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L1 : Introduction - Getting to Know Plants, Science, Class 6 Video Lecture

FAQs on L1 : Introduction - Getting to Know Plants, Science, Class 6 Video Lecture

1. What is the importance of studying plants in science?
Ans. Studying plants in science is important because plants play a crucial role in the ecosystem. They produce oxygen, provide food for humans and animals, and contribute to the overall balance of nature. Understanding plants helps scientists develop strategies for conservation and sustainable agriculture.
2. How do plants obtain and use energy for their growth and survival?
Ans. Plants obtain energy through a process called photosynthesis. They use sunlight, carbon dioxide, and water to produce glucose and oxygen. This glucose is used as a source of energy for their growth and survival, while oxygen is released into the atmosphere.
3. What are the different parts of a plant and their functions?
Ans. A plant has various parts with specific functions. The roots anchor the plant in the ground and absorb water and nutrients. The stem supports the plant and transports water, nutrients, and sugars. Leaves perform photosynthesis and help in the exchange of gases. Flowers attract pollinators and produce seeds, while fruits protect and disperse these seeds.
4. How do plants reproduce?
Ans. Plants can reproduce both sexually and asexually. Sexual reproduction involves the fusion of male and female reproductive cells, either within the same flower or between different plants. Asexual reproduction, on the other hand, occurs without the involvement of reproductive cells and includes methods like vegetative propagation, where new plants are formed from stems, roots, or leaves.
5. What are some common adaptations of plants to their environment?
Ans. Plants have various adaptations to survive in different environments. For example, desert plants have thick waxy coatings on their leaves to conserve water, while aquatic plants have air-filled spaces to float. Plants in cold climates might have needle-like leaves to reduce water loss, and those in shady areas may have larger leaves to maximize light absorption. These adaptations help plants thrive in their specific habitats.
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