The movement of shoot towards light is

Which type of movement is responsible for the response to external stimuli seen in $Mimosa$ (touch-me-not plant)?

Involuntary actions in the body are controlled by:

What is a tropic movement? Explain with an example.

Tendrils encircle or coil around the object in contact with it. Elaborate.

Answer the following:
$(i)$ Name the endocrine gland associated with the brain.
$(ii)$ Which gland secretes digestive enzymes as well as hormones?
$(iii)$ Name the endocrine gland associated with the kidneys.
$(iv)$ Which endocrine gland is present in males but not in females?
$(v)$ Which hormone is responsible for changes in females during puberty?
$(vi)$ Iodine is necessary for the synthesis of which hormone?