Mark the odd one in each series

cbse
organisation-animals

#1

Mark the odd one in each series
(i) Exocrine; endocrine; salivary gland; ligament
(ii) Maxilla; mandible; labrum; antenna
(iii) Protonema;mesothorax;metathorax;coxa


#2

(i) Ligament (ii) Antenna (iii) Protonema