MCQ on Respiration in Organisms

MCQ on Respiration in Organisms 1. All organisms are made of small microscopic units called (A) Cells (B) Tissues (C) Atom (D) None of the above    2. A cell is the smallest structural and functional unit of a/an …………………. (A) Organism (B) Tissue (C) Stomata (D) None of the above   3. Which of […]

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