Consider the following statements about Bio indicator 1 It is a living organism that gives us an ide...........

Environment and Ecology Concept of Ecosystems

Download Solution PDF

Consider the following statements about Bio-indicator

1.It is a living organism that gives us an idea of the health of an ecosystem

2.Lichens are often used as indicators of air quality.

Which of the statements given above is/are correct?

1 only

2only

Both 1 and 2

Neither 1 nor 2

छोटे Courses बड़े Results

Master Concept of Ecosystems

Prepare through Micro-courses

Try Now

Explanation:

Correct. A bio-indicator is indeed a living organism that gives an idea about the health of an ecosystem. Bio-indicators can reflect changes in environmental conditions and help in monitoring the quality of the environment.

Correct. Lichens are often used as bio-indicators, especially for air quality. They are sensitive to air pollution, particularly sulfur dioxide and nitrogen oxides, and their presence, absence, or condition can indicate the level of pollution in an area.

Therefore, both statements are correct.