Long Answer Questions. 1. With the help of a neat and well-labelled diagram, differentiate between plant and animal cells. 2. Who proposed the cell theory? What are its postulates? How did Robert Hooke discover cells?
Answers
Q) With the help of a neat and well-labelled diagram, differentiate between plant and animal cells.
plants and animals both are complex organisms.
...
- With the help of a neat labeled diagram differentiate 'Plant Cell' from 'Animal' cell.
- Plant CellAnimal CellMature plant cells have a large central vacuoleNumerous small vacuoles may be present in animal cell
Q.) Who proposed the cell theory? What are its postulates? How did Robert Hooke discover cells?
Hooke discovered a multitude of tiny pores that he named "cells".
This came from the Latin word Cella, meaning 'a small room' like monks lived in and also Cellulae, which meant the six sided cell of a honeycomb. However, Hooke did not know their real structure or function.
Answer:
1.With the help of a neat labeled diagram differentiate 'Plant Cell' from 'Animal' cell. Hint: Plants and animals both are complex organisms. Plants are sessile while animals show locomotion. ... Both plants and animals have semi - autonomous cell organelles, chloroplast in plants, and mitochondria in animals
Explanation:
2.Theodor Schwann
The classical cell theory was proposed by Theodor Schwann in 1839. There are three parts to this theory. The first part states that all organisms are made of cells.
3.While observing cork through his microscope, Hooke saw tiny boxlike cavities, which he illustrated and described as cells. He had discovered plant cells! Hooke's discovery led to the understanding of cells as the smallest units of life—the foundation of cell theory
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