PCA Exam: Insects, Mites, and Invertebrates Exam Comprehensive
Questions and Answers (Verified Answers) Updated (Actual Exam) LATEST
VERSION!!
Chewing Mouthpart - (ANSWER)includes the labrum, mandibles, hypopharynx, and the labrum-
epipharynx
piercing-sucking mouthparts - (ANSWER)insect mouthparts in which a syringe-like structure pierces plant
cells and draws in its contents
Blood Feeding Mouthparts - (ANSWER)An elongated labium forms a protective sheath for the stylet that
carries enzymes that when the insect carries blood up it does not clot
rasping-sucking mouthparts - (ANSWER)Scrape the surface of the leaf away and then feed on the sap
using a cone shaped beak
Siphoning mouthparts - (ANSWER)Feeding tube is uncoiled and extended to suck liquids into the mouth
(butterfly)
Sponging mouthparts - (ANSWER)The mandibles and maxillae are nonfunctional, and the remaining
parts form a proboscis with a fan-shaped sponge at the tip, liquid food is mopped up by the capillary
action
Chewing-lapping mouthparts - (ANSWER)Modified mouthparts that occur in bees. Includes a "tongue"
that laps up liquids, as well as mandibles that can be used for various functions.
What orders of insects have chewing mouthparts - (ANSWER)Collembola, coleptera, dermaptera,
dictyoptera, diptera, ephemeroptera, hymenoptera, isoptera, lepidoptera, mecoptera, neurtopera,
odonata, orthoptera, plecoptera, psocoptera, thysanura
what insect orders have piercing-sucking mouthparts - (ANSWER)hemiptera, diptera, siphonaptera
,PCA Exam: Insects, Mites, and Invertebrates Exam Comprehensive
Questions and Answers (Verified Answers) Updated (Actual Exam) LATEST
VERSION!!
How are piercing-sucking mouthparts different than chewing mouthparts - (ANSWER)they have a
modified labrum that acts as a pouch for protecting the maxillary stylets and mandibles/maxillae that
are sharpened like a needle
What are the main body parts of a adult insect - (ANSWER)head thorax and abdomen
What are the main body parts of a adult spider - (ANSWER)cephalothorax (head region) abdomen, 8 legs
What are the main body parts of a adult mite - (ANSWER)cephalothorax, abdomen, 6 pairs of
appendages- 4 legs and 2 pairs of mouthparts appendage
What is the proper name for catepillar like body type - (ANSWER)
What is the proper name for grublike like body type - (ANSWER)scarabaeiform
What is the proper name for maggotlike like body type - (ANSWER)vermiform
Haltere wing type - (ANSWER)a hindwing that is reduced to a knobbed guidance organ, most commonly
found in diptera family of true flies
Tegmina wing type - (ANSWER)front wings that are completely leathery or parchment like in texture,
most common in grasshopper or crickets
Hemelytra wing type - (ANSWER)Front wings that are leathery or parchment-like at the base and
membranous near the tip in some true bug species
, PCA Exam: Insects, Mites, and Invertebrates Exam Comprehensive
Questions and Answers (Verified Answers) Updated (Actual Exam) LATEST
VERSION!!
Elytra wing type - (ANSWER)Hard, sclerotized front wings that serve as protective covers for
membranous hind wings, most common in beetle like species
Scales wing type - (ANSWER)Membranous wings that may be coated with scale to provide color,
protection from predators, and temperature regulation
What is the function of the foregut in an insect - (ANSWER)Starts the breakdown of the ingested food
source
What is the function of the midgut in an insect - (ANSWER)continues the breakdown of the food source
by stripping away the nutritional portions of the food such as the proteins
What is the function of the hindgut in an insect - (ANSWER)final step in the digestive system if an insect
by pulling the moisture from the food and then passing it through the insects rectum
How does respiration take place - (ANSWER)insects used spiracles and tracheoles to intake oxygen from
the environment and expel carbon dioxide
Describe an insects circulatory system - (ANSWER)Insects operate with an open circulatory system that
means the hemolymph flows freely between muscle and body captivities, this system is also responsible
for moving hormones, nutrients, salts and other metabolic wastes. The system is made up of three parts
the dorsal vessel, and an aorta.
Describe an insects nervous system - (ANSWER)an insects nervous system is responsible for receiving
and integrating information from the environment and translating that information into a series of
reactions
What is a reflex action - (ANSWER)an action that is created purely from stimulus, no brain activity is
responsible for it
Questions and Answers (Verified Answers) Updated (Actual Exam) LATEST
VERSION!!
Chewing Mouthpart - (ANSWER)includes the labrum, mandibles, hypopharynx, and the labrum-
epipharynx
piercing-sucking mouthparts - (ANSWER)insect mouthparts in which a syringe-like structure pierces plant
cells and draws in its contents
Blood Feeding Mouthparts - (ANSWER)An elongated labium forms a protective sheath for the stylet that
carries enzymes that when the insect carries blood up it does not clot
rasping-sucking mouthparts - (ANSWER)Scrape the surface of the leaf away and then feed on the sap
using a cone shaped beak
Siphoning mouthparts - (ANSWER)Feeding tube is uncoiled and extended to suck liquids into the mouth
(butterfly)
Sponging mouthparts - (ANSWER)The mandibles and maxillae are nonfunctional, and the remaining
parts form a proboscis with a fan-shaped sponge at the tip, liquid food is mopped up by the capillary
action
Chewing-lapping mouthparts - (ANSWER)Modified mouthparts that occur in bees. Includes a "tongue"
that laps up liquids, as well as mandibles that can be used for various functions.
What orders of insects have chewing mouthparts - (ANSWER)Collembola, coleptera, dermaptera,
dictyoptera, diptera, ephemeroptera, hymenoptera, isoptera, lepidoptera, mecoptera, neurtopera,
odonata, orthoptera, plecoptera, psocoptera, thysanura
what insect orders have piercing-sucking mouthparts - (ANSWER)hemiptera, diptera, siphonaptera
,PCA Exam: Insects, Mites, and Invertebrates Exam Comprehensive
Questions and Answers (Verified Answers) Updated (Actual Exam) LATEST
VERSION!!
How are piercing-sucking mouthparts different than chewing mouthparts - (ANSWER)they have a
modified labrum that acts as a pouch for protecting the maxillary stylets and mandibles/maxillae that
are sharpened like a needle
What are the main body parts of a adult insect - (ANSWER)head thorax and abdomen
What are the main body parts of a adult spider - (ANSWER)cephalothorax (head region) abdomen, 8 legs
What are the main body parts of a adult mite - (ANSWER)cephalothorax, abdomen, 6 pairs of
appendages- 4 legs and 2 pairs of mouthparts appendage
What is the proper name for catepillar like body type - (ANSWER)
What is the proper name for grublike like body type - (ANSWER)scarabaeiform
What is the proper name for maggotlike like body type - (ANSWER)vermiform
Haltere wing type - (ANSWER)a hindwing that is reduced to a knobbed guidance organ, most commonly
found in diptera family of true flies
Tegmina wing type - (ANSWER)front wings that are completely leathery or parchment like in texture,
most common in grasshopper or crickets
Hemelytra wing type - (ANSWER)Front wings that are leathery or parchment-like at the base and
membranous near the tip in some true bug species
, PCA Exam: Insects, Mites, and Invertebrates Exam Comprehensive
Questions and Answers (Verified Answers) Updated (Actual Exam) LATEST
VERSION!!
Elytra wing type - (ANSWER)Hard, sclerotized front wings that serve as protective covers for
membranous hind wings, most common in beetle like species
Scales wing type - (ANSWER)Membranous wings that may be coated with scale to provide color,
protection from predators, and temperature regulation
What is the function of the foregut in an insect - (ANSWER)Starts the breakdown of the ingested food
source
What is the function of the midgut in an insect - (ANSWER)continues the breakdown of the food source
by stripping away the nutritional portions of the food such as the proteins
What is the function of the hindgut in an insect - (ANSWER)final step in the digestive system if an insect
by pulling the moisture from the food and then passing it through the insects rectum
How does respiration take place - (ANSWER)insects used spiracles and tracheoles to intake oxygen from
the environment and expel carbon dioxide
Describe an insects circulatory system - (ANSWER)Insects operate with an open circulatory system that
means the hemolymph flows freely between muscle and body captivities, this system is also responsible
for moving hormones, nutrients, salts and other metabolic wastes. The system is made up of three parts
the dorsal vessel, and an aorta.
Describe an insects nervous system - (ANSWER)an insects nervous system is responsible for receiving
and integrating information from the environment and translating that information into a series of
reactions
What is a reflex action - (ANSWER)an action that is created purely from stimulus, no brain activity is
responsible for it
