Chapter 3 Quiz 1

According to the cell theory, all organisms are made up of more than one cell.

• True

• False

Tags

NGSS.MS-LS1-1

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.