The basic structural and functional unit of life is:, a) Tissue, b) Organ, c) Cell, d) Organ system, Which of the following is present only in plant cells?, a) Mitochondria, b) Chloroplast, c) Nucleus, d) Cytoplasm, The organelle known as the powerhouse of the cell is-, a) Nucleus, b) Mitochondria, c) Vacuole, d) Ribosome, The fluid medium inside the cell is called:, a) Cytoplasm, b) Cell wall, c) Vacuole, d) Membrane, Plant cells differ from animal cells because they have:, a) Cell wall and chloroplast, b) Nucleus and mitochondria, c) Cytoplasm and vacuole, d) Ribosomes only.

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