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