Seed Germination Quiz Review

What is germination?

• The process of photosynthesis

• The process of a seed becoming dormant

• The process by which the seed embryo begins growth

• The act of planting a seed

When is a seed considered to have germinated?

• When leaves are visible

• When the radicle emerges from the seed coat

• When the cotyledon absorbs water

• When the endosperm is used up

What part of the seed stores food for the embryo?

• Seed coat

• Cotyledon

• Hilum

• Micropyle

Which part of the seed develops into the root?

• Plumule

• Hypocotyl

• Radicle

• Epicotyl

Which part of the seed protects it from drying and physical injury?

• Endosperm

• Cotyledon

• Embryo

• Seed coat

Which enzyme breaks down starch into sugars during germination?

• Lipase

• Amylase

• Protease

• Cellulase

What stimulates enzymatic activity during germination?

• Water

• Oxygen

• Gibberellins

• Phytochrome

Where does most water enter the seed during imbibition?

• Hilum

• Seed coat

• Plumule

• Micropyle

Which part of the embryo develops into the shoot system?

• Radicle

• Suspensor

• Plumule

• Endosperm

What is the optimal temperature range for seed germination for most plants?

• 40–60°F

• 32–50°F

• 65–80°F

• 90–105°F