Question

Smallest cell - ? Largest cell - ? Longest animal cell - ? Longest plant cell - ?

Answer 1

Smallest cell--sperm cell

Longest cell--ostrich egg

Longest animal cell--nerve cell

Longest plant cell--acetabularia..

Answer 2

Explanation:  

Smallest cell: Cells have various shapes. Cells which are very small called the smallest cell. Prion is the smallest known infectious agent. Parvovirus virus is the smallest known virus. But both of them lacks characteristics of being a complete cell. Mycoplasma genitalium is the smallest known bacteria of about 300 m in length.

Largest cell: Cells which are very big called the largest cell. The largest cell is ostrich cell.

Longest animal cell: The longest animal cell is neuron

Longest plant cell: The longest plant cell is a fiber of ramie.