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Read the following text and answer the following question on the basis of the same:
A typical anther is bilobed. It is a tetragonal structure consisting of four microsporangia. These microsporangia form pollen sac which on maturity gets filled with a pollen grains. Pollen grains represent the male gametophytes, their cell wall is very hard. Pollen grains of many species cause severe allergies which cause various diseases in human beings.
Which among the following is a major cause of pollen allergy in India?
(A) Mirabilis
(B) Myosotis
(C) Parthenium
(D) Pistia
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Option (C) is correct.
Parthenium is a invasive species in India, and its is also known as carrot grass or congress grass which is the major cause of allergy in India, the parthenium weed produces as much as 3,000 million pollen grains per square meter during the flowering season.
Parthenium is a invasive species in India, and its is also known as carrot grass or congress grass which is the major cause of allergy in India, the parthenium weed produces as much as 3,000 million pollen grains per square meter during the flowering season.
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| Question Text | Read the following text and answer the following question on the basis of the same: A typical anther is bilobed. It is a tetragonal structure consisting of four microsporangia. These microsporangia form pollen sac which on maturity gets filled with a pollen grains. Pollen grains represent the male gametophytes, their cell wall is very hard. Pollen grains of many species cause severe allergies which cause various diseases in human beings. Which among the following is a major cause of pollen allergy in India? (A) Mirabilis (B) Myosotis (C) Parthenium (D) Pistia |
| Topic | Sexual Reproduction in Flowering Plants |
| Subject | Biology |
| Class | Class 12 |
| Answer Type | Text solution:1 |
| Upvotes | 98 |
