Which of the following are cerebral reflexes ?
a person pulls away his hand on touching a hot object
a person spits out immediately when a fly enters his mouth while talking
a person walking bare foot lifts his foot at once on stepping on to a nail
a person's pupil contracts at once in the presence of bright light
(i) and (ii)
(ii) and (iii)
(iii) and (iv)
(ii) and (iv)
One of the following controls the peristaltic movements of alimentary canal. This one is :
cerebrum
cerebellum
pons
medulla
The olfactory receptors in humans are located in :
eyes
tongue
ears
nose
One of the following acts as an endocrine gland as well as an exocrine gland. This one is :
salivary gland
pancreas
pituitary
parathyroid
The gap between two neurons is called a :
dendrite
synapse
axon
impulse
Cerebellum, medulla and pons are the parts of :
mid-brain
hind-brain
forebrain
spinal cord
The brain is responsible for :
thinking
regulating the heart beat
balancing the body
all of the above
Find out the odd one and identify the common features of others :
Dendrite
Acetyl Choline
Axon
Synaptic knob
The part of brain which controls the involuntary actions such as heart beat, breathing, blood pressure, etc. is :
Select the odd one. Write the common features of others
Nephron
Dendron