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Hello Readers:

Today we are going to discuss a bit about some very basic things about the cell, mostly Cellular Structures and Functions

So without wasting much time, let us dive into the basics of Cellular Structures and Functions which one should know before going into the details.  These information about the cell are the early history of a cell, which is really very interesting.  Let us now check out those facts below.

  1.  Why a Cell is called Structural and Functional Unit of life?

Ans.  As a single brick of an entire building is a structural unit of that building similarly a Cell is also a structural unit of an entire organism hence a cell is called as a structural unit of life.

A multicellular organism can perform the following physiological activities

  1. Photosynthesis

  2. Respiration

  3. Nutrition

  4. Excretion

  5. Locomotion and Movement

  6. Growth and Reproduction

Similarly, a single cell like Amoeba can also perform the above mentioned physiological activities.  Since a cell has got power to perform all the physiological activities so a cell is regarded as Functional unit of life.

  1. What are the cell theories by Schleiden and Schwann?

a) Life starts from a single cell called zygote
b) Cell is a structural and functional unit of life
c) Cell forms from the pre-existing cell

  1. Why Protoplasm is called as physiological basis of life?

Ans.  According to Thomas Huxley, since all the physiological activities occur in the protoplasm of a cell so the protoplasm is called the physiological basis of life.

  1. Why nucleus is known as Brain of a cell?

Ans.  Since nucleus controls the entire physiological activities of the cell hence it is known as brain of a cell.

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  1. Who first saw the cell and how?

Ans.  Robert Hooke  (1665) first observed many honeycomb like structure while examining a section of bottle cork.  He coined those structures as Cell.

Picture of an original honey comb

  1. Who first made compound microscope?

Ans.  Antony Von Leeuwenhoek.

  1. Who is the father of microbiology?

Ans.  Antony Von Leeuwenhoek.

  1. Who first saw living cell under the microscope?

Ans.  Antony Von Leeuwenhoek.

We hope you have found these interesting facts about cellular structures and functions useful, do let us know your thoughts and feed backs in the comment section below.

Thank you

See you in my next blog


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Hi viewers My name is Partha Pratim Goswami, (PpG) I am a teacher by profession. I have been teaching biology, chemistry and physics, sometimes mathematics also for last sixteen years. I would like to share my entire experience with all the viewers across the world through YouTube, which I think is an amazing platform to share all my experiences.

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