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The number of chambers in a human heart is
The number of chloroplasts in a cell of Spirogyra is
The number of chromosomes in human body is
The number of chromosomes present in normal human being are
The number of chromosomes present in the somatic cell of the human cell is
The number of eggs normally released during one menstrual cycle is:
The number of pyrenoids in a cell of Spirogyra is
The number pyrenoids in Chlamydomonas is
The only living tissue in plant xylem is
The only molecule in the living world that can replicate itself is