Understanding Seeds and Their Structure

What is the primary function of a seed coat?

• To protect the embryonic plant

• To attract pollinators

• To facilitate seed dispersal

• To provide nutrients to the seed

What is the scar on a seed where it was attached to the funicle called?

• Strophiole

• Micropyle

• Aril

• Hilum

Which of the following seeds is known for its large size?

• Orchid seed

• Mustard seed

• Double coconut seed

• Bean seed

How are seeds classified based on the number of cotyledons?

• Endospermic and non-endospermic

• Monocotyledonous and dicotyledonous

• Albuminous and exalbuminous

• Large and small

What type of seeds are generally albuminous?

• Dicotyledonous seeds

• Monocotyledonous seeds

• All seeds

• Exalbuminous seeds

What is the outer layer of a bean seed coat called?

• Tegmen

• Endosperm

• Hilum

• Testa

In a bean seed, what is the function of the raphe?

• To facilitate germination

• To protect the embryo

• To store food

• To transport nutrients to the embryo

What part of the embryonal axis develops into the root?

• Epicotyl

• Cotyledon

• Radicle

• Plumule

Which part of the embryonal axis is located between the radicle and the point of attachment?

• Cotyledon

• Plumule

• Hypocotyl

• Epicotyl

During germination, what does the plumule develop into?

• Seed coat

• Leaf

• Shoot

• Root