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Saturday, 23 November 2019

What is Fertilization full definition ( Science Biology ) NCERT syllabus

Fertilization

The fusion of male sex cells with female sex cells is known as fertilization.


Types of fertilization:-

There are mainly TWO types of fertilization 

(a) Internal Fertilization
(b) External Fertilization 

(a) Internal Fertilization

The fertilization which takes place inside the female body after fertilization is known as internal Fertilization.
Example:- Fertilization in human. etc...


(b) External Fertilization 


The fertilization which takes place outside of female body's known as External fertilization.
Example:- Fertilization in animals such as Frogs, snakes etc...

What is Puberty

Puberty is defined as the age or period at which the sex harmones started to produce and the boy or girl become sexually mature that means they can be able to reproduce.
During puberty male starts to produce their sex harmones males testes started to produce sex harmones i.e oestrogen and progesterone.


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