Advertisements
Advertisements
Question
Following are a few organisms
(a) lichen (b) mosses (c) mango tree (d) cactus Which among the above can grow on stones; and also help in the formation of soil? Write the mode of their action for making soil.
Advertisements
Solution
Lichens and mosses i.e. (a) as well as (b). Lichens and mosses produce chemicals that break down the stones, resulting in soil formation.
APPEARS IN
RELATED QUESTIONS
How is soil formed?
What are the methods of preventing or reducing soil erosion?
How are living organisms dependent on the soil? Are organisms that live in water totally independent of soil as a resource?
We know that many human activities lead to increasing levels of pollution of the air, water-bodies and soil. Do you think that isolating these activities to specific and limited areas would help in reducing pollution?
Write a note on how forests influence the quality of our air, soil and water resources.
Give various sources and harmful effects of soil pollution.
Top-soil contains the following
A major source of minerals in the soil is the
Fertile soil has lots of humus. Why?
Carbon dioxide is necessary for plants. Why do we consider it a pollutant?
