1. Entomology is the scientific study of:
a) Mammals
b) Birds
c) Insects
d) Fish
Answer: c) Insects
2. Insects belong to which class of animals?
a) Insecta
b) Arachnida
c) Crustacea
d) Myriapoda
Answer: a) Insecta
3. The study of insects as pests is known as:
a) Apiculture
b) Forensic entomology
c) Applied entomology
d) Medical entomology
Answer: c) Applied entomology
4. Which of the following is not an insect?
a) Spider
b) Beetle
c) Ant
d) Butterfly
Answer: a) Spider
5. Insects have how many pairs of legs?
a) One
b) Two
c) Three
d) Four
Answer: c) Three
6. Which of the following is not a part of an insect’s body?
a) Head
b) Thorax
c) Abdomen
d) Mandible
Answer: d) Mandible
7. What is the name of the process by which insects molt and shed their exoskeleton?
a) Ecdysis
b) Metamorphosis
c) Molting
d) Shedding
Answer: a) Ecdysis
8. Which insect order includes butterflies and moths?
a) Diptera
b) Lepidoptera
c) Coleoptera
d) Hymenoptera
Answer: b) Lepidoptera
9. What is the name of the developmental stage of an insect between the larval and adult stages?
a) Pupa
b) Nymph
c) Larva
d) Egg
Answer: a) Pupa
10. Which of the following insects undergoes incomplete metamorphosis?
a) Beetle
b) Butterfly
c) Grasshopper
d) Housefly
Answer: c) Grasshopper
11. The study of insects in relation to crime investigations is called:
a) Ethology
b) Forensic entomology
c) Taxonomy
d) Acarology
Answer: b) Forensic entomology
12. Which of the following is not a common method of insect control?
a) Biological control
b) Chemical control
c) Mechanical control
d) Magnetic control
Answer: d) Magnetic control
13. Which insect is responsible for transmitting malaria?
a) Mosquito
b) Flea
c) Tick
d) Bedbug
Answer: a) Mosquito
14. What is the function of an insect’s antennae?
a) Smelling
b) Tasting
c) Hearing
d) Sensing vibrations
Answer: a) Smelling
15. Which insect order includes ants, bees, and wasps?
a) Diptera
b) Lepidoptera
c) Coleoptera
d) Hymenoptera
Answer: d) Hymenoptera
16. What is the primary food source for butterflies in their larval stage?
a) Nectar
b) Leaves
c) Seeds
d) Blood
Answer: b) Leaves
17. Which insect is responsible for transmitting Lyme disease?
a) Mosquito
b) Tick
c) Flea
d) Bedbug
Answer: b) Tick
18. Which insect is known for its role in pollination?
a) Ant
b) Bee
c) Cockroach
d) Termite
Answer: b) Bee
19. Which insect order includes mosquitoes?
a) Diptera
b) Lepidoptera
c) Coleoptera
d) Hymenoptera
Answer: a) Diptera
20. What is the name of the specialized mouthpart used by butterflies and moths for drinking nectar?
a) Proboscis
b) Mandible
c) Maxilla
d) Labium
Answer: a) Proboscis
21. Which of the following insects is known for its ability to produce honey?
a) Ant
b) Bee
c) Cockroach
d) Termite
Answer: b) Bee
22. What is the name of the stage in a butterfly’s life cycle when it is enclosed in a protective case?
a) Larva
b) Pupa
c) Nymph
d) Imago
Answer: b) Pupa
23. Which insect is known for its ability to produce silk?
a) Ant
b) Bee
c) Butterfly
d) Silkworm
Answer: d) Silkworm
24. Which insect is commonly used in biological control to prey on agricultural pests?
a) Ladybug
b) Dragonfly
c) Firefly
d) Centipede
Answer: a) Ladybug
25. Which of the following insects undergoes complete metamorphosis?
a) Dragonfly
b) Grasshopper
c) Housefly
d) Beetle
Answer: d) Beetle
26. What is the primary function of an insect’s wings?
a) Breathing
b) Thermoregulation
c) Protection
d) Flight
Answer: d) Flight
27. Which insect is known for its ability to produce light through bioluminescence?
a) Ant
b) Firefly
c) Cockroach
d) Termite
Answer: b) Firefly
28. What is the name of the substance secreted by honeybees to build their hives?
a) Beeswax
b) Pollen
c) Royal jelly
d) Propolis
Answer: a) Beeswax
29. Which insect order includes flies and mosquitoes?
a) Diptera
b) Lepidoptera
c) Coleoptera
d) Hymenoptera
Answer: a) Diptera
30. What is the name of the process by which bees collect nectar and pollen?
a) Pollination
b) Apiculture
c) Foraging
d) Nectar gathering
Answer: c) Foraging
31. Which of the following insects is known for its ability to produce sound by rubbing its wings together?
a) Ant
b) Cricket
c) Beetle
d) Termite
Answer: b) Cricket
32. What is the name of the substance secreted by ants to communicate with each other?
a) Pheromone
b) Venom
c) Formic acid
d) Nectar
Answer: a) Pheromone
33. Which insect is commonly used in forensic entomology to estimate the time of death?
a) Beetle
b) Butterfly
c) Fly
d) Ant
Answer: c) Fly
34. What is the primary function of an insect’s exoskeleton?
a) Support
b) Protection
c) Thermoregulation
d) Respiration
Answer: b) Protection
35. Which insect is known for its role in the decomposition of organic matter?
a) Beetle
b) Ant
c) Moth
d) Mosquito
Answer: a) Beetle
36. What is the name of the process by which ants form organized colonies?
a) Hive building
b) Swarming
c) Nesting
d) Eusociality
Answer: d) Eusociality
37. Which of the following insects is commonly used as a biological control agent against aphids?
a) Ladybug
b) Dragonfly
c) Firefly
d) Centipede
Answer: a) Ladybug
38. What is the primary function of an insect’s compound eyes?
a) Smelling
b) Tasting
c) Seeing
d) Hearing
Answer: c) Seeing
39. Which insect is known for its role in the spread of African trypanosomiasis?
a) Mosquito
b) Flea
c) Tsetse fly
d) Bedbug
Answer: c) Tsetse fly
40. What is the primary food source for ants?
a) Nectar
b) Leaves
c) Blood
d) Seeds
Answer: d) Seeds
41. Which of the following insects undergoes hypermetamorphosis?
a) Beetle
b) Moth
c) Lacewing
d) Butterfly
Answer: c) Lacewing
42. What is the name of the process by which ants communicate through physical contact?
a) Tactile communication
b) Chemical communication
c) Auditory communication
d) Visual communication
Answer: a) Tactile communication
43. Which insect is commonly used as a biological control agent against mosquitoes?
a) Dragonfly
b) Ladybug
c) Firefly
d) Centipede
Answer: a) Dragonfly
44. What is the name of the specialized mouthpart used by mosquitoes for piercing and sucking?
a) Proboscis
b) Mandible
c) Maxilla
d) Labium
Answer: a) Proboscis
45. Which of the following insects is known for its role in the pollination of orchids?
a) Bee
b) Moth
c) Beetle
d) Butterfly
Answer: b) Moth
46. What is the primary food source for grasshoppers?
a) Nectar
b) Leaves
c) Seeds
d) Blood
Answer: b) Leaves
47. Which insect is known for its role in the spread of Chagas disease?
a) Mosquito
b) Flea
c) Tsetse fly
d) Assassin bug
Answer: d) Assassin bug
48. What is the name of the specialized mouthpart used by butterflies and moths for chewing?
a) Proboscis
b) Mandible
c) Maxilla
d) Labium
Answer: b) Mandible
49. Which of the following insects undergoes ametabolous development?
a) Beetle
b) Mosquito
c) Silverfish
d) Butterfly
Answer: c) Silverfish
50. What is the name of the specialized organ used by ants to carry food and communicate with other ants?
a) Antenna
b) Proboscis
c) Mandible
d) Antennal gland
Answer: c) Mandible