Which is the odd one in the following series ?

Select the odd one out in the following series : Areolar tissue, Blood, Neuron, tendon

Select the odd one out in the following series : Hypopharynx: Malpighian tubules, Maxillae, Labrum

Mark the odd one in the following series. renal pelvis, medullary pyramid, renal cortex

Mark the odd one in the following series. proximal convoluted tubule, distal convoluted tubule, Henle's loop, renal corpuscle

Mark the odd one in the following series. afferent arteriole, Henle's loop, vasa recta, efferent arteriole

Mark the odd one in the following series. glomerular filtration, antidiuretic hormone, hypertonic urine, collecting duct

Which one of the following series contains electrophiles only ?

Which one of the following series includes the epigynous flowers?