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प्रश्न
Living cells were discovered by
पर्याय
Robert Hooke
Purkinje
Leeuwenhoek
Robert Brown
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उत्तर
Leeuwenhoek
Explanation -
Cells were first discovered by Robert Hooke in 1665. He observed the cells in a cork slice (dead cells) with the help of a primitive microscope. Leeuwenhoek (1674), with the improved microscope, discovered the free-living cells in pond water for the first time. Robert Brown (in 1831) discovered the nucleus in the cell. Purkinje (in 1839) coined
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संबंधित प्रश्न
Mention whether the following statement is (T) Or (F). Give reason in support of your answer.
As you grow from childhood to adulthood, your skin cells divide only to replace such cells that are lost from the surface.
What is the direct cell division? Explain with an example.
Name the following:
The type of cell division present in unicellular organisms.
Name the Following
Result of uncontrolled cell division.
Prokaryotic cells divide through mitosis or meiosis.
State the characteristics of step of cell division shown in figure.
Mitosis was discovered by ______.
Spindle formation occurs in amitosis.
Haploid number of chromosomes are found in ______.
Name these:
Four main phases of Karyokinesis
