Entomology Quiz Questions And Answers
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Here's a fun and interesting entomology quiz with questions and answers. Entomology is a branch of zoology that deals with the scientific study of insects. Do you think you are an expert on this subject?
Will you be able to correctly respond to each inquiry on this test?
Let's use this fantastic quiz to test your knowledge today.
Consider this test a challenge and see how well you can perform.
Good luck with it!
Questions and Answers
- 1.
Insects that pass through the egg, larva, pupa, and adult stages in their life cycle have_________________.
- A.
Incomplete metamorphosis
- B.
No metamorphosis
- C.
Complete metamorphosis
- D.
Gradual metamorphosis
Correct Answer
C. Complete metamorpHosisExplanation
Insects that pass through the egg, larva, pupa, and adult stages in their life cycle have complete metamorphosis. This means that they undergo a distinct and dramatic change in their physical form as they progress through these stages. The larva stage is typically characterized by a worm-like appearance, while the pupa stage involves the insect transforming into a resting state inside a protective casing. Finally, the adult stage is when the insect emerges from the pupa as a fully developed adult with wings and reproductive capabilities. This complete metamorphosis allows for significant changes in the insect's anatomy and behavior between each stage.Rate this question:
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- 2.
A parsley worm is in the order ______________________ and the adult turns into a_____________________.
- A.
Lepidoptera, cabbage looper
- B.
Coleoptera, weevil
- C.
Lepidoptera, swallowtail
- D.
Diptera, mosquito
Correct Answer
C. Lepidoptera, swallowtailExplanation
The correct answer is lepidoptera, swallowtail. Lepidoptera is the order of insects that includes butterflies and moths, and swallowtail is a specific type of butterfly. This answer correctly identifies the order to which the parsley worm belongs and the adult form it transforms into.Rate this question:
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- 3.
Axillary sclerites form points of attachment for muscles that control the:
- A.
Wings
- B.
Legs
- C.
Mouthparts
- D.
Antennae
Correct Answer
A. WingsExplanation
Axillary sclerites are structures that provide attachment points for muscles. In insects, these sclerites are located in the thorax, specifically in the axillary region. Since the question mentions axillary sclerites, it suggests that the muscles attached to these sclerites are responsible for controlling the wings. Therefore, the correct answer is wings.Rate this question:
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- 4.
____________ is the stage of development of an insect between the immature, energy consuming form and the adult in holometabolous insects (those insects that go through complete metamorphosis).
- A.
Pupa
- B.
Third instar
- C.
Subimago
- D.
Larva
- E.
Imago
Correct Answer
A. PupaExplanation
A pupa is the stage of development of an insect between the immature form and the adult in holometabolous insects (those insects that go through complete metamorphosis). During this stage, the insect undergoes a dramatic transformation, where it changes from a larva into an adult. The pupa is usually enclosed in a protective casing and remains relatively immobile while undergoing this transformation. Once the transformation is complete, the adult insect emerges from the pupal casing.Rate this question:
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- 5.
Which structures would be found in an eruciform larva, but not in a scarabaeiform larva?
- A.
Prolegs
- B.
Manidibles
- C.
Spiracles
- D.
Ocelli
Correct Answer
A. ProlegsExplanation
An eruciform larva is the larval stage of insects like butterflies and moths, while a scarabaeiform larva refers to the larval stage of beetles. Prolegs are fleshy, stub-like appendages found on the abdomen of eruciform larvae that help them in locomotion. Scarabaeiform larvae, on the other hand, do not have prolegs. Therefore, prolegs would be found in an eruciform larva, but not in a scarabaeiform larva.Rate this question:
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- 6.
Which structure is NOT part of the head capsule of insects?
- A.
Antennae
- B.
Tentorium
- C.
Vertex
- D.
Pronotum
Correct Answer
D. PronotumExplanation
The pronotum is not part of the head capsule of insects. The head capsule of insects consists of various structures such as the antennae, tentorium, and vertex. The antennae are sensory organs located on the head of insects, used for detecting touch, smell, and sometimes sound. The tentorium is a complex internal structure that provides support and attachment for the muscles of the head. The vertex is the uppermost part of the insect's head. However, the pronotum is a plate-like structure that is part of the thorax, not the head. It covers and protects the prothorax, which is the first segment of the thorax.Rate this question:
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- 7.
A legless, eyeless, vermiform larva that is approximately 5 mm in length would probably belong to what insect order?
- A.
Ephemeroptera
- B.
Orthoptera
- C.
Odonata
- D.
Siphonaptera
- E.
Blattodea
Correct Answer
D. SipHonapteraExplanation
A legless, eyeless, vermiform larva that is approximately 5 mm in length would probably belong to the insect order Siphonaptera. Siphonaptera is the order of fleas, and their larvae are typically legless, eyeless, and vermiform in shape. This larval form is well adapted for their parasitic lifestyle, as they feed on the blood of their hosts. The other insect orders listed in the options, such as ephemeroptera, orthoptera, odonata, and blattodea, do not typically have legless, eyeless, vermiform larvae, making siphonaptera the most likely answer.Rate this question:
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- 8.
In cicadas and other sucking insects, movement of liquid to the mouth results from the action of a _____.
- A.
Corneal pump
- B.
Corneagen cell
- C.
Cibarial pump
- D.
Cuticle
Correct Answer
C. Cibarial pumpExplanation
The cibarial pump is responsible for the movement of liquid to the mouth in cicadas and other sucking insects. This pump is located in the head and is used to create suction and draw liquid into the mouth. It helps these insects feed on plant sap or other fluids by allowing them to extract the liquid from their food source.Rate this question:
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- 9.
In centipedes, the "fangs" are what type of structure?
- A.
Mandibles
- B.
Modified legs
- C.
Maxilla
- D.
Modified mouthparts
Correct Answer
B. Modified legsExplanation
In centipedes, the "fangs" are actually modified legs. These modified legs are called forcipules and are located near the head of the centipede. They are used for capturing and immobilizing prey, injecting venom, and defending against predators. These modified legs have evolved to serve a specialized function, allowing centipedes to be efficient predators in their environment.Rate this question:
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- 10.
A _______________ is the immature, aquatic stage of a dobsonfly.
- A.
Hellbender
- B.
Ant lion
- C.
Hellgrammite
- D.
Grub
Correct Answer
C. HellgrammiteExplanation
A hellgrammite is the immature, aquatic stage of a dobsonfly.Rate this question:
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- 11.
If an insect's subesophageal ganglion were paralyzed, it would be unable to _________.
- A.
Eat
- B.
Fly
- C.
Walk
- D.
See
Correct Answer
A. EatExplanation
If an insect's subesophageal ganglion were paralyzed, it would be unable to eat. The subesophageal ganglion is a part of the insect's nervous system that controls the muscles responsible for feeding and swallowing. If it is paralyzed, the insect would not be able to move its mouthparts or chew food, therefore preventing it from eating.Rate this question:
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- 12.
Which of these following components are not part of integrated pest management (IPM)?
- A.
Biological control
- B.
Application of pesticides based only on calendar dates
- C.
Information on the pest's life cycle and habitat
- D.
Economic thresholds
Correct Answer
B. Application of pesticides based only on calendar datesExplanation
The application of pesticides based only on calendar dates is not part of integrated pest management (IPM). IPM is an approach that focuses on using a combination of different methods to control pests, such as biological control, information on the pest's life cycle and habitat, and economic thresholds. Applying pesticides solely based on calendar dates does not take into account the specific needs and characteristics of the pest population, and may lead to unnecessary or ineffective pesticide use.Rate this question:
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- 13.
Blister beetles have what substance in their bodies that can be toxic to livestock?
- A.
Serotonin
- B.
Chitlin
- C.
Cantharadin
- D.
Resilin
Correct Answer
C. CantharadinExplanation
Cantharidin is a toxic substance found in the bodies of blister beetles. It is a potent irritant and can cause severe blistering and inflammation when it comes into contact with the skin or mucous membranes of livestock. Ingestion of cantharidin can also lead to gastrointestinal irritation, colic, and even death in animals. Therefore, cantharadin is the correct answer as it accurately identifies the substance in blister beetles that can be toxic to livestock.Rate this question:
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- 14.
The fireflies belong to which insect order?
- A.
Coleoptera
- B.
Diptera
- C.
Neuroptera
- D.
Megaloptera
Correct Answer
A. ColeopteraExplanation
Coleoptera is the correct answer because fireflies belong to the insect order Coleoptera, which is commonly known as beetles. Beetles have hardened forewings called elytra, which cover and protect the delicate hindwings. Fireflies are a type of beetle that are known for their ability to produce light through a process called bioluminescence.Rate this question:
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- 15.
Which part of the exoskeleton lies between the exocuticle and the wax layer?
- A.
Procuticle
- B.
Cement layer
- C.
Cuticulin layer
- D.
Endocuticle
Correct Answer
C. Cuticulin layerExplanation
The cuticulin layer is the part of the exoskeleton that lies between the exocuticle and the wax layer. It acts as a protective barrier and helps to prevent water loss from the exoskeleton. This layer is made up of a protein called cuticulin, which provides strength and flexibility to the exoskeleton.Rate this question:
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- 16.
The dorsal sclerite of each abdominal segment is called a _______________.
- A.
Sternite
- B.
Tergite
- C.
Coxite
- D.
Pleurite
Correct Answer
B. TergiteExplanation
The correct answer is tergite. The question is asking for the term used to describe the dorsal sclerite of each abdominal segment. The term tergite refers to the dorsal sclerite, which is the hard, protective plate on the upper surface of each abdominal segment.Rate this question:
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- 17.
The eastern population of monarch butterflies overwinter in ______________.
- A.
Florida
- B.
Central mexico
- C.
Baja california
- D.
Texas
Correct Answer
B. Central mexicoExplanation
The eastern population of monarch butterflies overwinter in central Mexico. This is because the climate and vegetation in central Mexico provide the necessary conditions for the butterflies to survive during the winter months. The region's high altitude and cool temperatures help to conserve energy and extend their lifespan. Additionally, the oyamel fir forests in central Mexico provide the monarchs with a suitable habitat for roosting and protection from harsh weather conditions. The monarchs migrate thousands of miles from their breeding grounds in the eastern United States and Canada to central Mexico, where they form large clusters in the oyamel trees until spring arrives.Rate this question:
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- 18.
________ is the appropriate concentration of ethanol to preserve most insects.
- A.
60%
- B.
70%
- C.
100%
- D.
50%
Correct Answer
B. 70%Explanation
70% ethanol is the appropriate concentration to preserve most insects. This is because ethanol acts as a preservative by dehydrating the insects and inhibiting the growth of microorganisms that can cause decay. A concentration of 70% is considered ideal because it provides a balance between preserving the insect's structure and preventing microbial growth. Higher concentrations of ethanol can cause excessive dehydration and shrinkage of the insect, while lower concentrations may not effectively inhibit microbial growth. Therefore, 70% ethanol is the most suitable concentration for preserving insects.Rate this question:
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- 19.
The majority of native bees nest in what type of habitat?
- A.
Flowering plants
- B.
Bamboo stems
- C.
Trees
- D.
Soil
Correct Answer
D. SoilExplanation
Native bees primarily nest in soil. Many species of native bees construct their nests in underground burrows, using the soil as a protective and suitable habitat for their offspring. These bees excavate tunnels in the soil, where they lay their eggs and provide provisions for their young. Soil provides a stable environment, protecting the developing bees from extreme temperatures and predators. Additionally, the soil offers a good source of moisture and nutrients for the bees' nesting activities. Therefore, soil is the preferred habitat for the majority of native bees.Rate this question:
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- 20.
The order Phthiraptera contains _________________.
- A.
Roaches and mantids
- B.
Chewing and sucking lice
- C.
Bristletails and silverfish
- D.
Dragonflies and damselflies
Correct Answer
B. Chewing and sucking liceExplanation
The order Phthiraptera contains chewing and sucking lice. This is because chewing and sucking lice are a type of parasitic insect that belong to the order Phthiraptera. These lice are known for infesting the feathers or fur of mammals and birds, where they feed on blood, skin, and other bodily secretions. They have specialized mouthparts that allow them to either chew or suck on their host's blood.Rate this question:
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- 21.
Which structures of insects are part of the ovipositor?
- A.
Paraprocts
- B.
Cerci
- C.
Aedeagus
- D.
Valvulae
Correct Answer
D. ValvulaeExplanation
Valvulae are part of the ovipositor in insects. The ovipositor is a specialized structure used by female insects to lay eggs. It is typically composed of multiple parts, including valvulae. Valvulae are small, finger-like structures that help in the insertion and placement of eggs into suitable locations. They play a crucial role in the reproductive process of insects by ensuring the successful deposition of eggs in the appropriate environment for their development and survival.Rate this question:
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- 22.
Which part of an insect's antenna articulates with its head capsule?
- A.
Arista
- B.
Pedicel
- C.
Flagellum
- D.
Scape
Correct Answer
D. ScapeExplanation
The scape is the part of an insect's antenna that articulates with its head capsule. It is the base or the first segment of the antenna that connects to the insect's head. The scape provides support and allows for movement and articulation of the antenna.Rate this question:
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- 23.
The eyes of caterpillars are called _______________.
- A.
Tegmina
- B.
Ocelli
- C.
Hamuli
- D.
Stemmata
Correct Answer
D. StemmataExplanation
Caterpillars have simple eyes called stemmata, which are different from the compound eyes found in adult insects. These stemmata are small and usually located on the sides of the caterpillar's head. They provide basic vision and help the caterpillar detect light and movement in its surroundings.Rate this question:
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- 24.
The plague, or "black death," is a disease of rodents and is transmitted by the ________.
- A.
Human body louse
- B.
Oriental rat fleas
- C.
Western tarnished plant bug
- D.
Asian lady beetle
Correct Answer
B. Oriental rat fleasExplanation
The correct answer is oriental rat fleas. The plague, also known as the "black death," is a disease that primarily affects rodents and is transmitted to humans through the bites of infected fleas. Oriental rat fleas, specifically, are known to carry and transmit the bacteria responsible for causing the plague. These fleas typically infest rats and other small mammals, and when they bite an infected animal, they can subsequently bite humans and transmit the disease.Rate this question:
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- 25.
What order of insects is generally considered most important from a medical and veterinary standpoint?
- A.
Pthiraptera
- B.
Zoraptera
- C.
Hymenoptera
- D.
Diptera
Correct Answer
D. DipteraExplanation
Diptera is the correct answer because this order of insects includes important medical and veterinary pests such as mosquitoes, flies, and fleas. These insects are known to transmit diseases to humans and animals, making them significant from a medical and veterinary standpoint.Rate this question:
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- 26.
Monarch butterflies depend on which plant for their survival?
- A.
Red clover
- B.
Daisies
- C.
Trumpet vine
- D.
Milkweed
Correct Answer
D. MilkweedExplanation
Monarch butterflies depend on milkweed plants for their survival. Milkweed is the only plant that monarch butterflies lay their eggs on, and it is also the primary food source for their caterpillars. The caterpillars feed exclusively on milkweed leaves, which contain toxins that make them unpalatable to predators. Additionally, milkweed plants provide a suitable habitat for monarch butterflies to pupate and transform into adults. Without milkweed, the survival of monarch butterflies would be severely threatened.Rate this question:
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- 27.
_________ are thought to be one of the first arthropods.
- A.
Trilobites
- B.
Trichoptera
- C.
Flies
- D.
Thysanura
Correct Answer
A. TrilobitesExplanation
Trilobites are considered to be one of the first arthropods because they appeared in the fossil record around 521 million years ago during the Cambrian period. They were a diverse group of marine organisms that had a hard exoskeleton and segmented bodies, making them similar to modern arthropods. Trilobites existed for about 270 million years and were highly successful, with over 20,000 known species. Their fossil record provides valuable insights into the early evolution and diversity of arthropods.Rate this question:
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- 28.
Which abdominal structures of insects are primarily sensory in function?
- A.
Sternites
- B.
Valvulae
- C.
Paraprocts
- D.
Cerci
Correct Answer
D. CerciExplanation
The abdominal structures of insects that are primarily sensory in function are called cerci. Cerci are paired appendages located at the posterior end of the abdomen. They are often long and slender, and they play a crucial role in detecting environmental stimuli such as air currents, vibrations, and chemicals. Cerci help insects in various activities like detecting predators, finding mates, and navigating their surroundings.Rate this question:
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- 29.
Which of the following orders of insects is most closely related to Diptera?
- A.
Siphonaptera
- B.
Hymenoptera
- C.
Thysanura
- D.
Mantodea
Correct Answer
A. SipHonapteraExplanation
Siphonaptera is the correct answer because it is the order of insects that includes fleas, which are closely related to Diptera (flies). Both Diptera and Siphonaptera belong to the same subclass, Pterygota, and share similar characteristics such as having only one pair of wings and undergoing complete metamorphosis. Hymenoptera (bees, wasps, ants), Thysanura (silverfish), and Mantodea (mantises) are not as closely related to Diptera as Siphonaptera.Rate this question:
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- 30.
Honey bees are valuable agricultural pollinators worth an estimated ____ annually in the United States.
- A.
$7.5 billion
- B.
$25 million
- C.
$15 billion
- D.
$98.8 million
Correct Answer
C. $15 billionExplanation
Honey bees are important pollinators for agriculture, contributing to the production of various crops. The given answer of $15 billion annually in the United States reflects the economic value of honey bees as pollinators. This value is estimated based on the significant role honey bees play in pollinating crops, which in turn leads to increased agricultural productivity and revenue.Rate this question:
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- 31.
A/an ______________ is used by female insects to lay eggs.
- A.
Spermatheca
- B.
Ovum
- C.
Cerci
- D.
Ovipositor
Correct Answer
D. OvipositorExplanation
The correct answer is ovipositor. An ovipositor is a specialized organ found in female insects that is used to lay eggs. It is a long, tubular structure that is capable of piercing through various materials, such as plant tissues or soil, to deposit the eggs in a suitable location. The ovipositor is an essential reproductive structure for female insects, allowing them to ensure the survival and propagation of their offspring.Rate this question:
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- 32.
In what order of insects are the front and hind wings held together by hamuli?
- A.
Lepidoptera
- B.
Hemiptera
- C.
Diptera
- D.
Hymenoptera
Correct Answer
D. HymenopteraExplanation
Hymenoptera is the correct answer because this order of insects, which includes bees, wasps, and ants, have front and hind wings that are held together by small hooks called hamuli. This unique characteristic distinguishes them from the other insect orders listed, such as Lepidoptera (butterflies and moths), Hemiptera (true bugs), and Diptera (flies).Rate this question:
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- 33.
Insects have evolved over a period of approximately __________ years.
- A.
400 million
- B.
100 million
- C.
2 million
- D.
50 million
Correct Answer
A. 400 millionExplanation
Insects have evolved over a period of approximately 400 million years. This lengthy period of time allowed for the gradual development and diversification of insect species. Through natural selection and adaptation, insects have successfully adapted to various environments and evolved complex physiological and behavioral traits. The long evolutionary history of insects is evident in their vast diversity and ecological importance in ecosystems worldwide.Rate this question:
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- 34.
______________ belong to the order Hymenoptera.
- A.
Grasshoppers and crickets
- B.
Beetles and weevils
- C.
Wasps and ants
- D.
Flies and mosquitos
Correct Answer
C. Wasps and antsExplanation
Wasps and ants belong to the order Hymenoptera. This order includes insects that have membranous wings and a specialized structure called a "hymenopteran waist." Wasps and ants are both social insects that live in colonies and exhibit complex behaviors. They play important roles in ecosystems as predators, pollinators, and decomposers.Rate this question:
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- 35.
Ground beetles and cockroaches have _______________ legs used for running.
- A.
Fossorial
- B.
Saltatorial
- C.
Cursorial
- D.
Raptorial
Correct Answer
C. CursorialExplanation
Ground beetles and cockroaches have cursorial legs used for running. Cursorial legs are adapted for fast and efficient movement on land. They are long, slender, and built for speed, allowing these insects to quickly navigate their environments. This adaptation is particularly useful for ground-dwelling species like beetles and cockroaches, as it helps them escape predators, find food, and explore their habitats.Rate this question:
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- 36.
Which of the following arthropods is not an insect
- A.
Scorpion
- B.
Fly
- C.
Cockroach
- D.
Dragonfly
Correct Answer
A. ScorpionExplanation
The scorpion is not an insect because it belongs to a different class of arthropods called Arachnida, whereas insects belong to the class Insecta. Scorpions have eight legs and two body segments, while insects have six legs and three body segments. Therefore, scorpions do not meet the criteria to be classified as insects.Rate this question:
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- 37.
_____________________ can be used as biological control agents to help control pests.
- A.
Lacewings
- B.
Parasitic wasps
- C.
All of these
- D.
Ladybird beetles
Correct Answer
C. All of theseExplanation
All of these options can be used as biological control agents to help control pests. Lacewings, parasitic wasps, and ladybird beetles are all natural predators of many common pests, such as aphids, mites, and caterpillars. These beneficial insects can be introduced into agricultural or garden environments to help reduce pest populations without the need for chemical pesticides. By preying on pests, they help to maintain a natural balance in ecosystems and can be an effective and environmentally friendly approach to pest control.Rate this question:
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- 38.
The absolute minimum information that must be associated with insect specimens after collection include __________________.
- A.
Location and trap type
- B.
Location and date
- C.
Trap type and collector
- D.
Date and collector
Correct Answer
B. Location and dateExplanation
The absolute minimum information that must be associated with insect specimens after collection includes location and date. This information is crucial for accurately documenting and studying the specimens. The location provides important ecological and geographical context, while the date helps in understanding seasonal variations and temporal patterns. Without these details, it would be difficult to interpret and compare the specimens effectively.Rate this question:
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- 39.
A ____________is a trap used to separate insects from soil or leaf litter.
- A.
Berlese funnel
- B.
Sweep net
- C.
Ultraviolet light trap
- D.
Pitfall trap
Correct Answer
A. Berlese funnelExplanation
A berlese funnel is a trap used to separate insects from soil or leaf litter. It works by placing the soil or leaf litter in the top of the funnel and a light source at the bottom. As the heat from the light source rises, the insects move away from it and fall through the funnel into a collecting container. This method is effective in collecting small and delicate insects that may be present in the soil or leaf litter.Rate this question:
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- 40.
A caterpillar of the cabbage butterfly is a common pest of _______________.
- A.
Flowers
- B.
Turfgrass
- C.
Vegetables
- D.
Shrubs
Correct Answer
C. VegetablesExplanation
The caterpillar of the cabbage butterfly is a common pest of vegetables. This is because cabbage butterflies lay their eggs on the leaves of various vegetable plants, such as cabbage, broccoli, and kale. Once the eggs hatch, the caterpillars feed on the leaves, causing damage to the plants. Therefore, vegetables are the preferred host for the cabbage butterfly caterpillar.Rate this question:
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- 41.
What material do solitary female bees provision for their offspring in cell chambers?
- A.
Pollen
- B.
Honey
- C.
Fruit
- D.
Rotting meat
Correct Answer
A. PollenExplanation
Solitary female bees provision pollen for their offspring in cell chambers. Pollen is a vital source of nutrition for bee larvae, providing them with essential proteins, fats, vitamins, and minerals. The female bees collect pollen from flowers and store it in the cell chambers along with their eggs. This ensures that the developing larvae have a sufficient food supply to grow and develop into adult bees. Honey, fruit, and rotting meat are not typically used as provisions for solitary female bees' offspring.Rate this question:
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- 42.
Dichotomous keys are primarily based on differences and similarities in insect ____________.
- A.
Pest status
- B.
Morphology
- C.
Behavior
- D.
Physiology
Correct Answer
B. MorpHologyExplanation
Dichotomous keys are primarily based on differences and similarities in insect morphology. Morphology refers to the physical characteristics and structures of an organism, such as its shape, size, color, and other external features. By examining these morphological traits, dichotomous keys allow users to identify and classify insects based on their distinct characteristics. Pest status, behavior, and physiology may also be important factors in understanding insects, but they are not the primary basis for dichotomous keys.Rate this question:
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- 43.
The butterfly pupa is known as a ____________.
- A.
Caterpillar
- B.
Chrysalis
- C.
Cocoon
- D.
Naiad
Correct Answer
B. ChrysalisExplanation
The correct answer is chrysalis. The butterfly pupa is known as a chrysalis, which is the stage between the caterpillar and the adult butterfly. During this stage, the caterpillar undergoes metamorphosis and transforms into a butterfly. The chrysalis is a protective covering that encases the developing butterfly and provides a safe environment for its transformation.Rate this question:
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- 44.
_______________ is the largest professional society dedicated to the study of insects.
- A.
Chinese academy of sciences
- B.
European entomological society
- C.
American society for the study of insects
- D.
Entomological society of america
Correct Answer
D. Entomological society of americaExplanation
The correct answer is the entomological society of america. This society is the largest professional society specifically focused on the study of insects. It brings together researchers, educators, and professionals interested in the field of entomology. They promote the study and understanding of insects through research, publications, conferences, and educational programs.Rate this question:
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- 45.
Most digestion in insects occurs in the:
- A.
Hindgut
- B.
Foregut
- C.
Crop
- D.
Midgut
Correct Answer
D. MidgutExplanation
The midgut is the correct answer because it is responsible for most of the digestion in insects. It is the portion of the digestive system where enzymes are secreted to break down food into smaller molecules that can be absorbed by the insect's body. The midgut is well-adapted for digestion, with a large surface area and specialized cells that facilitate the absorption of nutrients. The foregut and hindgut also play roles in digestion, but the majority of the process occurs in the midgut. The crop, on the other hand, is primarily involved in storing food.Rate this question:
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- 46.
Cochineal is a natural product produced from:
- A.
Grasshoppers
- B.
Scales
- C.
Beetles
- D.
Mites
Correct Answer
B. ScalesExplanation
Cochineal is a natural product produced from scales. Scales are tiny insects that attach themselves to plants and extract sap, secreting a waxy substance that forms a protective covering. Cochineal insects, specifically the female Dactylopius coccus, are harvested for their red pigment, which is used as a natural dye in various industries, including food and cosmetics. The insects are dried and crushed to obtain the red dye known as carmine.Rate this question:
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- 47.
If an insect is described as having haustellate mouthparts, it means that the insect consumes _____________.
- A.
Solid food
- B.
Blood only
- C.
Grasses only
- D.
Liquid food
Correct Answer
D. Liquid foodExplanation
If an insect has haustellate mouthparts, it means that the insect consumes liquid food. Haustellate mouthparts are specialized structures that allow insects to suck up fluids from their food source. This type of mouthpart is commonly found in insects that feed on nectar, plant sap, or the bodily fluids of other organisms. It enables the insect to extract the liquid portion of their food and obtain the necessary nutrients for survival.Rate this question:
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- 48.
What is a hematophagous insect?
- A.
One that feeds on saliva
- B.
One that feeds on bone
- C.
One that feeds on blood
- D.
One that feed on hair
Correct Answer
C. One that feeds on bloodExplanation
A hematophagous insect is an insect that feeds on blood. This means that it obtains its nutrition by sucking blood from other animals. Examples of hematophagous insects include mosquitoes, ticks, fleas, and bed bugs. These insects have specialized mouthparts that allow them to pierce the skin of their host and extract blood. They rely on blood as their primary source of nutrients and often play a role in the transmission of diseases.Rate this question:
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- 49.
Katydids belong to which insect order?
- A.
Orthoptera
- B.
Hemiptera
- C.
Embioptera
- D.
Zoraptera
Correct Answer
A. OrthopteraExplanation
Katydids belong to the insect order Orthoptera. This order includes insects like grasshoppers and crickets. Orthoptera is characterized by their straight wings and hind legs adapted for jumping. Katydids also have these characteristics, making them a part of the Orthoptera order.Rate this question:
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- 50.
A caterpillar does not have _________.
- A.
Mandibles
- B.
Compound eyes
- C.
Prolegs
- D.
Claws
Correct Answer
B. Compound eyesExplanation
A caterpillar does not have compound eyes. Compound eyes are a type of eye structure found in insects, consisting of many individual visual units called ommatidia. These ommatidia work together to create a mosaic image. While caterpillars have simple eyes called stemmata, they lack compound eyes. Caterpillars rely more on their sense of touch and chemical receptors to navigate and find food, rather than relying heavily on vision.Rate this question:
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Oct 18, 2024Quiz Edited by
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Jan 20, 2017Quiz Created by
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