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Chapter 32: Q. 19 (page 918)

Discuss the differences between a complete flower and an incomplete flower.

Short Answer

Expert verified

A flower is considered complete when all four whorls are present. Incomplete means that one of the four parts is lacking.

Step by step solution

01

Introduction

Flowers are the reproductive organs in angiosperms. Angiosperms reproduce with the help of flowers. They produce nectar which is an important source of food for pollinating birds and insects. A flower is composed of four whorl components: calyx, corolla, gynoecium and androecium.

02

Explanation

Flowers can be either incomplete flowers or complete flowers. A flower is said to be incomplete when one or more of the whorl components is not present, whereas a complete flower is one where all the whorl components are present in a single flower.

03

Explanation

  • Androgynous or hermaphrodite flowers are those that have both an androecium and a gynoecium. These are complete flowers.
  • Flowers with only an androecium are known as staminate, whereas those with only carpels are known as carpellate. These are incomplete flowers.

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Most popular questions from this chapter

Discuss the life cycles of various plants.

Which of the following is an advantage of asexual reproduction?

a. Cuttings taken from an adult plant show increased resistance to diseases.

b. Grafted plants can more successfully endure drought.

c. When cuttings or buds are taken from an adult plant or plant parts, the resulting plant will grow into an adult faster than a seedling.

d. Asexual reproduction takes advantage of a more diverse gene pool.

The stamen consists of a long stalk called the filament that supports the ________.

a. stigma

b. sepal

c. style

d. anther

Plants that flower once in their lifetime are known as ________.

a. monoecious

b. dioecious

c. polycarpic

d. monocarpic

Why do some seeds undergo a period of dormancy, and how do they break dormancy?
See all solutions

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