Question

Which of the following is not a function of soil?

• A. It holds water
• B. It supplies air to roots
• C. It acts as a matrix that destabilizes the plant
• D. It harbors nitrogen fixing bacteria

Answer 1

Answer:

C. It acts as a matrix that destabilizes the plant

• Plants take their nutrition from minerals present in the soil.

• Many macro and micronutrients are present in the soil.

• The soil also harbors nitrogen fixing bacteria that fix nitrogen in order for uptake by plants.

• It performs several other functions like holding water and supplying air to root’s respiration.

• It also acts as a matrix for stabilization of the plant.