निम्नलिखित में से कौन सा पौधे की रूपांतरित जड़ों का एक युग्म है?

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