Botany: Understanding Seeds and Fruits

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What is the difference between a fruit and a seed?

Fruit is the enlarged ripened ovary enclosing the seeds, while seed is the ripened ovule containing an embryo.

What is the role of the embryo in a seed?

The embryo in a seed develops into a new plant, consisting of a radicle (future root), plumule (future shoot), and cotyledons (future leaves).

What is the function of endosperm in a seed?

Endosperm in a seed provides food material for the nourishment of the embryo during germination.

How can a seed withstand unfavorable conditions?

A seed can withstand unfavorable conditions of temperature, drought, etc., due to its protective seed coat. Signup and view all the answers

Describe the structure of a seed.

A seed contains a tiny living plant embryo with a radicle, plumule, and cotyledons. It may also have endosperm for nourishment. Signup and view all the answers

What is the main function of the seed coat?

Protects the delicate inner parts of the seed from injury and from the attack of bacteria, fungi, and insects. Signup and view all the answers

Where is the micropile located on a bean seed?

Close to the hilum, which is a distinct whitish oval scar on the concave side of the seed. Signup and view all the answers

What is the function of the cotyledons in a bean seed?

Contain food for the embryo and protect it. Signup and view all the answers

What are the two parts of the embryo in a bean seed?

The radical (which forms the root) and the plumule (which forms the shoot). Signup and view all the answers

What is the main function of the plumule in a bean seed?

Forms the shoot and contains a growing point between two tiny leaves. Signup and view all the answers

What is the main function of the fruit in relation to the seed?

Helps in seed dispersal (C) Signup and view all the answers

Which part of a seed develops into the future shoot?

Plumule (A) Signup and view all the answers

In what state is the embryo found before it is exposed to favorable conditions?

Dormant (A) Signup and view all the answers

Which part of a seed provides nourishment to the embryo during germination?

Endosperm (D) Signup and view all the answers

What is the primary role of the seed coat in a seed?

Protects the embryo from mechanical damage (D) Signup and view all the answers

In a bean seed, what is the main function of the testa?

Protect the inner parts from injury and pathogens (D) Signup and view all the answers

Which characteristic distinguishes albuminous seeds from exalbuminous seeds?

Endosperm persists in albuminous seeds (A) Signup and view all the answers

Where is the hilum located in a bean seed?

On the concave side of the seed (A) Signup and view all the answers

What is the function of the tegmen in a bean seed?

Protect the delicate inner parts of the seed (A) Signup and view all the answers

Among monocotyledonous seeds, which plant belongs to the exalbuminous category?

Orchids (A) Signup and view all the answers