NCERT Solutions for Class 8 Science Chapter 10- Reaching the age of adolescence

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NCERT Solutions Class 8 Science Chapter 10 - Reaching the Age of Adolescence-Growing up is a natural phenomenon. There comes a period in your life when you are neither a child nor an adult. In this period, a lot of bodily changes occur in your body that makes you capable of reproduction i.e. you become able to produce offspring. NCERT Science Class 8 Chapter 10 Reaching the age of adolescence mainly deals with this phase of life called adolescence.Once you have studied the chapter thoroughly, you can solve the exercise of NCERT textbook and write appropriate NCERT solutions for class 8 science chapter 10 Reaching the age of adolescence.

Adolescence is that period of life, when the body undergoes changes, leading to reproductive maturity. This phase starts when you are 13 and ends when you are 19.

Some of the specific changes that are seen during this period are given below

Role of hormones in the initiation of reproductive maturity

Hormones are chemical substances produced by the endocrine glands. Hormones produced by ovary and testes are responsible for the initiation of reproductive maturity. In NCERT Science Class 8 Ch 10,  you will get to learn about how hormones cause changes during adolescence also.

What determines the sex of a baby?

The instructions regarding the sex of a baby are preserved in the fertilized egg. These instructions are contained in thread-like structures called chromosomes. The names of chromosomes responsible for sex determination are called X and Y chromosomes. Different combinations of these two chromosomes in zygote results into either male or female child. Further, the role of these chromosomes and how they affect sex determination is described in NCERT Science Class 8 Ch 10.

NCERT grade 8 science Chapter 10 Reaching the age of adolescence- Topics

Class 8 Science Ch 10 reaching the age of adolescence is composed of different topics and subtopics. You can have a look on these topics which are mentioned hereunder:

10.2 Changes and puberty

10.3 Secondary sexual characters

10.4 Role of hormones in initiating the reproductive function

10.5 Reproductive phase of the life of a human

10.6 How is the sex of the baby determined

10.7 Hormones other than sex hormones

10.8 Role of Hormones in Completing the Life History of Insects and Frogs

NCERT class 8 science Chapter 10 Reaching the age of adolescence- Preparation tips

For the preparation of this chapter, NCERT solution for science class 8 chapter 10 reaching the age of adolescence can be used. Once you have gone through the chapter, you can try solving NCERT questions of class 8 Chapter 10 Reaching the age of adolescence. For more practice, you can also refer to NCERT class 8 science Chapter 10 worksheets. For a better understanding of concepts, prepare NCERT class 8 science chapter 10 notes and revise them thoroughly.

NCERT solutions for class 8 science Chapter 10 Reaching the age of adolescence

The Questions and NCERT Solutions for class 8 Science Chapter 10 Reaching the age of adolescence have been provided below:

NCERT Solutions For Class 8 Science- Chapter-wise

 Chapter -1 Crop Production And Management Chapter -2 Microorganisms: Friends and Foe Chapter-3 Synthetic Fibres and Plastics Chapter-4 Materials: Metals and Non-Metals Chapter-5 Coal and Petroleum Chapter-6 Combustion and Flame Chapter-7 Conservation of Plants and Animals Chapter-8 Cell: Structure and Function Chapter-9 Reproduction in Animals Chapter-11 Force and Pressure Chapter-12 Friction Chapter-13 Sound Chapter-14 Chemical Effects of Electric Current Chapter-15 Some Natural Phenomena Chapter-16 Light Chapter-17 Stars and The Solar System Chapter- 18 Pollution of Air and Water