chapter 1.1 year 9

The photomicrograph shows a plant cell.

What are the parts labelled 1 and 2?

• A

• B

• C

• D

Which pair of statements explain why plant cells are more angular in shape than animal cells?

• A

• B

• C

• D

The diagram shows a typical plant cell after being placed into a concentrated salt solution for ten minutes.

Which numbered structures are partially permeable?

• 1 and 2 only

• 1 and 3 only

• 1 only

• 2 only

When a red stain is added to a culture containing both living and dead cells, only the dead cells take up the stain.

Which structure prevents the stain entering the living cells?

• cell membrane

• cell wall

• cytoplasm

• vacuole

The diagram shows a plant cell as seen under a microscope.

• A

• B

• C

• D

Which feature allows root hair cells to carry out their function?

• absence of nucleus

• large surface area

• presence of chloroplasts

• presence of stomata

Red blood cells have a relatively large surface area. How does this help the red blood cell carry out its function?

• it can absorb oxygen more quickly

• it can carry more oxygen

• it can maintain a concentration gradient

• it can pass through small blood vessels

Which sentence about red blood cells is correct?

• they transport carbon dioxide and contain chlorophyll

• they transport carbon dioxide and contain haemoglobin

• they transport oxygen and contain chlorophyll

• they transport oxygen and contain haemoglobin