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  • Which of the following are present on the head of the cockroach?  Option: 1 Tactile receptors<stron

Which of the following are present on the head of the cockroach?
 

Option: 1

Tactile receptors


Option: 2

Fenestra


Option: 3

Walking legs


Option: 4

Fore wings

 


Answers (1)

best_answer

 

Head

  • Head lies anteriorly at a right angle to the longitudinal axis of the body.
  • Head is triangular in shape
  • Head is formed by the fusion of six segments 
  • It is attached to a flexible neck which allows movement in all directions.
  • Head bears a pair of thread-like antennae, a pair of compound eyes and a pair of fenestra or photoreceptors.
  • Antennae arise from membranous sockets lying in front of eyes. 
  • Antennae have sensory receptors that help in monitoring the environment 
  • The anterior end of the head bears appendages forming biting and chewing type of mouthparts.

 

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Head bears a pair of thread-like antennae, a pair of compound eyes and a pair of fenestra or photoreceptors.

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Rishi

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