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