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Getting To Know Plants Video Lecture | Living Science (Ratna Sagar) for Class 6

FAQs on Getting To Know Plants Video Lecture - Living Science (Ratna Sagar) for Class 6

1. What are the main parts of a plant?
Ans. The main parts of a plant include the roots, stem, leaves, flowers, and fruits. Roots anchor the plant in the soil and absorb water and nutrients. The stem supports the plant and transports water and nutrients between the roots and leaves. Leaves are responsible for photosynthesis, where plants convert sunlight into energy. Flowers are involved in reproduction, while fruits contain seeds that can grow into new plants.
2. How do plants make their own food?
Ans. Plants make their own food through a process called photosynthesis. They use sunlight, carbon dioxide from the air, and water from the soil to produce glucose (a type of sugar) and oxygen. This process primarily takes place in the leaves, where chlorophyll, the green pigment, captures sunlight.
3. Why are plants important for the environment?
Ans. Plants are crucial for the environment because they produce oxygen and absorb carbon dioxide, helping to regulate the Earth's atmosphere. They provide food and habitat for numerous organisms, including humans. Additionally, plants prevent soil erosion, maintain water cycles, and contribute to the overall health of ecosystems.
4. What are the different types of plants?
Ans. There are various types of plants, including flowering plants (angiosperms), non-flowering plants (gymnosperms), ferns, and mosses. Flowering plants produce flowers and seeds, while non-flowering plants reproduce through cones. Ferns reproduce via spores, and mosses are small, non-vascular plants that also reproduce using spores.
5. How do plants reproduce?
Ans. Plants can reproduce in several ways. The most common method is sexual reproduction, which involves the fertilization of ovules by pollen, leading to seed formation. This process occurs in flowers. Some plants can also reproduce asexually, through methods like runners, tubers, or cuttings, allowing them to grow new plants without seeds.
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