Write true or false for the statement: Symptoms of goitre lead to swelling in the abdomen.

Which of the following pairs is $NOT$ correctly matched?

$(i)$ Differentiate between sensory neurons and motor neurons.
$(ii)$ How is the brain protected in our body?
$(iii)$ Name the part of the brain responsible for the precision of voluntary actions and maintaining body posture and balance of the body.

Give the scientific names of the following regions of the human brain:
$(i)$ Region for sight.
$(ii)$ Region which controls salivation.

Why is the flow of signals in a synapse from the axonal end of one neuron to the dendritic end of another neuron,but not in the reverse direction?

Which plant organ shows negative phototropism?