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