Who developed a microscope by using two lenses for achieving greater magnification?
Robert Hooke
Antony Leeuwenhoek
Schwann
Louis Pasteur
Who announced that every plant is made up of a large number of cells ?
Matthia Schleiden
Theoder Schwann
Rudolf Vischow
Which is the smallest cell in the human body ?
Nervecell
Bone cell
Cartilage cell
Sperm cell
A light microscope can magnify about _________ .
1500 times
1700 times
2000 times
4000 times
Which one of the following is a characteristic of a plant cell?
They have a large vacuole and a cellular wall .
Absence of starch grains
Absence of cell wall
They are irregular in shape.
_______ is a complex solution .
Cytoplasm
Nucleoplasm
Vacoule
None of these
