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