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