The last segment of insect which bears a structure which help during mating is_________________?

Related Mcqs:

1. The insect head is essentially a capsule which encloses the brain and bears the usually external (ectognathous) mouthparts, the eyes and a pair of sensory antennae. The mouth part comprise basic sections as:

   A. An ‘upper lip’ (labrum), lower (ventral) surface of which forms the epipharynx
   B. a tongue-like hypopharynx; the jaws (mandibles)
   C. The paired maxillae and a ‘lower lip’ (labium).
   D. All of these

   Submitted by: Shafiq Rehman

2. Examples of monophagous insect is_________________?

   A. Helicoverpa armigera
   B. Ants
   C. Green lacewing
   D. Pectinophora gossypiella (Pink bollworm)

3. Function of Exo cuticle insect is_________________?

   A. Rigidity of body parts
   B. impermeability of water
   C. Prevent evaporation
   D. Toughness and flexibility

4. In honey bees a flight for mating purpose is called_________________?

   A. Nuptial flight
   B. Straight flight
   C. Tactile flight
   D. None of above

5. Type of pheromone which get together the insects for food and mating is known as________________?

   A. Alarm pheromone
   B. Aggregation pheromone
   C. Sex pheromone
   D. Trial marking pheromone

6. An insect pest normally present at some time during the growing season that causes the economic damage to a crop is called ?

   A. Key pest
   B. Secondary pest
   C. Occasional pest
   D. Migrant pest

7. The ventral tube on the first abdominal segment of a springtail:

   A. Costa
   B. Collophore
   C. Embolium
   D. Ectoparasitoid

   Submitted by: Shafiq Rehman

8. The long axis of head is horizontal and in line with insect body, mouth parts directed forward is type of head_______________?

   A. Prognathous
   B. Hypognathous
   C. Opisthognathous
   D. Opis thosynchous

9. When some cultivars are resistance and some cultivars are susceptible, when they are infested with same insect biotype such type of resistance is called___________________?

   A. General resistance
   B. Specific resistance
   C. Cross resistance
   D. Horizontal resistance

10. Most of the insect require__________________?

    A. Vitamin B
    B. Vitamin C
    C. Vitamin A
    D. Vitamin D