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प्रश्न
What is the need of special tissues or organs for transport of substances in plants and animals?
उत्तर
Organisms like plants and animals need special tissues and organs for the transport of substances because tissues and organs can easily transport essential substances like food, oxygen, and water from one part of the body to another. For example, the xylem tissues of roots, stems, and leaves are interconnected and form a continuous network of channels to transport water to all parts of the plant body.
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संबंधित प्रश्न
Water absorption through roots can be increased by keeping the plants ______.
Does transpiration serve any useful function in the plants? Explain.
The process of carrying food from the leaves to other parts of a plant is called:
Crossword Puzzle
ACROSS
1. Special tubes through which food material is carried inside the plants body.
3. Channel through which movement of water and minerals occurs.
4. Red coloured fluid inside blood vessels.
5. Loss of water in vapour from the leaves.
9. Four chambered organ located in the chest cavity.
10. Blood vessels which bring blood into the heart. DOWN
2. Red coloured pigment which is a carrier of oxygen.
6. Blood vessels which carry blood from the heart.
7. Blood cells which help in clotting of blood.
8. Process by which water passes into the root hair.
How do plants absorb water? Explain.
When any dry plant material is kept in water, they swell up. Name and define the phenomenon involved in this change.
Plants use the energy stored in ATP to accomplish the process of transportation of:
Why is transpiration important for plants?
In a tall tree, which force is responsible for pulling water and minerals from the soil?
Match the pairs.
| Group ‘A’ | Group ‘B’ | ||
| (1) | Parasitic plant | (a) | Mushroom |
| (2) | Insectivorous plant | (b) | Lichen |
| (3) | Saprophytic plant | (c) | Drosera |
| (4) | Symbiotic plant | (d) | Cuscuta |
