Class 12 · Sexual Reproduction in Flowering Plants

Pollen Allergies and Plant Reproduction — NEET Biology

📚 Practice Concept
📖 NCERT Source

Pollen grains of many species cause severe allergies and bronchial afflictions in some people often leading to chronic respiratory disorders – asthma, bronchitis, etc. It may be mentioned that Parthenium or carrot grass that came into India as a contaminant with imported wheat, has become ubiquitous in occurrence and causes pollen allergy.

NCERT Biology · Class 12 · Chapter 1 · Paragraph 20
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QuestionPractice Question

In which common weed is pollen allergy widespread in India?

📖 Solution & NCERT Explanation
View solution & NCERT explanation

Correct answer: D Parthenium

Parthenium or carrot grass causes pollen allergy.

❓ Frequently Asked Questions
What does NCERT say about Pollen grains many species?
Pollen grains of many species cause severe allergies and bronchial afflictions in some people often leading to chronic respiratory disorders – asthma, bronchitis, etc. It may be mentioned that Parthenium or carrot grass that came into India as a contaminant with imported wheat, has become ubiquitous in occurrence and causes pollen allergy.
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Sexual Reproduction in Flowering Plants, Class 12 NCERT Biology.

Through deep analysis of NEET and NTA, 176 of the 180 ReNEET 2026 (June 21) questions were already in the MedicNEET question bank before the exam.

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