Muscular movements of alimentarey canal are known as
peristalsis
diastole
systole
muscles contraction
First heart sound is produced during closure of
auriculo-ventricular valves
eustachian valve
sinus valve
seminular valves
In motor neuron the impulse following in which direction?
In two direction
In one drection
In all direction
None of the above
Final excretion in urine of which substance is
amino acid
urea
glucose and glycogen
uric acid
D.
uric acid
In the process of excretion, DCT or Distal Convoluted Tubule extracts the wastes like uric acid during the formation of urine. It takes place during tubular secretion or augmentation.
Fertilization in earthworm is
cross fertilization
combined fertilization
self-fertilization
All of the above