The soil is found in layers, these layers are

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.

An Intiative by Sri Chaitanya

Organic Layer

Topsoil

Subsoil

All of the above

answer is D.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

Concept- The soil is composed of various layers. These layers are represented through the letters O, A and B. The layers are organic layer, topsoil and subsoil.
Organic Layer: This is the first layer of the soil. It is made up of organic material. These layers comprise fallen leaves and other organic matter on top of the soil. This layer is also known as the O-Horizon layer.
Topsoil: This layer comprises organic matter broken down into its base factors. This layer consists of minerals and organic matter like nitrogen that help fertilise. This layer is rich in organic matter. Also known as the A-Horizon layer.
Subsoil: This layer has all the broken down matter that has strained from the below layers. It is present just below the topsoil layer. This layer holds more water than the topsoil layer. It has a lower amount of minerals like iron and aluminium. This layer is also known as the B-Horizon layer.
Therefore all the above-mentioned options are the layers of soil.
Hence, the correct answer is option 4.

Watch 3-min video & get full concept clarity