The water- holding capacity is highest in 

Which one of the following cannot be an effect of soil erosion? 

Water holding capacity of soil depends on 

The component of soil which makes the air above the soil in a farm land shimmer on a hot summer day is  

Which of the following do not cause soil pollution? 

A. Jute bag    B. Acid rain   C. Cardboard     D. Plastic bag

The process by which huge rocks are broken down into small particles by the action of sun's heat, wind, rain and flowing water, etc is called 

Which of the following present in soil has the smallest sized rock particles? 

Soil if formed form 

Percolation rate of water is highest in 

In order to make fertile soil, the tiny rock particles should be mixed with