plzz solve Q 2 3 4 5 in the following image
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Ans 2. Mitochondria is the key to the life of the cell.
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4.yes. Cells have the ability of excretion.Cell is the fundamental unit of life. It is capable of independent existence and carry out all the functions like nutrition, respiration, excretion and reproduction which are necessary for an organism. Excretion is a process of eliminating the waste products from the body. The individual cell also excretes their waste and non- useful substances across the cell membrane. For example the cell excretes their waste like CO2 and metabolic wastes etc. directly into their immediate environment i.e. blood, which ultimately gets filtered out through kidney and is excreted out of the body.
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