MCQs Entomology-21 Posted on August 5, 2025August 30, 2025Author agropublishers 0 1. Which insect order is characterized by siphoning-type mouthparts, commonly referred to as a proboscis? Diptera Lepidoptera Coleoptera Hymenoptera 2. The primary function of antennae in insects is _________ Respiration Locomotion Sensory perception Feeding 3. Which insect appendages are primarily involved in the formation of the ovipositor? Mandibles Claspers Gonapophyses Antennae 4. _________ is the elongated mouthpart in mosquitoes that acts as a sheath for the piercing stylets and facilitates blood-sucking Maxillae Mandibles Hypopharynx Labium 5. Which insect appendage shows the greatest structural diversity across different orders? Wings Mouthparts Legs Antennae 6. Why are elytra considered important adaptations in certain insect orders? They aid in sensory perception They function as compound eyes They protect the hindwings and abdomen They are used for flight only 7. In bees, which mouthpart primarily forms the lapping structure used for feeding on nectar? Mandibles Labrum Maxillae Glossa of labium 8. The chemoreceptors on the insect antennae are known as_______________ Tympanal sensilla Campaniform sensilla Trichoid sensilla Basiconic sensilla 9. The type of development involving no distinct metamorphosis is called _________ Hemimetabolous Holometabolous Ametabolous 10. What is the primary function of arolium in insect legs? Clinging to smooth surfaces Jumping Sensing humidity Digging Loading … Question 1 of 10