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प्रश्न
Living cells were discovered by
विकल्प
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
Fill in the blank:
The energy for cell division is stored as ______.
Differentiate between Cytokinesis and Karyokinesis.
Name the Following
Result of uncontrolled cell division.
Name the organelles which show the analogy written as under
Control room of the cell——
The disappearance of spindle fibers is seen in ______.
Genetic variations occur in meiosis because of ______.
Explain amitosis.
Give scientific reasons.
Cell division is one of the important properties of cells and organisms.
Haploid number of chromosomes are found in ______.
Name these:
Four main phases of Karyokinesis
