Unit 9 - Plant Physiology

Question 1

What are the features of a seed?

Answer 1

Cotyledon - the main food store and forms embryonic leaves

Radicle - the embryonic root

Testa - the outer coat that protects the seed

Micropyle - a small pore in the outer covering of the seed that allows water to move in.

Epicotyl/Plumule - the embryonic shoot

Question 2

What are the factors required for germination in any plant?

Answer 2

Oxygen - for AEROBIC respiration

Water - required for gibberelin producting via metabolic activation

Temperature - required for specific enzymatic conditions

pH - required for enzymatic conditions