What is the scientific name of Jojoba?

$A$ student was given a description of a flower: bisexual, actinomorphic, pentamerous, gamosepalous, gamopetalous, with $5$ stamens in epipetalous condition, and a bicarpellary, syncarpous, superior ovary. Which of the following is the correct floral formula for this flower?

Match the following:

Column-$I$	Column-$II$
$(i)$ Tap root	$(a)$ Sweet potato
$(ii)$ Adventitious root	$(b)$ Turnip
$(iii)$ Stem	$(c)$ Wheat
$(iv)$ Fibrous root	$(d)$ Potato

What is the approximate height reached by Eucalyptus trees?

What is the scientific name of maize?

Identify the incorrect match regarding the classification of thalamus based on the position of floral parts: