A socio-cultural factor affecting land availability for agriculture include use of land for

A. Constructin road

B. Building houses

C. Building factormies

D. Building religious houses

Organisms which may be benefical to crop include

A. Nematodes

B. Bacteria

C. Viruses

D. Protozoa

Which of the following rocks is sedimantary?

A. Limestone

B. Gabbro

C. Granite

D. Marble

Soil profile important in agriculture because it

A. Determines the soil catena

B. Determines the type of the landtenure system

C. Gives indication of types of cropsto grow

D. Promotes the weathering of rocks

What is the percentage water content of soil sample which weighed 180g when fresh and 120g when oven-dried

A. 20.14%

B. 25.00%

C. 33.33%

D. 60.00%

A soil sample with a pHof 4.5 is said to be

A. Acidic

B. Alkaline

C. Neutral

D. Fertile

The propety of soil which cannot easily be change by a famer is the

A. Porosity

B. Structure

C. Texture

D. Acidity

A farmer continuously applies sulphate of ammonia to his faemland for many years, the resulatant soil solution is most likely to

A. Leave blue litmus paper unchanged

B. Change blue litmus paper to re

C. Change red litmus paper to blue

D. Be rich in soil microbes

Application of water to the subsoil through perforated pipes is known as

A. Flooding irrigation

B. Subsurface irrigation

C. Spinkler irrigation

D. Overhead irrigation

Which of the following statements describe the impact of land degradation?
I. Increased availablity of fuel wood
II. Reduction in livestock production
III. Decrease in agricultural productivity
IV. Pollution of water bodies

A. I,II and III only

B. I,III and IV only

C. II, III and IV only

D. I, II, III and IV