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Getting to Know About Plants Video Lecture - Class 6

FAQs on Getting to Know About Plants Video Lecture - Class 6

1. What are the different parts of a plant?
Ans. Plants have various parts, including roots, stems, leaves, flowers, and fruits. The roots anchor the plant in the soil and absorb water and nutrients. Stems provide support and transport water, minerals, and sugars between the roots and leaves. Leaves are responsible for photosynthesis, where plants convert sunlight into energy. Flowers are the reproductive structures of plants, and fruits contain seeds.
2. How do plants make food?
Ans. Plants make their food through a process called photosynthesis. During photosynthesis, plants use sunlight, carbon dioxide from the air, and water from the roots to produce glucose (sugar) and oxygen. The chlorophyll present in the leaves captures sunlight energy, which is used to convert carbon dioxide and water into glucose. This glucose is then used by the plant for growth and energy.
3. What is the importance of plants in our daily lives?
Ans. Plants are essential for our daily lives in numerous ways. They provide us with oxygen, as they release it during photosynthesis. Plants also act as a primary source of food for humans and animals. They offer various fruits, vegetables, grains, and other edible parts. Additionally, plants are used to make medicines, clothing fibers, shelter materials, and even fuel. They also help in maintaining the ecological balance by reducing carbon dioxide levels and providing habitats for many organisms.
4. How do plants reproduce?
Ans. Plants reproduce through two main methods: sexual reproduction and asexual reproduction. Sexual reproduction involves the fusion of male and female reproductive cells (pollen and ovule) to form seeds. This process occurs in flowers, where pollination is followed by fertilization. Asexual reproduction, on the other hand, does not involve the fusion of reproductive cells and produces offspring identical to the parent plant. This can occur through methods like vegetative propagation, where new plants are formed from plant parts like stems, roots, or leaves.
5. How do plants adapt to different environments?
Ans. Plants have various adaptations to survive in different environments. In hot and arid regions, some plants have adaptations like thick waxy leaves or reduced leaves to minimize water loss. Desert plants often have long roots to reach underground water sources. In aquatic environments, plants have adaptations like floating leaves or air spaces in their stems to help them float and access oxygen. Plants in colder regions may have hairy or waxy leaves to insulate against cold temperatures. These adaptations enable plants to thrive in diverse environments with different climatic conditions.
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