In cockroach,larval and nymphal characters are maintained by---------

Options :
  1. juvenile hormone
  2. ecdysone
  3. parotid glands
  4. salivary glands
Answer and Explanation :-

Answer: Option 1

Explanation:

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For those who know the value of and exquisite taste of solitary freedom (for one is only free when alone), the act of leaving is the bravest and most beautiful of all.
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