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

Which plant organ shows negative phototropism?

If a potted plant is kept horizontally for a few days,in which direction does the tender stem of the plant grow?

$(a)$ Identify the phytohormone used by plants while performing the following functions:
$(i)$ Cell division in shoot tip.
$(ii)$ Inhibiting growth on approach of unfavourable conditions.
$(b)$ List in tabular form two differences between the movement in 'touch me not' plant and movement of shoot towards light.

Which of the following is not associated with the growth of a plant?

$(a)$ Give the functions of cerebellum. (any two)
$(b)$ Name the components of central nervous system.