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BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition
STARR
ISBN: 9781305967359

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BuyFindarrow_forward

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition
STARR
ISBN: 9781305967359
Textbook Problem

The three main parts of a typical mature eudicot seed are the _______ .

a. pollen grain, egg, and seed coat
b. embryo, endosperm, and seed coat
c. megaspores, microspores, and ovule
d. embryo, cotyledons, and seed coat

Summary Introduction

Introduction:

Plants are divided into monocots and dicots based on several features like number of cotyledons, the pattern of leaves, life cycle, and so on. The dicots usually include the grams and cereals while the monocots include grasses and agricultural crops.

Explanation

Reason for correct answer:

Option d. is given as “embryo, cotyledons, and seed coat.”

The embryo sporophyte after fertilization turns into cotyledons that cover the seed and provide nutrition as it is fleshy in nature because it stores food for the embryo. The monocots have one cotyledon while the dicots have two cotyledons.

Reason for incorrect answer:

Option a. is given as, “pollen grain, egg, and seed coat.”

The pollen grains are the male gametes, while the egg is the female gamete. Seed coat is formed after fertilization...

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