WorksheetsChapter 3 Quiz 1
Total questions: 10
Worksheet time: 5mins
According to the cell theory, all organisms are made up of more than one cell.
True
False
According to the cell theory, cells arise from pre-existing cells.
True
False
All images produced by an electron microscope are coloured.
True
False
Which of the following statements about the nosepiece of a light microscope is correct?
It reflects light to the specimen.
It raises or lowers the body tube for rough focusing.
It is the magnifying lens closest to the specimen.
It carries the objectives and can be rotated.
Which of the following statements about the iris diaphragm of a light microscope is correct?
It reflects light to the specimen.
It concentrates light reflected from the mirror onto the specimen.
It controls the amount of light passing through the condenser.
It carries the objectives and can be rotated.
Which of the following statements about the condenser of a light microscope is correct?
It reflects light to the specimen.
It concentrates light reflected from the mirror onto the specimen.
It is the magnifying lens closest to the specimen.
It carries the objectives and can be rotated.
Which of the following statements about the stage-clip of a light microscope is correct?
It raises or lowers the body tube for rough focusing.
It concentrates light reflected from the mirror onto the specimen.
It holds the slide in position on the stage.
It carries the objectives and can be rotated.
Which of the following statements about the mirror of a light microscope is correct?
It reflects light to the specimen.
It raises or lowers the body tube for rough focusing.
It controls the amount of light passing through the condenser.
It is the magnifying lens closest to the specimen.
Which of the following statements about the coarse adjustment knob of a light microscope is correct?
It controls the amount of light passing through the condenser.
It concentrates light reflected from the mirror onto the specimen.
It raises or lowers the body tube for rough focusing.
It carries the objectives and can be rotated.
Which of the following statements about the objective of a light microscope is correct?
It controls the amount of light passing through the condenser.
It concentrates light reflected from the mirror onto the specimen.
It is the magnifying lens closest to the specimen.
It reflects light to the specimen.
