Unit notes and practice questions
Everything here is for unit 16 of the Grade 11 Agriculture textbook: what the chapter covers, the short notes, practice questions with their answers, and the lesson video where one exists.
The cards filed under this chapter on the Grade 11 Agriculture page. Open one at a time.
When you use it
Use when addressing common processing errors that lead to nutrient loss during pulse or grain germination.
Watch out
Grains must be soaked in just enough water so that all of it is absorbed. Throwing away excess soaking water loses vital water-soluble nutrients.
Drafted from Grade 11 Agriculture, page 254 onwards, then checked twice before it went up
| Traditional Source | Scientific or Local Name | Nutritional Value |
|---|---|---|
| Chuko | Barley flour and spiced butter | Concentrated source of essential nutrients |
| Kocho | Enset (Ensete ventricosum) | Major energy-rich traditional staple |
| Bamboo shoot | Oxytenanthera abyssinica | Rich in essential minerals |
| Stinging nettle | Urtica simensis | Rich in essential minerals |
| Wild mushroom | Edible fungal species | Rich in essential minerals |
When you use it
Use when identifying Ethiopian traditional foods and wild plant species that contribute to nutrition-sensitive agriculture.
Watch out
Do not confuse wild edible mineral sources like Oxytenanthera abyssinica with common staple crops.
Drafted from Grade 11 Agriculture, page 254 onwards, then checked twice before it went up
| Method | Key Process | Nutritional Benefit |
|---|---|---|
| Fortification | Deliberately adding micronutrients | Prevents large-scale micronutrient deficiencies |
| Germination | Soaking (8 to 16 h) and sprouting (12 to 24 h) | Increases vitamin B (2x), vitamin C (10x), and digestibility |
| Fermentation | Breakdown by yeasts or bacteria | Improves absorption of Ca, P, and Fe, dough rises |
| Roasting | Dry heat cooking in ovens | Seals outer layer to retain natural juices and flavor |
When you use it
Use when comparing methods that increase the bioavailability and nutrient content of foods at household or industrial levels.
Watch out
Germination and fermentation increase nutrient content naturally, whereas fortification deliberately adds external vitamins and minerals.
Drafted from Grade 11 Agriculture, page 254 onwards, then checked twice before it went up
10 multiple-choice questions written against this chapter, each with its answer and the reason. Try one before you open the answer.
Question 1
According to the textbook, how many food groups should an individual consume at minimum in each meal?
Answer: C At least four food groups
Why
The textbook explicitly recommends that an individual consume at least four food groups in each meal to help meet nutritional requirements.
Question 2
An integrated farming system combines crops, livestock, poultry, and fish based on which core concept?
Answer: A "There is no waste"
Why
An integrated farming system links different agricultural subsystems so they benefit each other, founded on the principle that "there is no waste".
Question 3
What is the term for the ability of a nutrient or substance to be absorbed and used by the body?
Answer: A Bioavailability
Why
Bioavailability is defined as the ability of a substance to be absorbed and used by the body.
Question 4
In Oromia regional state, the traditional nutrient-rich food called Chuko is made from which ingredients?
Answer: A Barley flour mixed with concentrated butter
Why
Chuko is a common traditional food in Oromia made from barley flour mixed with concentrated butter.
Question 5
How do the amounts of vitamin B and vitamin C change when grains or pulses undergo germination?
Answer: A Vitamin B doubles and vitamin C increases almost 10 times
Why
During germination, vitamin B becomes almost double in quantity while vitamin C increases almost 10 times without additional cost.
Question 6
What is the practice of deliberately adding essential micronutrients such as vitamins and minerals to food called?
Answer: A Food fortification
Why
Food fortification is the deliberate addition of essential vitamins, minerals, and trace elements to foods to improve nutritional quality and reduce public health deficiencies.
Question 7
Which dietary modification is specifically described in the textbook to enhance the absorption of iron in the body?
Answer: A Consuming iron-rich foods together with ascorbic acid (vitamin C)
Why
Simultaneous consumption of iron-rich foods with ascorbic acid (vitamin C) is a dietary modification that increases the bioavailability of iron.
Question 8
Which microorganisms are specifically highlighted in the textbook for fermenting bread and yoghurt?
Answer: A Yeast for bread and bacteria for yoghurt
Why
The textbook states that different microorganisms are used in fermentation, such as yeast for bread and bacteria for yoghurt.
Question 9
What is the normal time required for soaking and sprouting grains or pulses during germination?
Answer: B 8 to 16 hours for soaking and 12 to 24 hours for sprouting
Why
According to the textbook, normally 8 to 16 hours are needed for soaking and 12 to 24 hours for sprouting.
Question 10
Which edible wild plant found in Ethiopia has the scientific name Urtica simensis L.?
Answer: A Stinging nettle
Why
The scientific name Urtica simensis L. belongs to stinging nettle, a mineral-rich wild edible plant consumed in Ethiopian highlands.
The app holds 12 questions on this unit, marked as you go. These are the first 10.
Unit 16 runs from page 251 to page 262 of the Ministry of Education edition.
Ministry of Education edition, English, 270 pages
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