MCQs on Entomology

An Overview
Insects emerge from the largest division of phylum Arthropoda and belong to the class Hexapoda or Insecta. There are more than billions of different species of insects that have been described till date.
The branch of zoology, which is mainly concerned with the study of insects, general anatomy, morphology, its characteristics and its contributions to biological diversity is termed Entomology
Explore more: Entomology
Which of the following statements is true about Entomology?
(a) The study of Birds
(b) The study of Insects
(c) The study of Microbes
(d) The study of Parasitic worms
Sol: (b) The study of Insects.
Which of the following are the main characteristic features of an Insect?
(a) Pair of antennae
(b) Three pairs of legs
(c) Pair of wings
(d) All of the above
Sol: (b) Three pairs of legs.
Which of the following is called the resting and inactive stage in the insect life cycle?
(a) The Egg stage
(b) The Larva stage
(c) The pupa stage
(d) The Adult stage
Sol: (c) The pupa stage.
Which of the following is not a natural predator of BPH?
(a) Bugs
(b) Red ants
(c) Spiders
(d) All of the above
Sol: (b) Red ants.
Insects, which feed on one type of food, are called _______.
(a) Polyphagous
(b) Monophagous
(c) Entomophagy
(d) None of the above
Sol: (b) Monophagous.
Insects are classified into the phylum_______.
(a) Nematoda
(b) Mollusca
(c) Arthropoda
(d) Platyhelminthes
Sol: (c) Arthropoda.
Which of the following insects is the carrier of grassy stunt pathogenic virus?
(a) Red ants
(b) Pink ants
(c) Leafhoppers
(d) All of the above
Sol: (c) Leafhoppers.
Which of the following statements is true for Entomophagy?
(a) Refers to eating birds
(b) Refers to eating insects
(c) Refers to eating fishes
(d) None of the above
Sol: (b) Refers to eating insects.
The total number of abdominal legs in the larval stage of the mustard sawfly is ______.
(a) 2 pairs
(b) 4 pairs
(c) 6 pairs
(d) 8 pairs
Sol: (d) 8 pairs.
Which of the following statements is true about the holometabolous insects?
(a) These insects undergo complete metamorphosis
(b) These insects undergo incomplete metamorphosis
(c) Both A and B
(d) None of the above
Sol: (a) These insects undergo complete metamorphosis.
Aphid, small, sap-sucking insects are examples of _________.
(a) Oviparous
(b) Viviparous
(c) Paedogenesis
(d) Parthenogenesis
Sol: (b) Viviparous.
Which of the following structures is not the part of the insects head capsule?
(a) Vertex
(b) Antennae
(c) Pronotum
(d) Tentorium
Sol: (c) Pronotum.
Odontotermes obesus is the scientific name of which of the following insects?
(a) Termite
(b) Cutworm
(c) Red ant
(d) Shoot borer
Sol: (a) Termite.
The process of killing pupa without changing the cocoon shell layer is called_________.
(a) Denier
(b) Dupion
(c) Hatching
(d) Stifling
Sol: (d) Stifling.
Which of the following is true about the immature scale insects?
(a) Sliders
(b) Crawlers
(c) Gliders
(d) None of the above
Sol: (b) Crawlers.
The excreta of the earthworm is called ______.
(a) Vermi-manure
(b) Vermicast
(c) Vermicompost
(d) All of the above
Sol: (b) Vermicast.
What is the middle part of an insect body present between the head and the abdomen called?
(a) Thorax
(b) Head
(c) Abdomen
(d) None of the above
Sol: (a) Thorax.
Which of the following statements is true about why spiders are not classified into insects?
(a) Spiders are venomous
(b) Spiders have eight legs
(c) Spiders have 2 division in their bodies
(d) All of the above
Sol: (d) All of the above.
Which of the following statements is true about the Anatomy of a cockroach?
(a) A pair of testes are present in the 2nd segment
(b) A pair of ovaries are present in the 4th segment
(c) The thorax of a cockroach is divided into 6 segments
(d) The abdomen region of a cockroach is divided into 10 segments
Sol: (d) The abdomen region of a cockroach is divided into 10 segments.
Insects breathe through ________.
(a) Gills
(b) Nostrils
(c) Spiracles
(d) None of the above
Sol: (c) Spiracles.
Also Refer: Life Cycle of an Insect

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