CA BRANCH 2 OPERATOR EXAM (QUESTION 9
& 10) WITH CORRECT ANSWERS 2026-2027
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 2026-2027
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
