NCERT Class 7 Science Reproduction in Plants

Read and download NCERT Class 7 Science Reproduction in Plants in NCERT book for Class 7 Science. You can download latest NCERT eBooks chapter wise in PDF format free from Studiestoday.com. This Science textbook for Class 7 is designed by NCERT and is very useful for students. Please also refer to the NCERT solutions for Class 7 Science to understand the answers of the exercise questions given at the end of this chapter

NCERT Book for Class 7 Science Chapter 12 Reproduction in Plants

Class 7 Science students should refer to the following NCERT Book Chapter 12 Reproduction in Plants in Class 7. This NCERT Book for Class 7 Science will be very useful for exams and help you to score good marks

Chapter 12 Reproduction in Plants NCERT Book Class 7

 

12 Reproduction in Plants

To produce its kind is a characteristic of all living organisms. You have already learnt this in Class VI. The production of new individuals from their parents is known as reproduction. But, how do plants reproduce? There are different modes of reproduction in plants which we shall learn in this chapter.

12.1 MODES OF REPRODUCTION

In Class VI you learnt about different parts of a flowering plant. Try to list the various parts of a plant and write the functions of each. Most plants have roots, stems and leaves. These are called the vegetative parts of a plant. After a certain period of growth, most plants bear flowers. You may have seen the mango trees flowering in spring. It is these flowers that give rise to juicy mango fruit we enjoy in summer. We eat the fruits and usually discard the seeds. Seeds germinate and form new plants. So, what is the function of flowers in plants? The flowers perform the function of reproduction in plants. Flowers are the reproductive parts of a plant. A flower may have either the male part or the female part or both male and female parts.

There are several ways by which plants produce their offspring. These are categorised into two types: (i) asexual, and (ii) sexual reproduction. In asexual  reproduction plants can give rise to newplants without seeds, whereas in sexual reproduction, new plants are obtained from seeds.

Asexual reproduction

In asexual reproduction new plants are obtained without production of seeds or spores.

Vegetative propagation

It is a type of asexual reproduction in which new plants are produced from roots, stems, leaves and buds. Since reproduction is through the vegetative parts of the plant, it is known as vegetative propagation.

Exercises

1. Fill in the blanks:

(a) Production of new individuals from the vegetative part of parent is called_____________.

(b) A flower may have either male or female reproductive parts. Such a flower is called_____________.

(c) The transfer of pollen grains from the anther to the stigma of the same or of another flower of the same kind is known as ________.

(d) The fusion of male and female gametes is termed as __________.

(e) Seed dispersal takes place by means of ______ and _____________.

2. Describe the different methods of asexual reproduction. Give examples.

3. Explain what you understand by sexual reproduction.

4. State the main difference between asexual and sexual reproduction.

5. Sketch the reproductive parts of a flower.

6. Explain the difference between self-pollination and cross-pollination.

7. How does the process of fertilisation take place in flowers?

8. Describe the various ways by which seeds are dispersed.

9. Tick ( ) the correct answer:

(a) The reproductive part of a plant is the

(i) leaf     (ii) stem     (iii) root     (iv) flower

(b) The process of fusion of the male and the female gametes is called

(i) fertilisation        (ii) pollination

(iii) reproduction    (iv) seed formation


Please refer to attached file for NCERT Class 7 Science Reproduction in Plants

Chapter 01 Nutrition in Plants
NCERT Class 7 Science Nutrition in Plants
Chapter 02 Nutrition in Animals
NCERT Class 7 Science Nutrition in Animals
Chapter 03 Fibre to Fabric
NCERT Class 7 Science Fibre to Fabric
Chapter 05 Acids, Bases and Salts
NCERT Class 7 Science Acids Bases and Salts
Chapter 06 Physical and Chemical Changes
NCERT Class 7 Science Physical and Chemical Changes
Chapter 07 Weather, Climate and Adaptations of Animals to Climate
NCERT Class 7 Science Weather Climate and Adaptation
Chapter 08 Winds, Storms and Cyclones
NCERT Class 7 Science Winds Storms and Cyclones
Chapter 10 Respiration in Organisms
NCERT Class 7 Science Respiration in Organisms
Chapter 11 Transportation in Animals
NCERT Class 7 Science Transportation in Animals
Chapter 12 Reproduction in Plants
NCERT Class 7 Science Reproduction in Plants
Chapter 13 Motion and Time
NCERT Class 7 Science Motion and Time
Chapter 14 Electric Current and its Effects
NCERT Class 7 Science Electric Current and its Effects
Chapter 16 Water: A Precious Resource
NCERT Class 7 Science Water A Precious Resource
Chapter 17 Forests: Our Lifeline
NCERT Class 7 Science Forests Our Lifeline
Chapter 18 Wastewater Story
NCERT Class 7 Science Wastewater Story

NCERT Book Class 7 Science Chapter 12 Reproduction in Plants

The above NCERT Books for Class 7 Science Chapter 12 Reproduction in Plants have been published by NCERT for latest academic session. The textbook by NCERT for Chapter 12 Reproduction in Plants Science Class 7 is being used by various schools and almost all education boards in India. Teachers have always recommended students to refer to Chapter 12 Reproduction in Plants NCERT etextbooks as the exams for Class 7 Science are always asked as per the syllabus defined in these ebooks. These Class 7 Chapter 12 Reproduction in Plants book for Science also includes collection of question. Along with Science Class 7 NCERT Book in Pdf for Chapter 12 Reproduction in Plants we have provided all NCERT Books in English Medium for Class 7 which will be really helpful for students who have opted for english language as a medium. Class 7 students will need their books in English so we have provided them here for all subjects in Class 7.

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