Cell Biology Multiple Choice Questions Set 3

Which cell is specialised to transport oxygen around the circulatory system?

• white blood cell

• platelet

• red blood cell

• none of the above

Where does photosynthesis occur?

• cytoplasm

• mitochondria

• chloroplasts

• none of the above

What are undifferentiated cells called?

• guard cells

• blastocysts

• specialised cells

• stem cells

Why are leaves typically broad and flat in shape?

• to reduce the surface area

• to increase the surface area

• to shelter the plant from rain

• to prevent the plant from getting damaged when it is windy

What does ‘partially-permeable’ mean, about a cell membrane?

• the cell membrane is not always there

• the cell membrane only lets molecules pass through at certain times

• only some molecules can pass through

• all types of molecules can pass through

How does carbon dioxide move from the blood into the lungs?

• active transport

• osmosis

• through stomata

• diffusion

When investigating osmosis with potatoes, the change in mass is measured. What type of variable is this?

• independent

• dependent

• control

• none of the above

What is a plasmid?

• jelly-like fluid in the cell

• yellow fluid in the blood

• small circular DNA

• something which causes a disease in a bacterial cell

What is 12mm in nanometres?

• 0.12nm

• 1.2 × 10^3nm

• 1.2 × 10^5nm

• 1.2 × 10^7nm

Which of the following pieces of equipment is not required to prepare a specimen on a microscope slide for viewing?

• coverslip

• pipette

• eye piece graticule

• microscope slide