PCA Exam TEST FINAL EXAM AND PRACTICE EXAM
20262027 BANK 2 VERSIONS QUESTIONS WITH DETAILED
VERIFIED ANSWERS EXAM QUESTIONS WILL COME
FROM HERE (100% CORRECT ANSWERS A+ GRADED
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)
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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
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
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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 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
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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