The exoskeleton of insect is formed of chitin. This is a ------

Options :
  1. mucoprotein
  2. lipid
  3. lipoprotein
  4. polysaccharides
Answer and Explanation :-

Answer: Option 4

Explanation:

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But, oh, when gloomy doubts prevail,I fear to call thee mine The springs of comfort seem to fail,And all my hopes decline.Yet, gracious God, where shall I flee?Thou art my only trust And still my soul would cleave to thee,Though prostrate in the dust.
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