First Detector- Master Gardener Training Quiz
1. To diagnose sick plants one should first determine
if the problem is:
a. Environmental or biological
c. Viral or bacterial
b. Fungal or bacterial
d. Biological or bacterial
2. What visual clue might separate these two types of diseases?
a. Blackening of the tissues
c. Wilting of foliage
b. Spots on the leaves
d. Number of plants affected
3. _____ is not part of the disease triangle.
a. Environment
c. Pathogen
b. Host
d. Temperature
4. Of the biological pathogens, which cause the majority of plant disease?
a. Bacteria
c. Fungi
b. Nematodes
d. Water
5. Which environmental factor is the most important to consider in the control of fungi?
a. Water
c. Temperature
b. Nutrition
d. Sunlight
6. At what point in the season does Septoria blight of tomato typically begin?
a. At germination
c. Late in the season
b. When the plants are planted
d. Mid-season when the leaves stay wet
7. What fungus structure is responsible for the spread of disease?
a. Seeds
c. Hyphopodia
b. Spores
d. Hyphae
8. Considering apple scab where does the fungus winter?
a. In the roots
c. On the trunk
b. On the branches
d. On fallen leaves
9. When chemically controlling bacterial disease what element is essential?
a. Copper
c. Sevin
b. Bleach
d. Baking soda
10. What kind of insect is commonly responsible for spreading viruses?
a) chewing b) sucking c) flying d) crawling
11. Snowfleas are wingless insects belonging to the insect order:
a) Coleoptera b) Collembola c) Thysanura d) Thrips
12. Beetles have: a) chewing b) sucking c) sponging
mouthparts.
13. Flies belong in the order Diptera. Diptera literally means:
a) The wings dip in the middle b) Stout antennae c) Two wings d) Brohen wings
14. Aphids have: a) chewing b) sucking c) sponging
mouthparts.
15. Sawflies can be controlled by the insecticide Bacillus thuringiensis (B.t.):
a) True b) False
16. Insects have a) 6 legs b) 4 legs c) 8 legs d) no legs
17. Daddy longlegs (Phalangida) have: a) 12 legs b) two body parts c) one body part
d) Trouble concentrating
18. Grasshoppers have a) chewing b) sucking c) sponging mouthparts.
19. During the growing season aphids: a) typically give live birth b) can totally defoliate
a plant c) are always winged d) none of the above
20. NPDN stands for: a) National Plant Disease Network b) National Plant Diagnostic
Network c)