Welcome to your Grade 12 Agriculture chapter 14
After carefully reading the following 30 questions, choose the correct answer.
1.
What is the term for the proportion of sand, silt, and clay particles in the soil?
2.
Which of the following is a major component of soil?
3.
The loss of topsoil due to wind and water is known as:
4.
What is the main cause of soil erosion in areas with high livestock density?
5.
Which part of the soil is considered the most nutrient-rich?
6.
How does tillage negatively contribute to soil quality?
7.
Deforestation leads to soil erosion because trees:
8.
Which soil conservation practice involves building level steps on a slope?
9.
What effect does overgrazing have on soil infiltration capacity?
10.
Soil and water conservation practices are needed to prevent:
11.
Which of these is an inactive part of the soil matrix?
12.
What is the impact of soil erosion on agricultural productivity?
13.
Indigenous knowledge in conservation often includes:
14.
Surface runoff is accelerated by:
15.
Which soil particle is the smallest in size?
16.
Organic matter in soil is derived from:
17.
Soil and water conservation helps to maintain:
18.
What happens when soil is compacted by cattle?
19.
Wind erosion is most common on:
20.
The mechanical manipulation of soil with tools is called:
21.
Which of the following is a physical property of soil?
22.
Soil conservation aims to:
23.
Gullies are formed by:
24.
Biological conservation methods include:
25.
"Silt" is a soil particle that is:
26.
High intensity rainfall causes:
27.
Soil minerals come from:
28.
What is "urbanization" in the context of soil?
29.
Soil color can indicate:
30.
Conservation of water includes:
