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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
What is a tissue?
Name the kind of tissue found at the lower surface of the leaf.
Can you consider a cluster of eggs as a tissue? Why?
What is the difference between organ and organelle?
Give an outline classification of a plant or an animal tissue.
Choose the correct option.
Mesophyll tissue is present in ______.
Match the following.
| Sclereids | Chlorenchyma |
| Chloroplast | Sclerenchyma |
| Simple tissue | Collenchyma |
| Companion cell | Xylem |
| Trachieds | Phloem |
State different types of tissues.
The xylem and phloem arranged side by side on the same radius is called ______
A plant tissue, when stained, showed the presence of hemicellulose and pectin in cell wall of its cells. The tissue represents ______.
