Soil Science

In which layer does the roots of the plants grow?

• Humus

• Subsoil

• top soil

• bedrock

Tags

NGSS.MS-LS1-5

In which layer of soil does the underground water gets collected?

• bedrock

• parentrock

• childrock

• subsoil

Tags

NGSS.MS-ESS2-4

Subsoil layer is made of ________

• sand and clay

• silt and sand

• gravels and stones

• large rocks

Which layer of soil helps in purification of water?

• topsoil

• parent rock

• humus

• sub soil

Soil is a mixture of ____

• air, minerals and water

• living and non-living things

• sand, silt, clay and nutrients

• all of the above

Identify the right match

a. Sand i. smaller than sand, larger than clay

b. silt ii. large particles

c. clay iii. smallest particles

• a - ii, b - i, c - iii

• a - ii, b - iii, c - i

• both are correct

• none of the above

Which of the following are the characteristics of loamy soil?

• It is porous, so allows air and water to circulate

• infertile

• has sand, silt and clay

• holds good amount of water

Which type of soil is used to make toys and pots

• clayey soil

• loamy soil

• silty soil

• sandy soil

Which soil has high nutrient content?

• clayey soil

• sandy soil

• silty soil

• loamy soil

Tags

NGSS.MS-LS2-1

Which soil has the lowest water holding capacity?

• clayey soil

• sand

• loamy soil

• None of the above