Welcome to your Grade 12 Agriculture chapter 1
After carefully reading the following 30 questions, choose the correct answer.
1.
Which of the following is a characteristic of vegetable crops that distinguishes them from field grain crops?
2.
In Ethiopia, which vegetables are primarily produced for export purposes?
3.
What was the estimated number of households in Ethiopia making their livelihood from vegetable production in 2018?
4.
Which essential vitamin or mineral, found in vegetables like spinach and tomato, helps reduce "hidden hunger" in children?
5.
Which nutrient is responsible for the normal functioning of the visual process and the structure of the eye?
6.
What is the term for plants that have no persistent woody stems above the ground?
7.
Ethiopia's altitude range, which contributes to its wide climatic diversity, is between:
8.
What is the average landholding size of a smallholder farmer in Ethiopia?
9.
Which environmental factor directly affects seed germination, root development, and nutrient absorption?
10.
Damage to tropical and sub-tropical vegetables occurring at temperatures below 10 °C is known as:
11.
The process where some vegetables require exposure to low temperature to move from vegetative to reproductive growth is:
12.
Approximately how many litres of water are required to produce one kilogram of vegetable dry matter?
13.
Which of the following is a "long day" plant that flowers when the night is short?
14.
Which vegetable is classified as "day-neutral," meaning it is not affected by day length?
15.
High levels of atmospheric humidity are often associated with:
16.
Which vegetable requires low humidity for optimal growth?
17.
For every 100m increase in altitude, what is the typical decrease in temperature?
18.
Which regions in Ethiopia are generally less suitable for vegetable production due to low rainfall and high temperatures?
19.
During site selection, which type of topography is considered most suitable for vegetable production?
20.
In the provided profit analysis example, what was the estimated net profit for 1 hectare of tomato per season?
21.
Which of the following is a constraint to vegetable production in Ethiopia?
22.
What is the primary role of light in vegetable production?
23.
Plants grown in reduced light conditions are often:
24.
Which vegetable requires high humidity?
25.
What happens to photosynthesis and respiration as temperature increases up to a certain point?
26.
Which of the following is NOT listed as a major vegetable produced for domestic consumption in Ethiopia?
27.
What is the main cause of the increasing demand for vegetables in Ethiopia besides health awareness?
28.
Why do smallholder farmers choose to grow vegetables compared to cereals?
29.
What causes overheating of plants in conditions of excessive humidity?
30.
Which of the following is a "short day" plant?
