2026 CERTIFICATION PREPARATION
WORKBOOK IRRIGATION AND DESIGN MOCK
TEST ITEMS COMPLETE SOLUTIONS
◉ Which of the following orders of insects includes species that are
pests of living plants?
- Isoptera (termites)
- Thysanura (firebrats & silverfish)
- Blattodea (cockroaches)
- Heteroptera (true bugs). Answer: Heteroptera (true bugs)
◉ The immature stages of an insect are known as:
- instars
- metamorphoses
- juveniles
- pre-adults. Answer: Instars
◉ Which of the following groups of insect orders include both pests
and beneficials that attack pest insect species?
- Hymenoptera (wasps & bees), Thysanoptera (thrips), and
Heteroptera (true bugs)
,- Thysanura (firebrats & silverfish), Blattodea (cockroaches), &
Dermaptera (earwigs)
- Isoptera (termites), Mallophaga (chewing lice), & Anoplura
(sucking lice)
- Homoptera (aphids & whiteflies), Lepidoptera (moth & butterflies),
Siphonoptera (fleas). Answer: Hymenoptera (wasps & bees),
Thysanoptera (thrips), and Heteroptera (true bugs)
◉ Which of the following insects suck plant juices out of plant cells?
- Dermaptera (earwigs)
- Homoptera (aphids & whiteflies)
- Lepidoptera (moths & whiteflies)
- Orthoptera (moths & locusts). Answer: Homoptera (aphids &
whiteflies)
◉ Which part of the plant do nematodes most commonly attack?
- fruit
- roots & other underground plant parts
- germinating seeds
- flowers. Answer: Roots & other underground plant parts
◉ Which of the following types of plant disorders cannot be
transmitted from plant to plant?
,- bacterial diseases
- fungal diseases
- viruses
- abiotic problems. Answer: Abiotic problems
◉ Ants belong to the insect order:
- coleoptera
- Diptera
- Hymenoptera
- Lepidoptera. Answer: Hymenoptera
◉ Which of the following insects have chewing mouth parts?
- caterpillars
- true bugs
- aphids
- thrips. Answer: Caterpillars
◉ Vertebrates include which of the following types of animals?
- spiders & ticks
- snails & slugs
- birds & mice
- butterflies & beetles. Answer: Birds & mice
, ◉ Which of the following animals are arthropods?
- fish
- slugs
- rats
- mites. Answer: Mites
◉ Which of the following pests would cause leaf strippling?
- Fungus disease
- Beetle larvae
- Mites
- Caterpillars. Answer: Mites
◉ An insect that passes through complete metamorphosis would
have which of the following life stages?
- egg, nymph, adult
- egg, larva, adult
- egg, larva, nymph, adult
- egg, larva, pupa, adult. Answer: egg, larva, pupa, adult
◉ Powdery mildew on plants is caused by:
- insects feeding damage