Vidyalelo
Agriculture · Q795

Soil Science

Graduate and Post Graduate · Agriculture · question 795

Q795

The major organic cementing agent in soil aggregate formation is

A.
Lipids
Answer
B.
Proteins
C.
Polysaccharides
D.
Organic acids

Answer: Option A

Solution

Answer: Option A
Solution:
The major organic cementing agent in soil aggregate formation is lipid.
Soil aggregates are clumps of soil particles that are held together by moist clay, organic matter (like roots), gums (From bacteria and fungi) and fungal hyphae.
Soil aggregates form through the combined action of cohesion and fragmentation processes.