N5 Biology 1.1 Cell Structure and Function

The function of structure X is to

• control cell activities

• keep the cell turgid

• control entry and exit of material

• release energy from glucose

The diagrams below show four cells. Which cell is most likely a cell from a leaf?

• 
• 
• 
• 

Answer explanation

This is a plant cell because it has a cell wall and vacuole.

This is most likely to be a leaf cell because leaves are where photosynthesis occurs and it contains chloroplasts.

Cell B is likely a plant root cell where photosynthesis does not occur.

If the eyepiece lens magnifies 10 times, what objective lens will give X400 magnification?

• x0.4

• x4

• x40

• x400

Which part of a plant cell contains chlorophyll?

• nucleus

• cell membrane

• cytoplasm

• chloroplasts

What is the average length of the cells in the diagram opposite?

• 12 micrometers

• 120 micrometers

• 55 micrometers

• 1.2 micrometers

The cell organelle shown below is magnified ten thousand times. What is the actual size of the organelle?

• 0.04 μm

• 0.4 μm

• 4μm

• 40μm

Which of the following cell types has a cell wall made from cellulose

• Bacteria

• Yeast

• Animal

• Plant

Which of the following cell types contains a plasmid

• Bacteria

• Yeast

• Animal

• Plant

The diagram below shows parts of an animal cell.

• A

• B

• C

• D

Which of the following cell types has no nucleus?

• Bacteria

• Yeast

• Animal

• Plant