Question
Download Solution PDFRobert brown is known for his discovery of
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFMistake Points
- The question is asking about the discovery made by Robert Brown, So according to the option, the correct answer will be Nucleus (Nucleus of the cell).
- Whereas Ernest Rutherford was the discoverer of Nucleus of Atom.
Concept:
- The term cell was first described by Robert Hooke in the year 1665 in his book called 'Micrographic'.
- A cell is a basic structural & functional unit of life of all existing living organisms.
- A cell consists of different cell organelles like mitochondria, chloroplasts, endoplasmic reticulum, nucleus, etc.
- Every organelle performs a specific function that is required for the proper functioning of the cell.
Explanation:
- Robert Brown, a British Biologist discovered the nucleus in the year 1831.
- This cell organelle was named nucleus according to the Latin word nucleus/ nucleus meaning a seed.
- The study of the nucleus is called Karyology.
- The nucleus is a double membrane-bound dense protoplasmic body, which controls all the cellular metabolism and encloses the genetic information of the cell.
- The nucleus is considered the controller or director of the cell.
Additional Information
- Golgi complex was discovered by Camillo Golgi in the year 1898. He saw a densely stained reticular structure close to the nucleus.
- These were named Golgy bodies after him.
- Mitochondria were first observed by Kolliker as cytoplasmic granules in stripped muscles of insects.
- Chloroplast was discovered by Hugo von Mohl in 1837, it was named by combining Greek words Chloros (Green) & Plastes ( producer)
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