CA BRANCH 2 OPERATOR EXAM (QUESTION 9
& 10) WITH CORRECT ANSWERS 2025-
2026
The immature stages (larvae) of both the clothes moth and carpet beetle feed on a variety of animal-
based material, including wool, fur, silk, feathers and leather. CORRECT ANSWER T
Both the clothes moth and the carpet beetle can digest cellulose fibers such as cotton, linen, or rayon.
CORRECT ANSWER F
The case-making clothes moth has four darker spots on its wings, unlike the webbing clothes moth.
CORRECT ANSWER F
Given food, moisture and warmth, fabric pests can breed year around. CORRECT ANSWER T
Fabric pests are often misdiagnosed for other insects like stored product pest caterpillars and various
unrelated beetles CORRECT ANSWER T
Dermestids have a variety of habits; most genera are hunters that feed on dry animal or plant materia
l such as skin or pollen. CORRECT ANSWER T
Some dermestid species, commonly called bow bugs, infest violin cases, feeding on the bow hair.
CORRECT ANSWER T
The clothes moth needs synthetic fibers like wool and cotton to survive. CORRECT ANSWER F
The skin beetles or Dermestidae are a beetle family. CORRECT ANSWER T
Cotton, linen and synthetics heavily soiled with food stains or body oils may also be occasionally attack
ed. CORRECT ANSWER T
Lepidopterans undergo complete metamorphosis going through a four-
stage lifecycle of egg, larva, pupa, and adult. CORRECT ANSWER T
& 10) WITH CORRECT ANSWERS 2025-
2026
The immature stages (larvae) of both the clothes moth and carpet beetle feed on a variety of animal-
based material, including wool, fur, silk, feathers and leather. CORRECT ANSWER T
Both the clothes moth and the carpet beetle can digest cellulose fibers such as cotton, linen, or rayon.
CORRECT ANSWER F
The case-making clothes moth has four darker spots on its wings, unlike the webbing clothes moth.
CORRECT ANSWER F
Given food, moisture and warmth, fabric pests can breed year around. CORRECT ANSWER T
Fabric pests are often misdiagnosed for other insects like stored product pest caterpillars and various
unrelated beetles CORRECT ANSWER T
Dermestids have a variety of habits; most genera are hunters that feed on dry animal or plant materia
l such as skin or pollen. CORRECT ANSWER T
Some dermestid species, commonly called bow bugs, infest violin cases, feeding on the bow hair.
CORRECT ANSWER T
The clothes moth needs synthetic fibers like wool and cotton to survive. CORRECT ANSWER F
The skin beetles or Dermestidae are a beetle family. CORRECT ANSWER T
Cotton, linen and synthetics heavily soiled with food stains or body oils may also be occasionally attack
ed. CORRECT ANSWER T
Lepidopterans undergo complete metamorphosis going through a four-
stage lifecycle of egg, larva, pupa, and adult. CORRECT ANSWER T
