1. Why do greens, such as kale and collards, taste sweeter after a frost?
A. They don't. It's just an old wives tale.
B. Greens try to protect their leaf tissues from freezing by converting some stored starch into soluble sugars, which lowers the sap's freezing point.
C. Less competition from weeds after the frost allows greens to take up more nitrogen.
2. Why are antioxidants important for your health?
A. They keep the iron in your blood from rusting.
B. They breakdown starch, making it more digestible when we chew foods well.
C. They are compounds that neutralize the reactive free radicals, preventing them from damaging cells throughout our bodies.
3. What is the biggest advantage of perennial leaf crops over annual ones?
A. They don't need to be planted every year.
B. They contain more vitamin C.
C. The contain moral fiber.
4. What is the 5-A-Day Program?
A. A program to encourage eating 5 smaller meals, rather than 3 large ones.
B. A program to encourage eating at least 5 servings of fruits and vegetables a day.
C. A program to encourage timely Muslim prayer.
5. Why are solar dryers important?
A. They are rare planetary configurations that dry the surface of the sun thus reducing global rainfall.
B. They are a way of preserving food without an external energy cost.
C. They preserve foods for a longer time than electric dehydrators.
6. Why are the leaves that drop from trees in the autumn not a useful source of food for us?
A. They contain toxins from the tree's reaction to insect damage.
B. They are too difficult to catch as they fall.
C. They contain too much fiber to be digestible.
7. What is the most common nutritional problem in the world?
A. Short span of attention from lack of protein.
B. Chronic fatigue from iron deficiency anemia.
C. Cellulite from lack of egg whites.
8. What is chlorophyll?
A. The green pigment in leaves, essential to the production of carbohydrates by photosynthesis
B. An environmentally friendly toilet bowl cleaner
C. A plant hormone that tells seeds when to sprout
9. Which of the following is not a common edible garden weed?
A. Pigweed (Amaranthus retroflexus)
B. Lambsquarters (Chenopodium album)
C. Llama's breath (Philadelphium Secaucus)
10. Why is it important to prevent ultra-violet radiation from reaching leaves that are being dried?
A. Ultra-violet rays can cause cancer in the outer layers of the drying leaves.
B. Ultra-violet rays destroy beta-carotene that is converted to vitamin A in your body.
C. Ultra-violet rays give the leaves a strong bitter flavor.
11. What is leaf concentrate?
A. Leaf concentrate is a highly nutritious food made by coagulating the juice pressed from certain green leaves.
B. Leaf concentrate is an extract from Gingko biloba leaves that helps people concentrate on the task at hand.
C. Leaf concentrate is a foliar fertilizer that improves plant growth because it is absorbed directly through the leaves.
12. Which of these common plants has toxic leaves?
A. Sweet potato plants
B. Industrial plants
C. Tomato plants
13. Which of the following is an advantage of fortifying processed foods rather than getting essential nutrients from home gardens?
A. The local economy is strengthened.
B. Your stock in pharmaceutical companies will soar.
C. Fortification provides a wider range of cancer fighting compounds.
14. Why is it important to reduce nitrates in your vegetables by growing them without synthetic nitrogen fertilizer?
A. Nitrates can be converted to carcinogenic nitrosamines in your digestive tract.
B. Nitrates can destroy vitamin A.
C. Nitrates can be converted to explosive tri-nitro-toluene (TNT) in your digestive tract.
15. Which of the following is an advantage of growing greens in raised beds rather than rows?
A. Raised beds allow for more storage space underneath.
B. Raised beds allow more plants to be grown in a given garden space.
C. Raised beds produce more because the plants are closer to the source of sunlight.
16. Which of the following books had the greatest influence on modern leaf growing practice?
A. Leaves of Grass by Walt Whitman
B. Leave it to Beaver by June Cleaver
C. Forty Centuries of Viking Foliage by Leaf 'the Green' Eriksson
D. None of the Above by A. Nonymous
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