How are Fish Obtained, What are the Advantages of Composite Fish in Text Question Chapter 15 Improvement in Food

How are fish obtained, What are the advantages of composite fish culture Chapter 15: Improvement in Food Resources Science Class 9 solutions are developed for assisting understudies with working on their score and increase knowledge of the subjects. In text questions of page no 213 is solved by our expert teachers. You can get ncert solutions and notes for class 9 chapter 15 absolutely free. NCERT Solutions for class 9 Science Chapter 15: Improvement in Food Resources is very essencial for getting good marks in CBSE Board examinations

In text questions of page no 213

Q. No. 1: How are fish obtained?

Ans: Fish can be obtained by following two ways:

Capture fishing: It involves obtaining fish from natural resources.
Culture fishery: It involves fish farming. Farming can be done in both freshwater and marine ecosystem.

Q. No. 2: What are the advantages of composite fish culture?
Ans: In a composite fish culture, five or six different species are cultured together in a single fish pond. Fishes with different food habitats are chosen so that they do not compete for food among themselves. Also, this ensures a complete utilization of food resources in the pond. As a result fish yield from the pond increases.