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प्रश्न
What structural and functional attributes must a cell have to be called a living cell?
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उत्तर
The structural and functional attributes must a cell has to be called a living cell are:
- Cell membrane- It is the outer membrane of the cell, it is selectively permeable so which allows only selected material to pass through it.
- Cytoplasm- It is a semi-fluid matrix and occupies the volume of the cell. It contains various materials which are necessary for the continuation of life as well as various chemical reactions that occur in it to keep the cell in a living state.
- Genetic material- Both eukaryotic and prokaryotic cells have genetic material. It is responsible for the carrying of hereditary characters from one generation to another.
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संबंधित प्रश्न
Indicate whether the following statements are True (T) or False (F).
Unicellular organisms have one-celled body. (T / F)
Make a sketch of the human nerve cell. What function do nerve cells perform?
Assertion (A): Majority of cells cannot be seen directly with naked eye because.
Reason (R): Cells are microscopic.
On the lines given below, write about what you have learned from the activities done in this lesson.
Let me tell you about some of the important things I’ve learned about cells. First, I’ll start with…______
In Latin, the word ‘cellula’ means a ______.
The cell is self-sufficient and carries out all the fundamental and essential functions of an organism.
Name the largest Angiosperm cell
Which of the following can be made into crystal?
Cell arises from pre-existing cell was stated by
Do you agree that “A cell is a building unit of an organism”. If yes, explain why?
Name the organelles which show the analogy written as under
Transporting channels of the cell——
Choose the correct statement:
Match the terms given in column I with their functions given in column II and fill the blanks given below the table:
| Column I | Column II |
| A. Chloroplast | i) carries hereditary characters |
| B. Cell membrane | ii) controls the activities of cells |
| C. Nucleus | iii) site of photosynthesis |
| D. Chromosome | iv) controls the movement of materials into and out of cells. |
A - ______; B - ______; C - ______; D - ______
The smallest cell in the human body is ______.
Give two examples of stains which make the nucleus distinct.
Name the following:
A pigment which is not found in plastids.
Define the following term:
Cell
