Question

the increase in gyri and sulci in cerebrum increase the intelligence in human.justify the statement.

Answer 1

Gyri means creases and sulci means the folds on the cerebrum of our brain. More these structure means an increase in the surface area of the neural network, that is, number of neurons contained in the brain which increases the brain associativity including intelligence.
Fun fact: Women have more folds in their brain than males.
Hope this helps as I am new to Brainly.