Question

Match List I with List II
\includegraphics[width=0.45\linewidth]{114.png
Choose the correct answer from the options given below:}

• A. A-V, B-IV, C-III, D-I
• B. A-IV, B-V, C-I, D-II
• C. A-V, B-IV, C-II, D-I
• D. A-III, B-IV, C-I, D-V

Hint:

Remember: "Monocarpic" = Entire plant dies once. "Deciduous" = Only leaves fall, tree survives.

Answer 1

The Correct Option is B

Step 1: Understanding the Concept:
Senescence is the final stage of development that leads to the death of cells, organs, or whole plants. Leopold classified senescence into four types based on the pattern of die-back in different plant species.

Step 2: Detailed Explanation:
- A. Overall (Monocarpic) Senescence: The entire plant dies after flowering and seed production. This is characteristic of annuals like Wheat and Rice. (Match with IV).
- B. Progressive Senescence: Senescence moves gradually from older parts to younger parts as the plant continues to grow. This is common in plants like Tobacco or determinate perennials where lower leaves yellow as higher ones develop. (Match with V).
- C. Top Senescence: The above-ground parts (shoots) die back periodically, usually after flowering or at the end of the growing season, but the underground parts (roots, bulbs) survive. This occurs in many herbaceous perennials like Sugarbeet. (Match with I).
- D. Deciduous (Organ) Senescence: Senescence and abscission occur in specific organs (usually leaves) while the rest of the plant remains alive. This is seen in trees like Gulmohar or Oak during autumn. (Match with II).
Combining these: A-IV, B-V, C-I, D-II.

Step 3: Final Answer:
The correct matching sequence is A-IV, B-V, C-I, D-II.