List of top Physical Sciences Questions on Basics of Soil Science asked in ICAR AIEEA (PG)

World Soil Day is celebrated every year on

Which mineral clay is known for its high cation exchange capacity?

Rhizosphere is closely related to

Biological control of wind erosion is

Total nitrogen in soil is measured by

Which of the following is related with in situ moisture conservation?

Which of the following is the process of dissolution of minerals by water?

The drought-tolerant leguminous green manures are

Critical stages for irrigation in wheat are

Water requirement of Rice crop is

Process of intermixing of soil horizons by external factor is called

Which of the following best represents the pH range of sodic soils?

The highest category of soil classification system is

The natural aggregates of soil are called

Which one of the following is the active factor of soil formation?

Which one of the following is a secondary mineral?

In forest litter, which of the following compounds is the most resistant to decomposition?

For quick revegetation of degraded areas, which one of the following types of tree seedlings is preferred?

Specific agricultural practices used to slow down the water run-off include:
A. Contour tillage
B. Strip Cropping
C. Terracing
Choose the correct answer from the options given below:

Deficiency of iron causes which of the following diseases?

The consumption of water containing high levels of nitrate-N can lead to

The process of enrichment of surface water bodies with nutrients is called

Environmental Protection Act was enacted in the year

Which of the following phenomena refers to the growth movement of plants in response to light?

The class of enzymes that catalyse the transfer of functional groups from one molecule to another is known as