The part of the brain where the centre for hunger and thirst is located is
cerebrum
hypothalamus
cerebellum
medulla oblongata
The reflex arc, which is made of two neurons is known as
monosynaptic reflex arc
disynaptic reflex arc
polysynaptic reflex arc
asynaptic reflex arc
A.
monosynaptic reflex arc
Reflex arc is the arrangement of neurons in the pathway that always passes through central nervous system. The axon of one neuron ends on the dendrites of next neuron. Such a junction is called synapse. Monosynaptic reflex arc has only two neurons, ie, sensory and motor which forms one synapse.
In 24 hours, total glomerular filtrate formed in human kidney is
1.7 litres
7 litres
17 litres
170 litres
When the oxygen supply to the tissue in inadequate, the condition is
dyspnea
hypoxia
asphyxia
apnea
Which one of the following is not a second messenger in hormone action?
Calcium
Sodium
cAMP
cGMP
What is a genophore?
DNA in prokaryotes
DNA and RNA in prokaryotes
DNA and protein in prokaryotes
RNA in prokaryotes