Question

Match List I with List II
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Choose the correct answer from the options given below:

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

Hint:

To remember the vegetative organs:
- Cyperus is famous for its hard underground Tubers (nutlets).
- Allium (wild onion/garlic) always propagates via Bulbs.

Answer 1

The Correct Option is A

Step 1: Understanding the Concept:
Many perennial weed species propagate vegetatively using specialized underground or creeping modified stems.
These vegetative organs allow them to survive tillage, winter dormancy, and chemical control.
Detailed Explanation:
Let us match each vegetative organ with its corresponding weed species:
- A. Tuber: Tubers are swollen underground stems used for nutrient storage.
Purple nutsedge (Cyperus rotundus) propagates extensively through a network of underground tubers and rhizomes.
This matches with IV. Cyperus rotundus.
- B. Rhizomes: Rhizomes are horizontal underground stems that grow horizontally.
Quackgrass (Elytrigia repens, formerly Agropyron repens) propagates primarily through aggressive, creeping underground rhizomes.
This matches with III. Elytrigia repens.
- C. Stolons: Stolons are horizontal, above-ground stems (runners) that root at the nodes.
White clover (Trifolium repens) spreads along the soil surface using stolons.
This matches with I. Trifolium repens.
- D. Bulb: Bulbs are underground storage structures consisting of fleshy, layered leaves.
Wild garlic (Allium vineale) propagates using underground bulbs and aerial bulblets.
This matches with II. Allium vineale.
Combining these pairs yields the sequence: \[ \text{A - IV}, \ \text{B - III}, \ \text{C - I}, \ \text{D - II} \] This matches Option (A).

Step 2: Final Answer:
The correct matching sequence is A - IV, B - III, C - I, D - II.