles

Explication

Centrioles are generally absent in plant cells but are common in animal cells; plant cells have cell walls and chloroplasts.

9. What type of microorganisms did Antonie van Leeuwenhoek primarily observe?

Fungi
Bacteria and protozoa
Viruses
Algae

Bacteria and protozoa

Explication

Antonie van Leeuwenhoek observed bacteria and protozoa using improved lenses, pioneering microbiology.

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Cell components — main parts?

Membrane, cytoplasm, nucleus.

Microscope — function?

Magnifies tiny objects for observation.

Invention of microscopes — significance?

Revealed microscopic world and cells.

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