We are advised to take iodised salt because Iodine is essential for the synthesis of thyroxin hormone. Thyroxin regulates carbohydrate, protein and fat metabolism in the body. Thyroxin provide best balance for growth in the body. CBSE Class 10 Science Question ...
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The correct option is (C). The use of plastic as packaging material increases non-biodegradable waste. Plastics do not decompose naturally, leading to long-term environmental pollution and harm to soil, water, and living organisms. CBSE Class 10 Science Question Paper 2025 with ...
Sameer is likely suffering from diabetes mellitus. It is caused by a deficiency of insulin hormone, which regulates blood sugar levels. Insulin is produced by the pancreas, specifically by the islets of Langerhans. class 10 science half yearly paper class 10 free ...
Arteries have thick, elastic walls to withstand and maintain high pressure from blood pumped by the heart. Veins carry blood at lower pressure, so they contain valves to prevent backflow and ensure unidirectional movement. sample paper for class 10 science board ...
The correct option is (a) Tongue. Gustatory receptors are responsible for detecting taste. These are located in the taste buds present on the surface of the tongue. They help us identify sweet, sour, salty, and bitter flavours in food. class 10 ...