Q. Faecal deposits of earthworm are known as
A) Organic matter
B) Castings
C) Dung
D) Manure
Explanation
The worm feeds on soil. The organic particles of the soil are used up and the undigested matter along with soil is passed out a small pills, called ‘worm castings’
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.