Reproduction of new organisms from a single parent , without the involvement of sex cells is called asexual reproduction

Examples - Amoeba,Hydra




Different Types of Asexual Reproduction

Binary Fission

In Binary Fission,organism reproduces by dividing itself into 2 parts

Example

Amoeba splits itself to form new amoeba

Procedure

  1. A fully grown amoeba is a cell which has nucleus and cytoplasm
  2. Nucleus splits to form 2 nucleus
  3. Cytoplasm also divides
  4. 2 small amoeba formed

 

reproduction-in-amoeba.png

Budding

It is a kind of asexual reproduction in which diferent buds or bulges develop into new organisms

 

Example

Hydra uses budding to reproduce

Procedure

  1. A bulge or bud develops on side of hydra
  2. Slowly it develops into new hydra
  3. This new hydra separates itself from parent hydra to form new hydra

 

Image - hydra image, fig 17 lakhmir singh and fig 9.11 ncert combination

 

 

Questions 

NCERT Question 4 (h) - Indicate whether the following statements are True (T) or False (F):

Binary fission is a method of asexual reproduction. (T/F)

View Answer

 

NCERT Question 10 (5) - Complete the cross-word puzzle using the hints given below

A type of fission in amoeba.

View Answer

 

NCERT Question 4 (f) - Indicate whether the following statements are True (T) or False (F):

Amoeba reproduces by budding. (T/F)

View Answer

 

NCERT Question 6 - Define asexual reproduction. Describe two methods of asexual reproduction in animals.

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NCERT Question 10 (7) - Complete the cross-word puzzle using the hints given below

The term used for bulges observed on the sides of the body of Hydra.

View Answer

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo