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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
Why is cell division necessary?
Explain the Term Cell division
Name the following:
The process by which cell divides into two equal daughter cells.
Name any cell organelle which is non membranous.
______ is seen in unicellular animals.
During meiosis in pachytene, stages the paired chromosomes are called ______.
Explain amitosis.
Nuclear membrane disappears completely in the phase called ______ of karyokinesis.
Give scientific reason.
Cell division is one of the important properties of cells and organisms.
Give scientific reasons.
Cell division is one of the important properties of cells and organisms.
