Get Answers to all your Questions

header-bg qa

Based on the given below diagram of the brain, select the option that correctly represents the function of the labeled structure 'A'.

Option: 1

It forms a connection between the first ventricle and the second ventricle.


Option: 2

It serves as a relay center within the brain.


Option: 3

It consists of nerve fibers that connect the two cerebral hemispheres.


Option: 4

It plays a role in regulating the fundamental rhythm of inhalation and exhalation.


Answers (1)

best_answer

'A' represents the corpus callosum, which is a bundle of nerve fibersThe corpus callosum is a structure in the brain that connects the left and right hemispheres. It is made up of a bundle of nerve fibers that allow communication and coordination between the two sides of the brain. Hence, the correct answer is option 3. 

Explanation for incorrect options 

Option 1 is incorrect because The Foramen of Monro connects the first ventricle and second ventricle to the third ventricle.

Option 2 is incorrect because The thalamus acts as a relay center for sensory and motor signals between the cerebral cortex and other parts of the brain.

Option 4 is incorrect because The medulla regulates cardiovascular reflexes, gastric secretion, and respiration.

Posted by

Gautam harsolia

View full answer

NEET 2024 Most scoring concepts

    Just Study 32% of the NEET syllabus and Score up to 100% marks