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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332

Solutions

Chapter
Section
BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
Chapter 22, Problem 10SQ
Textbook Problem
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A seed is a(n) ___ .

  1. a. female gametophyte
  2. b. mature ovule
  3. c. mature pollen tube
  4. d. immature microspore

Summary Introduction

Introduction: A seed is the undeveloped miniature plant that is the embryo surrounded by a coat. They are formed from ovules after fertilization. Ovules are enclosed in ovary in angiosperms and are naked in gymnosperms. Seeds include food reserves and a protective tough coating for the protection of embryo in the seed.

Explanation of Solution

Reason for the correct statement:

Ovule is a part of the female reproductive system in plants. They are contained in ovaries. After fertilization, ovule develops to form a seed that contains nucellus, protective coat, and plant embryo (female gametophyte). Thus, seed is known as a mature ovule.

Option b. is given as “mature ovule”.

Hence, option b. is correct.

Reasons for the incorrect statement:

Option a...

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