Rhs Plant Classification

Front 1

Define gymnosperms

Back 1

Means naked seed

This sub division contains mainly conifers.

Most are evergreen.

Considered softwoods.

Most lack vessels in their xylem.

Front 2

Name one monocotyledon plant

Back 2

Lilium candidum

Front 3

Name one dicotyledon plant

Back 3

Quercus robur

Front 4

State a difference between monocot and dicot stems

Back 4

Monocot stems are unbranched

Dicot stems are branched

Monocot stems r always herbaceous

Dicot stems can b woody or herbaceous.

Monocots vascular bundles are scattered.

Arranged in a ring in dicots.

Front 5

State the differences between monocot and dicot roots

Back 5

Monocots have a fibrous/adventitious root system

Dicots have either a tap or primary root system or a fibrous/adventitious root system.

Absence of vascular cambium and secondary thickening in Monocots

Present in dicots

Front 6

State the differences between monocot and dicot flowers

Back 6

Monocots have tepals

Dicots have petals and sepals

Flower parts are in multiples of 3 in Monocots.

Multiples of 4 or 5 in dicots.

Front 7

State the differences between monocot and dicot leaves

Back 7

Monocot leaves are linear or strap-like.

Dicots have broadleaves in a variety of shapes.

Monocots have parallel venation

Dicots have branching veins in various patterns.

Monocots have no petiole

Front 8

State what Angiosperm means

Back 8

Seeds surrounded by an ovary which swells to form a fruit.

Front 9

Most gymnosperms lack vessels in their xylem. What structure do they have instead?

Back 9

Tracheids

Front 10

Explain the process of lignification

Back 10

Lignification causes cell walls to thicken

Due to addition of more cellulose

And introduction of lignin-a hardening substance.