Question

Write anote on discovery of cell

Answer 1

the cell was discovered in 1665 by Robert Hooke which was nonliving and discovered in cork cell and in 1678 Anton van Leeuwenhoek discovered the living cell under his made microscope

Answer 2

❂Question❂

Q. Write a note on discovery of cell?

☢Answer☢

☞ Robert Hooke in 1665 observed slices of cork under simple magnifying device. cork is part of the bark of a tree.

☞ he took thin slices of cork and observed them under a microscope.

☞ He noticed partitioned boxes or compartments in the cork slice .

☞ these boxes appeared like a honey comb .he also noticed that one box was separated from the other by a ball or Partiton.

☞ Hooke coined the term ‘cell’ for each box. what hooke observed as boxes or cell in the cork were actually dead cell.

☢Additional information❂

• cell of living organisms could be observed only after the discovery of improved microscope.
• Very little was known about the cell for the next 150 year after Robert Hooke observation.
• Bricks in a building and cell in a living organisms, are basic structural unit.
• Organisms made of more than one cell are called multticellular.
• Organisms made of single cell are called unicellular.