The gustatory receptors of our body are in one of the following organs. This organ is :
ear
nose
tongue
skin
Which of the following statements are true ?
(i) sudden action in response to something in the environment is called reflex action
(ii) sensory neurons carry electrical signals from spinal cord to muscles in a reflex action
(iii) motor neurons carry signals from receptors to spinal cord in a reflex action
(iv) the pathway of transmitting signals from a receptor to a muscle is a reflex action
(i) and (ii)
(i) and (iii)
(i) and (iv)
(i), (ii) and (iii)
Find out the odd one. Write down the common feature of others :
Intelligence
Hearing
Breathing
Imagination
The part of brain which controls the involuntary actions such as heart beat, breathing, blood pressure, etc. is :
pons
medulla
cerebrum
cerebellum
The number of pairs of nerves which arises from the spinal cord is :
21
31
41
51
Find out the odd one and identify the common features of others :
Dendrite
Acetyl Choline
Axon
Synaptic knob
The contraction of pupil of the eye in the presence of bright light is an example of :
Voluntary reflex
Spinal reflex
Cerebral reflex
Adrenal reflex
Which of the following helps in maintaining posture and balance of the human body ?
Select the odd one. Write the common features of others
Nephron
Dendron
One of the following acts as an endocrine gland as well as an exocrine gland. This one is :
salivary gland
pancreas
pituitary
parathyroid
