Soil

The relative proportion of sand, clay and silt found in soil is known as ______.

• Porosity
• Soil Texture
• Soil Structure
• Both a and b

Who is known as the father of soil mechanics?

• Henry PG Darcy
• William John Macquorn Rankine
• Christian Otto Mohr
• Karl von Terzaghi

A cross-sectional view of the _______ in a soil is correctly termed as soil ______.

• strata, sample
• horizons, profile
• structures, peds
• None of these

Who is known as father of soil science?

• V.V. Dokuchaev
• Charles Babbage
• M. S. Swaminathan
• Verghese Kurien

The World soil day celebrated on ______.

• 11th December
• 6th December
• 5th December
• 12th December

What is theme for World soil day 2023?

• Soil: a source of life
• Soils: Where food begins
• Soil and Water: a source of life
• Stop Soil Erosion, Save our Future

 What is soil horizon?

• A factor influencing how soil is defined
• A layer of soil
• An organism found in the soil
• A technique used to map soil

 Soil science has how many branches of study?

• 1
• 2
• 3
• 4

Which soils are also called as regur soils

• marine deposits
• desert soils
• black soil
• alluvial soil

Wind erosion is more common in which Indian state?

• Arunachal Pradesh
• Rajasthan
• Andhra Pradesh
• Uttar Pradesh