Question

Mark the odd one in each series: 

1. Areolar tissue, blood, neuron, tendon 

2. RBC, WBC, platelets, cartilage

3. Exocrine, endocrine, salivary gland, ligament 

4. Maxilla, mandible, labrum, antennae 

5. Protonema, mesothorax, metathorax, coxa

Answer 1

1. Neuron is not a connective tissue 

2. Cartilage is not part of blood 

3. Ligament is not part of gland 

4. Antennae is not a masticating part of cockroach 

5. Protonema is thread like chain of cells, all others are about morphological structure of cockroach.