Support and transport systems in plants.

Question 1

One of the two groups into which all the flowering plants or angiosperms were formerly divided. The name refers to one of the typical characteristics of the group, namely that the seed has two embryonic leaves or cotyledons.

Answer 1

Dicotyledons

Question 2

The seeds of which typically contain only one embryonic leaf, or cotyledon.

Answer 2

Monocotyledons

Question 3

A thin layer of plant tissue between the endodermis and the phloem.

Answer 3

Pericycle

Question 4

Tissue strengthened by the thickening of cell walls, as in young shoots.

Answer 4

Collenchyma

Question 5

Strengthening tissue in a plant, formed from cells with thickened, typically lignified, walls.

Answer 5

Sclerenchyma

Question 6

The vascular tissue in plants which conducts water and dissolved nutrients upwards from the root and also helps to form the woody element in the stem.

Answer 6

Xylem

Question 7

The vascular tissue in plants which conducts sugars and other metabolic products downwards from the leaves.

Answer 7

Phloem