Question

Match List - I with List - II.

List - I	List - II
A. Ustilago avenae B. Ustilago cynodontis C. Ustilago hordei D. Ustilago nuda	I. Loose smut on wheat II. Loose smut on oats III. Loose smut on doob grass IV. Covered smut on barley

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

Hint:

Ensure each fungus is matched with its correct plant host disease to avoid confusion.

Answer 1

The Correct Option is A

Step 1: Concept
Matching fungal species with their respective plant diseases.

Step 2: Meaning
The question requires knowledge of specific fungal species and the plant diseases they cause. Ustilago fungi are known to cause smut diseases in various cereal crops and grasses.

Step 3: Analysis
A) A-II, B-III, C-IV, D-I is correct because: - Ustilago avenae causes loose smut on oats (II). - Ustilago cynodontis causes loose smut on doob grass (III). - Ustilago hordei causes covered smut on barley (IV), not loose smut. - Ustilago nuda causes loose smut on wheat (I).

Step 4: Conclusion
The correct matches are A-II, B-III, C-IV, D-I. Final Answer: (A)