Post test unit 1 The Soil

What is the most important factor in plant growth?

• Water

• Air

• Mineral

• Soil

There are two types of weathering , one of physical weathering and ........................weathering.

• natural process.

• process of decay

• chemical

• rock

Which layer of soil rich in organic matter,typically dark color.

• O horizon

• A horizon

• B horizon

• C horizon

Soil comes in the solid 45% mineral & organic matter 5% ,............25% and..........25 %

• liquid -gas

• gas-mineral

• air-gas

• liquid-air

The macro nutrients that the plants such as ......................,......................,

• oxygen-hydrogen

• Iron-Boron

• Copper-Zinc

• Chlorine-Molybdenum

Which one work organic materials at a smaller scale,converting waste product?

• Fungi

• Earthworms

• Bacteria

• Virus

Which item is the degree of acidity and basicity of a solution or substance.

• Acidic

• Neutral

• Alkali

• pH

The Cultivation and production of food to meet the need of the former and their families refer to.....................

• subsistence farming.

• commercial farming

• extensive production

• intensive production

Which one is meaning of this picture.

• Arable farming

• Pastral farming

• Mixed farming

• Livestock farming

What is style of production trends to have high input such as labor , fertilizer or machine?

• Extensive production

• Intensive pruducyion

• Crop rotation

• Controlling pets and diseases