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