Science MCQ (1 Marks)

Top soil

Yellow

Soil is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life. Earth's body of soil, called the pedosphere, has four important functions: as a medium for plant growth. as a means of water storage, supply and purification.

Red and yellow soils are generally found in the Eastern Ghats, Odisha and Chattisgarh. The clay form of red soil is nutrient rich and viable for forestation. However coarse red or yellow soil has been completely leached of all its nutrients and is not fertile.

Clayey soil.

Soli study refers to the depth study of soil in all its forms.
Soli profile refers to vertical sections of soil. It allows examining the structure of the soil.
The different horizons in the soil profile are regarded as soil layers that are parallel to each other.
The term weathering refers to the breaking down of rocks, soils as well as minerals and woods.

Shimmers.

Black soil is suitable for cultivating cotton crop because of their clayey nature. Cotton cultivation requires high moisture retention

Horse dung

Minerals, organic matter, air and water.

Vitamins

Field capacity to wilting point

Clayey soil is used to make pots, toys and statues because the clayey soil has the highest water holding capacity than loamy, sandy and silt

Rice crop

Clayey Soil.

Sandy loam soil

Bottom rock

Minerals, organic matter, air and water

All of the above.

Soil profile is defined as the vertical section of the soil from the ground surface downwards to where the soil meets the underlying rock.

Artificial nitrification inhibitors

Properties of clay minerals include plasticity, shrinkage under firing and air drying, fineness of grain, hardness, cohesion, and capacity of the surface to take decoration.

Sandy soil.

Soil minerals form the basis of soil. They are produced from rocks (parent material) through the process of weathering.

The percolation rate of water is different in different types of soil. It is highest in the sandy soil and least in the clayey soil. Loamy soil has a moderate rate of percolation.

Soil conservation measures mainly aim at protecting topsoil, which is rich in humus and nutrients making it fertile to grow plants.

Sandy soil consists of large particles that are loosely packed with large air spaces between them. Since sand particles are quite large, they cannot fit close together, so there are large spaces between them. These spaces are filled with air.

Loamy soil.

Volcanic soil

Its horizontal layout.

The mixture of rock particles and humus is called the Soil.

All of the above

The soil is used in agriculture, where it serves as the primary nutrient base for the plants. The soil is used in constructions and arts. Soil material is a critical component in the mining and construction industries. Soil serves as a foundation for most construction projects. Massive volumes of soil can be involved in surface mining, road building, and dam construction. Earth sheltering is the architectural practice of using soil for external thermal mass against building walls. Soil is used to make pots. Soil plays an important role in infiltrating and purifying water. After coming down as precipitation, much of the rainwater is percolated through the many horizons of a soil profile and renamed groundwater.