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201.

Vector of Malaria isA. Male CulexB. Female AnophelesC. Female AedesD. Female Culex.

Answer» Correct Answer - B
Discussion
202.

Echysone/moulting hormone is produced byA. Prothoracic glandB. Corpora allataC. Corpora cardiacaD. Abdominal gland

Answer» Correct Answer - A
Discussion
203.

In insects, echysone takes part inA. Growth and developmentB. Maturation into adultC. Moulting till pupa is formedD. Secretion of cuticle in adult.

Answer» Correct Answer - C
Discussion
204.

Corpora allata are removed from a nymph. It willA. Remain nymph for lifeB. Become adultC. Change to next nymph immediately but will remain in that stateD. Die after some time.

Answer» Correct Answer - B
Discussion
205.

Arrhenotoky is parthenogenetic development found inA. All insectsB. MosquitoesC. ButterfliesD. Honey Bees, Wasps and Ants.

Answer» Correct Answer - D
Discussion
206.

Which one communicates by means of pheromones ?A. AnnelidsB. GastropodsC. InsectsD. Birds.

Answer» Correct Answer - C
Discussion
207.

Mosquito takes in air throughA. PedicelB. FlagellumC. CiliaD. None of the above.

Answer» Correct Answer - D
Discussion
208.

Mouth parts of Mosquito are ofA. Siphoning typeB. Piercing and sucking typeC. Sponging typeD. Cutting and chewing.

Answer» Correct Answer - B
Discussion
209.

Male and female cockroaches can be distinguished externally throughA. Anal styles in maleB. Anal cerci in femaleC. Anal style and antennae in femalesD. Both B and C.

Answer» Correct Answer - A
Discussion
210.

Features common in Silver fish, Scorpion, Dragonfly and Prawn areA. Three pairs of legs and segmented bodyB. Chitinous cuticle and two pairs of antennaeC. Jointed appendages and chitinous exoskeletonD. Cephalothroax and tracheae.

Answer» Correct Answer - C
Discussion
211.

What is the true about Neries, Scorpion, Cockroach and Silver FishA. All possess dorsal heartB. None is aquaticC. They belong to same phylumD. They have jointed paired appendages.

Answer» Correct Answer - A
Discussion
212.

The home of white ant is known asA. Mole hillB. HiveC. TermitariumD. Sanatorium.

Answer» Correct Answer - C
Discussion
213.

The most economic insect isA. Silver fishB. Desert locustC. Bombyx moriD. Dragon fly.

Answer» Correct Answer - C
Discussion
214.

Anopheles eggs areA. Rounded without floatsB. Boat-shaped with floatsC. Rounded with floatsD. Boat-shaped without floats.

Answer» Correct Answer - B
Discussion
215.

Eggs of Pediculus/human louse areA. NitsB. TumblersC. NaiadsD. Instars.

Answer» Correct Answer - A
Discussion
216.

Naiads areA. Nymphs of LocustB. Nymphs of GrasshopperC. Nymphs of DragonflyD. All the above.

Answer» Correct Answer - C
Discussion