This biology question covers important biological concepts and processes. The step-by-step explanation below helps you understand the underlying mechanisms and reasoning.
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Here are the answers to the questions: Question 3: The characteristics are: (i) Warm blooded, (ii) Have scales, (iii) Breath through lungs. A. Snake: Has scales and breathes through lungs, but is cold-blooded. B. Leopard: Is warm-blooded and breathes through lungs, but has fur, not scales. C. Hen: Is warm-blooded and breathes through lungs. Hens also have scales on their legs. D. Lizard: Has scales and breathes through lungs, but is cold-blooded. Among the given options, a Hen (chicken) is warm-blooded, breathes through lungs, and has scales on its legs. The correct option is C. Question 4: Let's identify the parts of the flower: Q points to the anther*, which holds pollen. R points to the stigma*, which receives pollen. S points to the petal*, the colorful part of the flower. T points to the filament*, which supports the anther. So, the parts are Anther, Stigma, Petal, Filament respectively. The correct option is D. Question 5: Decomposing waste is material that can break down naturally over time, usually with the help of tiny living things like bacteria and fungi. A. E-waste (electronic waste) does not decompose easily. B. Banana peels are organic matter from plants and will decompose naturally. C. Plastic does not decompose easily and stays in the environment for a very long time. D. A metal rod will rust or corrode, but it does not decompose in the same way organic waste does. The correct option is B. Question 6: The tooth drawn is a molar. Molar teeth are found at the back of the mouth and have broad, flat surfaces. Their main job is to grind and crush food into smaller pieces so it can be swallowed easily. A. Chewing and crushing: This is the main function of molar teeth. B. Biting and cutting: This is done by the front teeth (incisors). C. Tearing and holding: This is done by the pointed teeth (canines). D. Showing and smiling: While teeth are visible when smiling, this is not their primary function. The correct option is A. Last free one today — make it count tomorrow, or type /upgrade for unlimited.