Q. 18 Describe the four main parts, or... [FREE SOLUTION] (2024)

Chapter 32: Q. 18 (page 889)

Describe the four main parts, or whorls, of a flower.

Short Answer

Expert verified

In general, a flower has four whorl components, namely the calyx, corolla, gynoecium and androecium.

Step by step solution

01

Introduction

Flower is the reproductive organ of an angiosperm. Angiosperms reproduce sexually with the help of flowers. Flowers also help in attracting pollinators for pollination by producing nectar as a reward for the pollinators. A flower in general has four whorl components: calyx, corolla, gynoecium and androecium.

Q. 18 Describe the four main parts, or... [FREE SOLUTION] (1)

02

Explanation

The calyx and corolla are the non-reproductive parts of the flower. They are called the accessory parts of the flower, that performs different functions.

  • The flower's outer whorl is called the calyx. It is made up of sepals, which are tiny leaves located at the base of flowers. Calyx provides protection to the flower while it is in bud stage and they perform photosynthesis as well.
  • The second whorl of the flower is called corolla, that is made up of petals. Petals are vividly coloured and scented to attract pollinators.

03

Explanation

The gynoecium(carpel) and androecium(stamen) are reproductive parts of the flowers that is involved in the reproduction process.

  • The carpel is the flower's fourth whorl, and it is found in the centre. The carpels house the pistil, the female reproductive component of the flower. It includes the ovary, style, and stigma. The egg, or ovule, is found in the ovary. After fertilisation the ovary becomes the fruit and the ovules become the seed, which are guarded and enclosed by the fruit. The stigma is supported at the tip of the ovary by a vertical structure called the style. Pollen that has been dispersed, sticks to the stigma and travels down the style to the ovary.
  • The male reproductive part of the flower is the stamen, and makes up the third whorl of the flower. It consists of an anther and a slender stalk supporting the anther, called filament. Pollen grains, which contain the male gametes are produced and stored in the anther.

Q. 18 Describe the four main parts, or... [FREE SOLUTION] (2)

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Q. 18 Describe the four main parts, or... [FREE SOLUTION] (2024)

FAQs

What are the different parts of the plant? ›

Plants typically have six basic parts: roots, stems, leaves, flowers, fruits, and seeds. Draw a diagram of your plants and label each part.

What is a group of related parts that work together? ›

Answer and Explanation:

A system is an organized group of related parts that interact to form a whole.

What term refers to a combination of related parts that interact in an organized manner? ›

A system is a relationship of parts that work together in an organized manner to accomplish a common purpose.

What is a group of different parts that interact to form a whole? ›

A system is a group of interacting or interrelated elements that act according to a set of rules to form a unified whole.

What are the different parts of the plant cell? ›

Each plant cell will have a cell wall, cell membrane, a nucleus, smooth and rough endoplasmic reticulum, Golgi apparatus, ribosomes, plastids, mitochondria, vacuoles, and various vesicles like peroxisomes.

What is a group of parts that work together called? ›

A system is a group of parts that work together to perform a specific task.

What is a group of parts that work together or interacts with each other? ›

A system is defined as a group of interacting, interrelated, or interdependent parts that work together to form a complex whole.

Is a system a group of parts that work together? ›

A system is a collection of interconnected components that work together to achieve a common goal. The components of a system can be physical or virtual, and they can be connected in a variety of ways, including mechanical, electrical, or digital.

What is a group of interacting interrelated or interdependent parts that function together as a whole to accomplish a goal? ›

A system is a group of interacting, interrelated and interdependent components that form a complex and unified whole.

What is a system: group of answer choices, collection of pieces, group of items interacting, group of items forming a unified whole? ›

In the most basic sense, a system is any group of interacting, interrelated, or interdependent parts that form a com- plex and unified whole that has a specific purpose. The key thing to remember is that all the parts are inter- related and interdependent in some way.

Is an organized group of related objects or components that interact to create a whole? ›

' A system is an organized group of related objects or components that form a whole. Systems can consist, for example, of organisms, machines, fundamental particles, galaxies, ideas, and numbers.

What is a group of related things that work together as a whole? ›

A system is a group of related things that work together as a whole.

What means a group of interacting interrelated or combination of objects forming a complex whole? ›

A system is often defined as a group of interacting, interrelated, or interdependent components that form a complex and unified whole.

What do we call a group of things that are all connected together? ›

Concatenation refers to a series of things — ideas, events, animals — that are somehow interconnected, individual parts that are linked to form a single unit, like the links in a chain.

What are 6 parts of a plant and their functions? ›

The different parts of a plant include roots, stems, leaves, flowers, seeds, and fruits. Roots have the function of absorbing water and minerals from the soil whereas the primary functions of stems are supporting, transporting, storing, and reproducing.

What are the parts of a plant question answer? ›

a) A plant has two main parts: the shoot and the root. b) The shoot grows above the soil and includes the stem, branches, leaves, buds, flowers, and fruits. These different parts of the plant work together to help it survive and grow. c) The part of the plant that grows below the ground is called the root.

What are the organs of plants and their functions? ›

The three organs of vascular plants, roots, stems and leaves, reflect the basic biology of terrestrial autotrophs: leaves acquire sunlight and carry out photosynthesis to 'feed' the organism, roots explore the soil and acquire the water and nutrients that is required for photosynthesis and growth, and stems connect the ...

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