The substance that triggers the fall of mature leaves and fruits from plants is due to

Which hormone is produced by the pancreas?

Name the plant hormone responsible for the promotion of cell division.

"Nervous and hormonal systems together perform the function of control and coordination in human beings." Justify the statement.

Which of the following statements are true about the brain?
$(i)$ The main thinking part of the brain is the hindbrain.
$(ii)$ Centres of hearing,smell,memory,sight,etc.,are located in the forebrain.
$(iii)$ Involuntary actions like salivation,vomiting,and blood pressure are controlled by the medulla in the hindbrain.
$(iv)$ The cerebellum does not control posture and balance of the body.

Which of the following is the correct match between List-$I$ and List-$II$?

List-$I$	List-$II$
$1$. Ovary	$a$. Insulin
$2$. Testis	$b$. Thyroxine
$3$. Pancreas	$c$. Testosterone
$4$. Thyroid gland	$d$. Estrogen