Which of the following is $NOT$ a characteristic of dicotyledons?

The correct floral formula of soybean is

Aestivation of petals in the flower of cotton is correctly shown in

Consider the following four statements $(i), (ii), (iii)$ and $(iv)$ and select the right option for two correct statements.
Statements:
$(i)$ In vexillary aestivation,the large posterior petal is called standard,two lateral ones are wings and two small anterior petals are termed keel.
$(ii)$ The floral formula for Liliaceae is $\oplus \text{ } \text{O}\mkern-11mu{^\nearrow} \text{ } P_{(3+3)} A_{3+3} \underline{G}_{(3)}$.
$(iii)$ In pea flower,the stamens are monadelphous.
$(iv)$ The floral formula for Solanaceae is $\oplus \text{ } \text{O}\mkern-11mu{^\nearrow} \text{ } K_{(5)} C_{(5)} A_{5} \underline{G}_{(2)}$.
The correct statements are:

Where will you get spiny stipules for protection against grazing animals?

Which of the following species is used to obtain both edible oil and fibers?