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Infographics: Parts of a Plant | Science for Class 3

The document Infographics: Parts of a Plant | Science for Class 3 is a part of the Class 3 Course Science for Class 3.
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FAQs on Infographics: Parts of a Plant - Science for Class 3

1. What are the main parts of a plant?
Ans. The main parts of a plant are the roots, stem, leaves, flowers, and fruits. Each part has a specific function that helps the plant grow and survive. Roots anchor the plant and absorb water and nutrients from the soil. The stem supports the plant and transports nutrients and water. Leaves are responsible for photosynthesis, which is how plants make their food. Flowers are involved in reproduction, and fruits contain seeds for new plants.
2. What is the function of roots in a plant?
Ans. Roots play several important roles in a plant's life. They anchor the plant in the ground, providing stability. Roots also absorb water and essential minerals from the soil, which are necessary for the plant's growth and development. Additionally, roots can store food for the plant, helping it survive during tough conditions.
3. Why are leaves important for plants?
Ans. Leaves are crucial for plants because they are the primary site for photosynthesis. In this process, leaves capture sunlight and use it to convert carbon dioxide from the air and water from the soil into food (glucose) for the plant. Leaves also help in gas exchange, allowing carbon dioxide in and oxygen out, which is essential for both the plant and the environment.
4. How do flowers help in the reproduction of plants?
Ans. Flowers are vital for the reproduction of plants as they contain both male and female reproductive organs. The male part (stamen) produces pollen, while the female part (pistil) contains the ovary, which holds the ovules. Pollination occurs when pollen from the stamen reaches the pistil, leading to fertilization. After fertilization, the ovule develops into a seed, and the flower may turn into a fruit to protect the seeds.
5. What is the role of the stem in a plant?
Ans. The stem serves several essential functions in a plant. It supports the plant and holds it upright, allowing leaves to access sunlight for photosynthesis. The stem also acts as a transport system, moving water and nutrients from the roots to the leaves and carrying food produced in the leaves to other parts of the plant. Additionally, some stems can store food and water for the plant.
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