Structure of plants

Question 1

Name the two types of vascular tissue.

Answer 1

Xylem and phloem

Question 2

Name the functions of roots

Answer 2

Anchor
Absorbs water
Absorbs minerals
Transports absorbed materials to shoot
Stores food

Question 4

Based on viewing a transverse section of a dicot stem, explain the importance of the section being thin.

Answer 4

So that light can pass through

Question 5

What is the meristem

Answer 5

An area of active cell division- mitosis

Question 6

Give two locations in plants where meristematic tissue. May be found

Answer 6

Root tip and lateral bud

Question 7

What is meant by a dicot plant

Answer 7

Two cotelydons two seed leaf

Question 8

Name a dicot plant

Answer 8

Buttercup

Question 9

Describe briefly how you prepared a microscopic slide of a transverse section of the stem of a dicot plant.

Answer 9

Cut a wedge out of carrot lengthways to support stem when cutting
Cut a section of geranium stem and cut thin slices of ts of stem using backed blade
Cut away from yourself on board
Using paintbrush transfer sections of stem to a dish of water
Using paintbrush transfer 1 section of stem to a glass slide, add drop of water and a cover slip.

Question 10

What is meant by turner pressure.

Answer 10

Is force of cell membrane pushing against cell wall.

Question 11

How do plant cells remain turgid for a considerable period of time.

Answer 11

By taking in as much water as they lose.

Question 12

Name the structures found in stems, equivalent to stomata in leaves which are involved in gaseous exchange in plants

Answer 12

Lenticels

Question 13

Suggest a way in which turgor is of value to plants

Answer 13

Support