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Question

All living cells are of the same shape and size. 



A
Microscope
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B
False
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Solution

The correct option is A False
Cells show great diversity in their shapes and sizes. The size and shape of a cell are related to its function. Some multicellu­lar organisms may have smaller sized cells as compared to many unicellular organisms. Some single cells like the eggs of birds and reptiles are quite large. A nerve cell may attain a length of several meters while red blood cells are only 5-8µm in diameter. Also, within an organism, the cells rarely remain in the spherical form. They are either flat­tened (epithelial cells), spindle-shaped (muscle cells), spider-shaped (nerve cell), etc.  

Biology

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