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Questions and Answers
Who discovered the nucleus in the cell?
Who discovered the nucleus in the cell?
- Leeuwenhoek
- Robert Hooke
- Robert Brown (correct)
- Purkinje
What was the significant improvement that led to the discovery of free-living cells in pond water?
What was the significant improvement that led to the discovery of free-living cells in pond water?
- Improvement in the magnifying lens
- Discovery of the cell theory
- Improvement in the microscope (correct)
- Invention of the electron microscope
What is the term coined by Purkinje in 1839?
What is the term coined by Purkinje in 1839?
- Protoplasm (correct)
- Nucleus
- Cell theory
- Cell wall
Who presented the cell theory that all living organisms are composed of cells?
Who presented the cell theory that all living organisms are composed of cells?
What is the term used to describe organisms that consist of a single cell?
What is the term used to describe organisms that consist of a single cell?
How do multi-cellular organisms arise from a single cell?
How do multi-cellular organisms arise from a single cell?
What is the purpose of using iodine solution or other staining solutions on cells?
What is the purpose of using iodine solution or other staining solutions on cells?
What is the function of the pores in the nuclear membrane?
What is the function of the pores in the nuclear membrane?
What is the shape of the cells observed from the cheek?
What is the shape of the cells observed from the cheek?
What is the purpose of using a cover-slip in microscopy?
What is the purpose of using a cover-slip in microscopy?
What is the name of the structure found near the centre of each cell?
What is the name of the structure found near the centre of each cell?
What tool is used to transfer the material from the cheek to the glass slide?
What tool is used to transfer the material from the cheek to the glass slide?
What is the origin of the substance Robert Hooke observed under his self-designed microscope?
What is the origin of the substance Robert Hooke observed under his self-designed microscope?
What is the Latin word for 'a little room' that is used to describe the units observed by Robert Hooke?
What is the Latin word for 'a little room' that is used to describe the units observed by Robert Hooke?
What is the purpose of placing the onion peel in a watch-glass containing water?
What is the purpose of placing the onion peel in a watch-glass containing water?
What instrument did Robert Hooke use to observe the structure of the cork?
What instrument did Robert Hooke use to observe the structure of the cork?
In what year did Robert Hooke make the observation that living things appear to consist of separate units?
In what year did Robert Hooke make the observation that living things appear to consist of separate units?
What is the purpose of putting a drop of water on the glass slide?
What is the purpose of putting a drop of water on the glass slide?
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