Multiple choice

Which of the following type of cell can be seen with the naked eye?

  1. Egg cell of a hen

  2. Cells of an elephant's brain

  3. Neurons of a giant squid

  4. No single cell can be seen with a naked eye

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A hen's egg is a single cell that is clearly visible to the naked eye, measuring several centimeters. While some neurons can be very long (giant squid axons can be meters long), they're microscopic in diameter. Option D is false because large eggs like those of birds are definitely visible.

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