CELL STRUCTURE REVIEW MCQ

A specimen of plant tissue is observed twice with a microscope, firstly using red light with a wavelength of 650 nm and then using green light with a wavelength of 510 nm. What happens to the magnification and resolution when using green light compared to red light?

• A

• B

• C

• D

The electron micrograph shows a structure found in the cytoplasm of an animal cell. What is this cell structure?

• CENTRIOLE

• LYSOSOME

• ROBOSOME

• FLAGELLUM

The diagram shows a stage micrometer scale viewed through an eyepiece containing a graticule.

The small divisions of the stage micrometer scale are 0.1 mm, .

The stage micrometer scale is replaced by a slide of a plant cell.

What is the actual length of the nucleus in the plant cell?

• 8 micrometres

• 25 micrometres

• 200 micrometres

• 0.8 millimetres

Insulin is a hormone synthesised from two polypeptide chains inside cells of the pancreas.

Which row shows the cell structures that are used in producing insulin and releasing it from the

cells?

• A

• B

• C

• D

Which cell structures can form vesicles?

• A

• B

• C

• D

Which cell structures contain RNA?

• 1, 2, 3 and 4

• 1 and 2 only

• 2, 3 and 4 only

• 3 and 4 only

The diameter of a red blood cell in a diagram was measured as 2.5 cm.

The actual diameter of the red blood cell was 7 µm.

Which calculation would give the correct magnification for the red blood cell in the diagram?

• A

• B

• C

• D

What determines the order in which these cell structures are listed?

• sequence used in synthesis of a lipid

• sequence used in synthesis of an antibody

• size from largest to smallest

• size from smallest to largest

Which row matches each organelle with its function?

• A

• B

• C

• D

Density gradient centrifuges are used to separate cell structures by their relative density. Larger

cell structures have greater density and sink further down the centrifuge tube.

What is the correct order of the cell structures, starting from the top of the centrifuge tube?

• A

• B

• C

• D