Biological Properties of Soil

Q. Conversion of organic material to inorganic material by micro-organisms(in soil) is called .

1. mineralization
2. salination
3. biomagnification

Q. What is organic matter? Why it is important to plants?
[2 Marks]
[AP SCERT]
[Properties of Soil]

Q. ___________ is an inorganic nutrient.

1. Nitrogen
2. Urea
3. Glucose
4. Glycine

Q. Mycorrhizae is an important representative of ________ .

1. soil algae
2. soil fungi
3. soil bacteria
4. soil protozoa

Q. Microbial organisms help in aeration and percolation of water in the soil.

1. False
2. True