Free Plant Protection MCQs with Answers

• A. Pleuron
• B. Tergum
• C. Sternum
• D. None of the above

Explanation: The pleuron is the lateral sclerotized region of an insect body segment, especially evident on the thorax.

• A. Stylate
• B. Aristate
• C. Ensiform
• D. Capitate

Explanation: Houseflies have aristate antennae, recognized by the prominent bristle-like arista arising from the third antennal segment.

• A. Aristate, plumose
• B. Pectinate, Pilose
• C. Plumose, pilose
• D. Pectinate, plumose

Explanation: Male mosquitoes have plumose antennae with dense whorls of long hairs that detect female wing-beat sounds, whereas females have pilose…

• A. No of above
• B. insect physiology
• C. insect Ecology
• D. insect morphology

Explanation: Insect morphology deals with external form and structural organization, whereas insect physiology concerns functions such as digestion…

• A. Insect pest
• B. Agricultural insects
• C. Pest
• D. None of the above

Explanation: Insects associated with and dependent on cultivated crops are termed agricultural insects in this classification.

• A. Parasitoid
• B. Predator
• C. Parasite
• D. Scavengers

Explanation: A parasite lives on or inside a host and obtains nourishment from it, usually without immediately killing the host.

• A. Non of the above
• B. Nocturnal insects
• C. Crepuscular insects
• D. Diurnal insects

Explanation: Diurnal insects are active during daylight hours. Nocturnal insects are active at night, while crepuscular insects are mainly active…

• A. Viviparous
• B. Oviparous
• C. Paedogenesis
• D. All type of production

Explanation: Aphids commonly give birth to live young, so they are a standard example of viviparous insects.

• A. Ants
• B. Helicoverpa armigera
• C. Green lacewing
• D. Pink bollwormAgriculture & Forestry

Explanation: Helicoverpa armigera feeds on many unrelated crops, including cotton, chickpea, tomato and maize, making it polyphagous.

• A. Carnivorous insects
• B. Polyphagous
• C. Omnivorous insects
• D. Monophagous

Explanation: Monophagous insects depend mainly on one plant species or a very narrow food range.

• A. Aestivation
• B. Torpor
• C. Dormancy
• D. Starvation

Explanation: Aestivation is a dormant or inactive state that helps insects survive hot, dry summer conditions.

• A. Diapause
• B. Quiescence
• C. Tor por
• D. Hibernation

Explanation: Diapause is a programmed physiological arrest in which insect development and metabolism remain suppressed even when immediate…

• A. Imago
• B. Maggot
• C. Grub
• D. Puparium

Explanation: The larva of a true fly is called a maggot, typically a legless, soft-bodied form.

• A. Adult
• B. Nymph
• C. Larva
• D. Naiad

Explanation: The aquatic immature stage of an exopterygote insect is called a naiad, as in dragonflies and mayflies.

• A. Pupae
• B. Adult
• C. Larva
• D. Nympth

Explanation: Endopterygote insects undergo complete metamorphosis, with a distinct pupal resting stage between larva and adult.

• A. Endopterygota
• B. Exopterygota
• C. Apterabola
• D. None of the above

Explanation: Exopterygota develop wings externally as visible wing pads during the nymphal stages.

• A. Diapause
• B. Hibernation
• C. Cannibalism
• D. Non of the above

Explanation: Cannibalism is the act of feeding on or killing members of one's own species.

• A. Pest
• B. Inset pest
• C. Agricultural Insect
• D. None of the above

Explanation: A pest is any organism that causes harm or damage to humans, crops, animals, property, or other interests, either directly or indirectly.

• A. Symphyla
• B. Hexapoda
• C. Crustacea
• D. Pauropoda

Explanation: Insects are six-legged arthropods grouped under Hexapoda, a name referring to their three pairs of legs.

• A. Stravation
• B. Aestivation
• C. Hibernation
• D. Dormancy

Explanation: Winter diapause is called hibernation, whereas diapause during hot summer conditions is called aestivation.