QAC Category B – Landscape
Maintenance License Practice Exam
QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) PLUS RATIONALES
2026 Q&A | INSTANT DOWNLOAD PDF
Q1. What are the two main classifications of weeds?
A) Annuals & Biennials
B) Dicots & Monocots
C) Broadleaves & Grasses
D) Perennials & Annuals
,,,,answer,,,,: B) Dicots & Monocots
Rationale: Weeds are classified botanically into monocots (grasses and sedges)
and dicots (broadleaf weeds). Dicots produce two seedling leaves (cotyledons) .
Q2. What is the definition of a dicot weed?
A) Narrow leaves with parallel veins
B) Broad leaves with netted veins, produces two seedling leaves
C) Fibrous root system only
D) Single seed leaf
,,,,answer,,,,: B) Broad leaves with netted veins, produces two seedling leaves
,Rationale: Dicot weeds are broadleaves that produce two seedling leaves
(cotyledons). They have netted or branching veins, distinguishing them from
monocots .
Q3. Which of the following are parasitic dicots?
A) Crabgrass and dandelion
B) Mistletoe and dodder
C) Chickweed and plantain
D) Clover and bindweed
,,,,answer,,,,: B) Mistletoe and dodder
Rationale: Mistletoe and dodder are parasitic dicots that attach to host plants and
extract nutrients. They are not capable of independent survival .
Q4. What are invertebrates in the context of landscape pests?
A) Animals with backbones
B) Animals without backbones
C) Plants without vascular tissue
D) Fungi that infect plants
,,,,answer,,,,: B) Animals without backbones
Rationale: Invertebrates are animals without backbones. This group includes
arthropods such as insects, spiders, and mites, which are significant landscape
pests .
,Q5. What are arthropods?
A) Animals with internal skeletons
B) "Jointed foot" organisms with external skeletons and jointed body parts
C) Soft-bodied worms
D) Single-celled organisms
,,,,answer,,,,: B) "Jointed foot" organisms with external skeletons and jointed body
parts
Rationale: Arthropods, such as insects, spiders, and mites, have exoskeletons and
jointed body parts. The term means "jointed foot" .
Q6. Which insect order is known to transmit plant diseases?
A) Coleoptera
B) Thysanoptera
C) Hymenoptera
D) Lepidoptera
,,,,answer,,,,: B) Thysanoptera (Thrips)
Rationale: Thysanoptera (thrips) are known to transmit some plant diseases. They
have rasping-sucking mouthparts and can vector viruses .
Q7. Which insect order includes pests that feed on living plants?
, A) Dermaptera
B) Orthoptera
C) Heteroptera
D) Coleoptera
,,,,answer,,,,: C) Heteroptera (True Bugs)
Rationale: Heteroptera, or "true bugs," include plant pests such as plant bugs,
assassin bugs, and damsel bugs. They have piercing-sucking mouthparts .
Q8. What are the immature stages of insects called?
A) Nymphs
B) Instars
C) Pupae
D) Larvae
,,,,answer,,,,: B) Instars
Rationale: The immature stages of insects between molts are called instars. Insects
develop through a series of instars before reaching adulthood .
Q9. Which insect order sucks juices from plant cells?
A) Orthoptera
B) Heteroptera
C) Homoptera
D) Coleoptera
Maintenance License Practice Exam
QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) PLUS RATIONALES
2026 Q&A | INSTANT DOWNLOAD PDF
Q1. What are the two main classifications of weeds?
A) Annuals & Biennials
B) Dicots & Monocots
C) Broadleaves & Grasses
D) Perennials & Annuals
,,,,answer,,,,: B) Dicots & Monocots
Rationale: Weeds are classified botanically into monocots (grasses and sedges)
and dicots (broadleaf weeds). Dicots produce two seedling leaves (cotyledons) .
Q2. What is the definition of a dicot weed?
A) Narrow leaves with parallel veins
B) Broad leaves with netted veins, produces two seedling leaves
C) Fibrous root system only
D) Single seed leaf
,,,,answer,,,,: B) Broad leaves with netted veins, produces two seedling leaves
,Rationale: Dicot weeds are broadleaves that produce two seedling leaves
(cotyledons). They have netted or branching veins, distinguishing them from
monocots .
Q3. Which of the following are parasitic dicots?
A) Crabgrass and dandelion
B) Mistletoe and dodder
C) Chickweed and plantain
D) Clover and bindweed
,,,,answer,,,,: B) Mistletoe and dodder
Rationale: Mistletoe and dodder are parasitic dicots that attach to host plants and
extract nutrients. They are not capable of independent survival .
Q4. What are invertebrates in the context of landscape pests?
A) Animals with backbones
B) Animals without backbones
C) Plants without vascular tissue
D) Fungi that infect plants
,,,,answer,,,,: B) Animals without backbones
Rationale: Invertebrates are animals without backbones. This group includes
arthropods such as insects, spiders, and mites, which are significant landscape
pests .
,Q5. What are arthropods?
A) Animals with internal skeletons
B) "Jointed foot" organisms with external skeletons and jointed body parts
C) Soft-bodied worms
D) Single-celled organisms
,,,,answer,,,,: B) "Jointed foot" organisms with external skeletons and jointed body
parts
Rationale: Arthropods, such as insects, spiders, and mites, have exoskeletons and
jointed body parts. The term means "jointed foot" .
Q6. Which insect order is known to transmit plant diseases?
A) Coleoptera
B) Thysanoptera
C) Hymenoptera
D) Lepidoptera
,,,,answer,,,,: B) Thysanoptera (Thrips)
Rationale: Thysanoptera (thrips) are known to transmit some plant diseases. They
have rasping-sucking mouthparts and can vector viruses .
Q7. Which insect order includes pests that feed on living plants?
, A) Dermaptera
B) Orthoptera
C) Heteroptera
D) Coleoptera
,,,,answer,,,,: C) Heteroptera (True Bugs)
Rationale: Heteroptera, or "true bugs," include plant pests such as plant bugs,
assassin bugs, and damsel bugs. They have piercing-sucking mouthparts .
Q8. What are the immature stages of insects called?
A) Nymphs
B) Instars
C) Pupae
D) Larvae
,,,,answer,,,,: B) Instars
Rationale: The immature stages of insects between molts are called instars. Insects
develop through a series of instars before reaching adulthood .
Q9. Which insect order sucks juices from plant cells?
A) Orthoptera
B) Heteroptera
C) Homoptera
D) Coleoptera
