PDF chapter test TRY NOW

In the given exercise, an Assertion is followed by the corresponding Reason. Mark the suitable answer from the given options:  
1.
Assertion:Thinking is a complex process, so it is bound to involve complicated interactions of nerve impulses from many neurons.
Reason:Thinking tissue consists of dense network of intricately arranged neurons.
2.
Assertion:The input and output nerves first meet each other at spinal cord.
Reason:Nerves from all over the body meet in a bundle in spinal cord on their way to the brain.