Nutrition in Plants Class 7 explained

Nutrition in Plants Class 7

Nutrition in plants encompasses various processes, including photosynthesis, where chlorophyll in leaves captures sunlight to convert carbon dioxide and water into glucose and oxygen. Stomata, tiny openings on leaves, facilitate gas exchange. Other modes of nutrition include parasitic plants, insectivorous plants that capture and digest prey, and saprotrophic nutrition involving decomposers. Symbiotic relationships, like with Rhizobium bacteria, aid nutrient replenishment in the soil.

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Equation for Photosynthesis

Equation for Photosynthesis

Photosynthesis, the process by which plants convert sunlight into energy, can be summarised by the equation for photosynthesis. The chemical equation, 6CO2 + 6H2O + light energy → C6H12O6 + 6O2, represents the balanced reaction. It outlines the conversion of carbon dioxide and water into glucose and oxygen with the help of sunlight. This word equation simplifies the process for easier understanding.

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what is the importance of photosynthesis

Importance of Photosynthesis

Photosynthesis is vital and sustains life on earth. It produces oxygen, drives plant growth and forms the basis of the food chain. Animals depend on photosynthesis to produce oxygen and feed themselves. Plants thrive on energy production and nutrient synthesis. Humans benefit from food sources and renewable energy sources. Nature finds a balance as photosynthesis reduces carbon dioxide and promotes biodiversity.

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Human Circulatory System

The human circulatory system is responsible for delivering oxygen, nutrients, and hormones to cells and tissues throughout the body. It consists of the heart, blood vessels and blood. The heart pumps oxygenated blood to the body through arteries and the deoxygenated blood returns to the heart through veins. The circulatory system also helps remove waste products from cells and helps regulate body temperature.

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Difference between Lymph and Plasma

Lymph and plasma are both important components of the body’s circulatory system but they differ in their composition, production and function. Lymph is a clear colorless fluid that is produced by lymphatic vessels and plays a vital role in immune system function. Plasma is a yellowish liquid that makes up the liquid portion of blood and is essential for the transport of nutrients and waste products throughout the body. Difference between lymph and plasma explained in easy words to understand and write in points for school assignments and exams

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Mitosis necessary for Growth

Why is Mitosis necessary for Growth?

Mitosis is necessary for growth because it allows for the production of new cells, the maintenance of stable cell populations, the regulation of cell size, and the repair of damaged tissues etc all of which are critical for growth and development in multicellular organisms

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Why is fertilization in an Angiosperm referred to as Double Fertilization? Mention the Ploidy of the Cells Involved.