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प्रश्न
What is cell theory? Name the three scientists whose work led to the formulation of the cell theory.
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उत्तर
Cell theory was given by Schleiden and Schwann in the year 1838-1839. It was refined further by Rudolf Virchow.
The main postulates of cell theory are:
- All living beings are made up of one or more cells.
- Cells are the basic structural and functional unit of all living beings.
- All cells are basically alike in chemical composition and metabolic processes.
- New cells arise by the division of pre-existing cells. (Rudolf Virchow)
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संबंधित प्रश्न
Give a brief account of discovery of the cell.
Write a short answer.
Why is a cell called the structural unit of a living organism?
Write a short answer.
What is the relationship between growth and cell division?
Why was the invention of the microscope so important to the study of living beings?
Fill in the blank with a suitable word:
DNA is an abbreviated form of ______.
Fill in the blank with a suitable word:
Cell ______ was proposed by Schleiden and Schwann.
the question has four options. Choose the correct answer:
The word cell was given by
the question has four options. Choose the correct answer:
The cell was discovered by
Sketch and describe in your own words, the animal cell
