Read the assertion and reson carefully to mark the correct option out of the options given below:
Assertion : Medulla oblongata causes reflex actions like vomiting, coughing and sneezing
Reason : It has many nerve cells which control autonomic reflexes.

Options

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and the reason are true but the reason is a not correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false

Answer

A

Explanation

Medulla oblongata consists of accumulation of nerve cells act as vital centres of many autonomic reflexes like vomiting. Coghing and sneezing.