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