12. Answer briefly II

1. What is tissue culture?

 

Tissue culture is a technique where plant cells, tissues, seeds or other plant parts are grown in a  environment on a -rich medium that supports the growth of the cells.

 

2. What is endangered species? Give two examples.

 

a.  The species of animals or plants which are considered to be at the risk of  are called endangered species.

 

b. They exist in a  number, and there are only a very few of them left on the planet and soon that they might get extinct.

 

c. , , Asiatic lion, purple frog, and Indian giant squirrel are examples of endangered animals in India.