Question

Which of the following statement(s) is/are correct about Parthenium (carrot grass)?

• A. Parthenium came into India as a contaminant with imported wheat
• B. It has become ubiquitous in occurrence
• C. It causes pollen allergy
• D. All of the above

Hint:

Parthenium is an invasive weed introduced with imported wheat and is known for causing pollen allergy.

Answer 1

The Correct Option is D

Concept:
Parthenium hysterophorus, commonly called carrot grass, is an invasive weed. It is harmful because it spreads rapidly and causes allergic reactions in humans.

Step 1: Check statement (A).
Parthenium entered India as a contaminant with imported wheat. So, statement (A) is correct.

Step 2: Check statement (B).
It has spread widely and is now found in many places. Thus, it has become ubiquitous in occurrence. So, statement (B) is correct.

Step 3: Check statement (C).
Parthenium pollen causes allergy and respiratory problems in many people. So, statement (C) is also correct.

Step 4: Final conclusion.
Since all statements are correct: \[ \boxed{\text{All of the above}} \] Hence: \[ \boxed{\text{(D)}} \]