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