Tamil Nadu Board Solutions for Chapter: Economic Biology, Exercise 1: textbook exercises
Tamil Nadu Board Science Solutions for Exercise - Tamil Nadu Board Solutions for Chapter: Economic Biology, Exercise 1: textbook exercises
Attempt the free practice questions on Chapter 23: Economic Biology, Exercise 1: textbook exercises with hints and solutions to strengthen your understanding. Science Standard 9 solutions are prepared by Experienced Embibe Experts.
Questions from Tamil Nadu Board Solutions for Chapter: Economic Biology, Exercise 1: textbook exercises with Hints & Solutions
_____ refers to the culture of prawns, pearl and edible oysters.

Column A | Column B |
Lobsters | Marine fish |
Catla | Pearl |
Sea bass | Shellfish |
Oysters | Paddy |
Pokkali | Finfish |
Pleurotus sps | Psoriasis |
Sarpagandha | Oyster mushroom |
Olericulture | Reserpine |
Wrightia tinctoria | Vegetable farming |

Define Mushroom culture. Explain the mushroom cultivation methods.

What are the sources of organic resources for vermicomposting?

Give an account of different types of fish ponds used for rearing fishes.

Classify the different breeds of the cattle with suitable examples.

Biomanuring plays an important role in agriculture. Justify.

Each bee hive consists of hexagonal cells. Name the material in which the cell is formed and mention the significance of the hexagonal cells.
