Select the odd one. Write the common features of others

Which of the following cannot be considered as a receptor ?

Cerebellum, medulla and pons are the parts of :

The brain is responsible for :

One of the following controls the peristaltic movements of alimentary canal. This one is :

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

The gap between two neurons is called a :

Which of the following helps in maintaining posture and balance of the human body ?

A cell (or group of cells) in a sense organ which is sensitive to a particular type of stimulus is called :

The number of pairs of nerves which arises from the spinal cord is :