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