Plant 101: Plant parts & uses

Cherry radish has:

• Fibrous roots

• Tap roots

Which of the following is the key function of the petiole (leaf stalk)?

• Open the blade to receive more light

• Absorb light for photosynthesis

• Rotate the leaf to face the light source

• Absorb minerals from soil

Which of the following description about the structures in a stem is correct?

• Xylem provides mechanical support as it has lignin.

• Xylem transports water.

• Phloem transports food.

• Cortex and pith cannot provide support.

Which of the following about meristem is NOT correct?

• Apical meristem increases the length of plants.

• Lateral meristem causes the thickening of plants.

• Apical meristem is at the vascular cambium of the stem.

• Lateral meristem causes the primary growth of plants.

Which of the following structure produces secondary xylem and makes the plants become woody?

• Vascular cambium

• Xylem

• Phloem

• Pith