Check sibling questions

Homologous organs are different from analogous organs.

(i) Mention the two basic characteristics that decide about analogy and homology between the two organs.

(ii) On what basis is the classification of organisms into prokaryotic and eukaryotic done?

 

Answer:

(i)

Basic characteristics that decide about analogy and homology are:

  • Structure and origin
  • Function

(ii)

classification of organisms into prokaryotic and eukaryotic is done on the basis of presence and absence of true nucleus.

  • In prokaryotic organisms, no true nucleus is found.  
  • In eukaryotic organisms, a true nucleus is found. 

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CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo