A flowering plant exhibit a papilionaceous corolla consisting of one large standard petal, two lateral wing petals, and two fused keel petals. To which of the following plant families does this characteristic belong?

Which of the following is the correct floral formula for the family Solanaceae?

When the calyx, corolla, and androecium arise from below the ovary, the flower is described as:

Match the following leaf modifications with their correct examples: a. Leaf apex modified into spines — i. Yucca b. Entire leaf modified into tendril — ii. Lathyrus aphaca c. Leaf apex modified into tendril — iii. Gloriosa d. Entire leaf modified into a spine — iv. Opuntia