Practice Introductory Entomology Questions and Answers

• The component of the insect's body wall primarily functions as a multifaceted shield, offering protection against physical injury, water loss, and the entr...
• ___________signifies the separation between the old exocuticle and the epidermis, creating a narrow space that aids in the molting process.
• This leg type is observed in insects like the praying mantis, featuring spiny femurs and tibiae that interlock to form a gripping mechanism
• The type of glands associated with the insect's head appendages is primarily responsible for silk production in certain insect larvae is
• What is the term used to describe the level of population density at which control measures should be implemented to prevent a rising pest population from ...
• What is the term used to describe the average density of a pest population around which it fluctuates due to biotic and abiotic factors in the absence of p...
• The process of estimating changes in insect distribution and abundance, providing information about their life history and the influence of biotic and abio...
• Which mechanism of resistance involves adverse effects on the biology of insects and their progeny due to biochemical and biophysical factors in the host p...
• “Clipping” the tips of the rice seedling before transplanting reduces the infestation of __________
• Larvae of _____________  causes damage in redgram by webbing together flowers, pods and leaves with frass often on pods and shoot tips.
• Host tree species for Muga silkworm is ________
• Chili leaf curl disease is spread by vector_________
• Planting of marigold as trap crop in Tomato and Cotton is used to attract to_______
• Typical symptom of Pink stem borer (Sesamia inferens) infestation in Wheat appears as:
• A bacterial disease of silkworm turns the color of larva to black and emits the foul smell. Name of the disease is:
• Trichogramma japonicum is a natural parasitoid which is used to control ________
• This Chemical known as “Apple Factor” which is released by Malus sp. and acts as an attractant to Aphis pomi is:
• Which pest is identified by the ‘honeydew’ it secretes, which often leads to the development of sooty mold on plant leaves ?
• ‘Bagging’ or protective covering of fruit clusters is commonly used to protect against which type of pest?
• Pebrine disease of silkworm is caused by
• Which insect order is characterised by complete metamorphosis, with larvae having chewing mouthparts that change to a siphoning type in the adult stage?
• The insect order Hymenoptera, which includes bees, wasps and ants, is generally characterised by which wing feature, unlike Diptera which have only one fun...
• Diptera, the insect order that includes houseflies and mosquitoes, is characterised by having only?
• The process by which an insect periodically sheds its old exoskeleton to allow further growth is called?
• Insects belong to which larger group of animals, which also includes spiders and crabs?
• Which of the following insects is beneficial as it helps in the pollination of many crops?
• The stage of a butterfly's life cycle in which it remains enclosed and motionless inside a hard covering is called the?
• In insect taxonomic classification, which rank lies immediately below 'Order' and above 'Genus'?
• The antenna type that is thread-like at the base and club-shaped at the tip, characteristic of butterflies, is called?
• The specialised sensory structures found on insect antennae, primarily responsible for detecting odours and pheromones, are called?
• Which insect is a well-known pest that damages cotton bolls by feeding inside them?
• Whitefly, a common pest of cotton, mainly damages the crop by?
• Which of the following is a useful insect that helps control harmful pests in a cotton field?
• Cotton aphids, small insects commonly found on the crop, mainly damage cotton by?
• Thrips, tiny insects that attack cotton leaves, typically cause damage that appears mainly as?
• Spiders and praying mantises found in cotton fields are generally considered helpful because they?
• The 'American bollworm' (Helicoverpa armigera), a major pest of cotton, is scientifically classified under which insect order?
• Which cotton pest is known to cause 'hopperburn', characterized by leaf curling, drying, and reddening along the margins?
• 'Parthenogenesis', a reproductive phenomenon seen in some cotton pests like aphids, refers to?
• The application of 'Beauveria bassiana' in cotton fields is primarily intended to manage?