Welcome to your Grade 11 Agriculture chapter 1
After carefully reading the following 30 questions, choose the correct answer.
1.
What is the deliberate cultivation of crops and rearing of animals called?
2.
Which form of agriculture involves clearing an area of vegetation, cultivating it for a few years, and then abandoning it for a new area?
3.
What is the practice of using the same plot of land continuously over a long period to grow crops or rear livestock?
4.
Which type of farming is practiced mainly for a household's own use, without any surplus for trade?
5.
In which regions did societies survive by hunting and gathering before the introduction of agriculture?
6.
What was the primary reason people initially started to domesticate animals?
7.
Which characteristic might have influenced hunter-gatherers in their selection of plant species as food sources?
8.
Which of the following crops was widely used as food by hunter-gatherers, particularly in tropical regions?
9.
What does rotating or shifting between different crops in different growing seasons define?
10.
What is the practice of leaving a plot of land free of crop growth for two or three seasons to allow the soil to recover?
11.
What characterized the Mechanical Era of agriculture (1930 - 1950) in industrialized regions?
12.
During which era did agriculture focus on the use of chemicals (1950 - 1970)?
13.
What is the current era of agriculture (1970 - present) in industrialized regions?
14.
In sub-Saharan Africa, agriculture often remains traditional, primarily using what for cultivation?
15.
What are the three most important food crops globally in terms of volume of production?
16.
Which crops provide dietary fats and oils for humans?
17.
Which essential fatty acids are provided by oil crops?
18.
Oils and fats are primarily composed of which molecules?
19.
What is the most important fiber crop for cloth-making?
20.
Which crops are grown specifically as food for livestock or farm animals?
21.
In the C3 photosynthetic pathway, how many carbon atoms does the first stable carbon compound contain?
22.
Which type of plants have a mechanism to accumulate CO2 inside the leaves to minimize photorespiration?
23.
Which of the following is an example of a C4 plant?
24.
Which people in Ethiopia are well known for their traditional skills in terracing and irrigation?
25.
Why do farmers in highland areas use kitchen ash on their soil?
26.
What indigenous technique do farmers in Bale use to protect potato plots from porcupines?
27.
According to the textbook, why do farmers in Gondar shift their barns from one farmland to another?
28.
What is the main reason for using smoke in highland agricultural areas?
29.
Which of the following is a major cereal crop produced in Ethiopia?
30.
What is the sum of the digestible fiber, protein, lipid, and carbohydrate components of a feedstuff called?