State whether the following statement is true or false: Abscisic acid inhibits growth.

What are voluntary and involuntary actions? Give one example of each.

The movement of sunflower in accordance with the path of sun is due to

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

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.

Dwarfism results due to