National 5 Biology - All Unit 1

Which of the plant cell components shown in the diagram is made from a structural carbohydrate?

• A

• B

• C

• D

Which labelled part of the cell controls cell activities?

• A

• C

• B

• D

Part X and Y in the potato cell pictured are:

• X = cell wall

  Y = chloroplast

• X = cytoplasm

  Y = ribosome

• X = vacuole

  Y = cytoplasm

• Y = vacuole

  X = cytoplasm

Which part of the cell controls the entry and exit of substances through the cell

• phospholipid

• protein

• cytoplasm

• cell membrane

If placed in a solution with a higher water concentration than its contents, a plant cell and animal cell will

• plant cell = swell

  animal cell = explode

• plant cell = turgid

  animal cell = burst

• plant cell = plasmolysed

  animal cell = burst

• plant cell = turgid

  animal cell = shrink

In which of the diagrams would molecules move into a cell by diffusion

• B

• C

• D

• A

Which of the following are all types of proteins?

• Hormones, enzymes and nitrates

• Antibodies, enzymes and plasmids

• Hormones, receptors and antibodies

• Receptors, antibodies, nitrates

State the term which describes the shape of a DNA molecule as shown in the diagram?

State the name given to the process by which water molecules move from a high water concentration to a low water concentration through a selectively permeable membrane

Which feature of the cell membrane makes it suitable for this experiment?