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प्रश्न
Justify the statement "cell is the basic unit of life"
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उत्तर
All living organisms are made up of cells. Cells are the building blocks of all organisms and they give structural and functional stability to the organisms. All the metabolic processes needed to keep an organism alive occur at the cellular level. Hence cell is said to be the basic unit of life.
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संबंधित प्रश्न
Write short notes on the following.
Nucleus of a cell
Explain why chloroplasts are found only in plant cells?
A plant cell can be identified from an animal cell by the :
Name the part of the cell concerned with the following :
The entry of only certain substances into and out of the cell.
What is the name of the chemical substance which constitutes the genes?
Try to find the names of four cell organells hidden in this maze, (hint: The hidden words can appear horizontally or vertically; forwards or backward or even mixed up). Write them in the lines provided. For example : “NUCLEUS” in the last row, seven backward letters.
| A | J | F | B | H | E | M | O | E | L | O | U | C | A | V |
| H | V | L | E | U | C | O | P | L | A | S | T | N | O | E |
| C | H | R | O | M | O | P | L | A | S | T | X | T | E | R |
| S | U | E | L | C | U | N | W | P | L | A | S | T | I | D |
Where is energy stored in a cell?
Answer the following question.
Who discovered cells, and how?
Answer the following question.
Why is the cell called the structural and functional unit of life?
