Which hormone of the pituitary gland causes contraction of uterine muscles during childbirth and stimulates milk ejection from the mammary glands in females?

Which hormone is produced by the pancreas?

State whether the following statement is true or false: The pituitary gland secretes growth hormone.

Which of the following statements are true?
$(i)$ Sudden action in response to something in the environment is called reflex action.
$(ii)$ Sensory neurons carry signals from the spinal cord to muscles.
$(iii)$ Motor neurons carry signals from receptors to the spinal cord.
$(iv)$ The path through which signals are transmitted from a receptor to a muscle or a gland is called a reflex arc.

$(a)$ Define reflex arc. Draw a flow chart showing the sequence of events which occur during sneezing.
$(b)$ List four plant hormones. Write one function of each.

What type of movement is shown by $Mimosa$ $pudica$ (touch-me-not) plant leaves when touched with a finger?