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प्रश्न
Visit a green house if there is one near your place. Observe how they grow plants. Find out how they regulate the amount of light, water and carbon dioxide to grow the plants.
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उत्तर
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Light Regulation:
- Use of Shading Nets: To control the amount of sunlight entering the greenhouse.
- Artificial Lighting: Additional lights may be used to ensure plants receive adequate light during low natural light conditions.
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Water Regulation:
- Drip Irrigation Systems: Efficiently delivers water directly to the plant roots.
- Sprinkler Systems: Evenly distributes water over the plants.
- Humidity Control: Humidifiers or misters may be used to maintain the desired humidity levels.
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Carbon Dioxide Regulation:
- Ventilation Systems: Ensures proper air circulation and CO2 levels.
- CO2 Enrichment: Some greenhouses use CO2 generators to increase the carbon dioxide concentration to enhance plant growth.
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संबंधित प्रश्न
Name the following:
A parasitic plant with yellow, slender and tubular stem.
The plant which traps and feeds on insects is ______.
What moves the food in the digestive organs?
Define parasite.
The process of obtaining food by Amoeba is known as ______.
One of the following organisms has a saprophytic mode of nutrition. This organism is ______.
Which of the following is an incorrect statement?
In which of the following groups of organisms the food material is broken down outside the body and then absorbed?
List two differences between 'Holozoic nutrition' and 'Saprophytic nutrition'. Give two examples of each of these two types of nutrition.
Match the organisms given in Column I with their mode of nutrition given in Column II.
| Column 1 | Column II | ||
| (a) | Mango tree | (i) | Insectivorous plant |
| (b) | Mushroom | (ii) | Heterotroph |
| (c) | Pitcher plant | (iii) | Autotroph |
| (d) | Cuscuta | (iv) | Saprophyte |
| (e) | Elephant | (v) | Parasitic |
