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प्रश्न
What is the utility of tissues in multi-cellular organisms?
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उत्तर
In unicellular organisms, a single cell performs all the basic functions, such as respiration, movement, excretion, digestion, etc. But in multicellular organisms, cells are grouped to form tissues. These tissues are specialised to carry out a particular function at a definite place in the body.
- For example, muscle cells form muscular tissues, which help with movement, and nerve cells form nervous tissue, which helps transmit messages.
- This is known as the division of labour in multicellular organisms. Because of this division of labour, multicellular organisms can perform all functions efficiently.
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संबंधित प्रश्न
Put a tick (✓) against the most appropriate alternative in the following statement.
A group of similar cells to perform a specific function forms a ___________ .
Define the following term:
Tissue
Write one word for the following:
Cells responsible for the increase in diameter of the stem and root of dicot plants.
What is phloem?
Write one word for the following:
A group of tissues forming a new structure.
Write 'True or False' for the following statement:
Unicellular glands are called goblet cells.
What is tissue?
The xylem and phloem arranged side by side on the same radius is called ______
How is connective tissue classified?
A plant tissue, when stained, showed the presence of hemicellulose and pectin in cell wall of its cells. The tissue represents ______.
