Plant Nutrition and Plant Hormones

Question 1

What are soils made up of?

Answer 1

Organic and Inorganic materials

Question 2

The Macronutrients are»>

Answer 2

Carbon, Oxygen, Hydrogen, Nitrogen , Phosphorus, Sulphur , Potassium , calcium and magnesium

Question 3

The Micronutrients are»»>

Answer 3

Chlorine , Iron, Manganese, Boron, Zinc , Copper, Nickel and molybdenum

Question 4

Symptoms of mineral deficiency

Answer 4

Depends on the nutrients function and mobility within the plant
-Deficiency of a Mobile nutrient usually affects older organs more than young ones. (N,P,K,Mg,Cl,Zn)
-Deficiency of a less mobile nutrient usually affects younger organs more than older ones.(Ca,S,B,Fe,Cu)

Question 5

Rhizobacteria

Answer 5

depends on nutrients secreted by plants and in return , help to enhance plant growth

Question 6

Ectomycorrhizae Mycelium

Answer 6

Forms a dense sheath over the surface of the root and does not penetrate root cells

Question 7

Arbuscular Mycorrhizae

Answer 7

Extend into the root, does not penetrate the cell wall but not the plasma membrane