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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
Cell is the basic unit of life. Discuss in brief.
Indicate whether the following statements are True (T) or False (F).
Unicellular organisms have one-celled body. (T / F)
Indicate whether the following statements are True (T) or False (F).
Amoeba has irregular shape. (T / F)
Arrange in a correct sequence
Hen's Egg, Ostrich's egg, Insect's egg.
I convert the Sun’s energy into food for the plant. Who am I?______
Why the cell is very important for us?
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…______
______ cells are specialised cells that can be transformed into any kind of cells.
Nowadays an ______ microscope is used to magnify and observe the cells.
Analogy:
Smallest cell: virus.
Biggest cell: ______.
Name the largest Angiosperm cell
A cell will swell up if
Cell wall of which one of these is not made up of cellulose?
Name the organelles which show the analogy written as under
Transporting channels of the cell——
Name the organelles which show the analogy written as under
Power house of the cell——
Identify the statement which is true for cells.
Which of the following is not a cell?
Fill in the blanks with the terms given in the box below:
| Nucleus, chromosomes, cell wall, cell membrane, protoplasm, cytoplasm, ribosome, cell organelles |
The outermost layer of plant cells is the ___(a)___ beneath which is the ___(b)___. The term ___(c)___ refers to the jelly-like substance containing all the ___(d)___. The ___(e)___ contains thread-like structures called ___(f)___.
Define the following term:
Cell
