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