Pollen grain of Amaranthus plant causes:...

Pollen grain of Amaranthus plant causes:

Typhoid

Air pollution

Water pollution

Noise pollution

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Pollen grain of which plant cause allergy?

Read the following text and answer the following questions 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. Select the odd one out with respect to wall layers of microsporangium in flowering plants.

Read the following text and answer the following questions 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. The prominent pollen grain aperture called germ pore is present in

GRB PUBLICATION-ENVIRONMENTAL ISSUES-Assertion & Reason Type Questions

Pollen grain of Amaranthus plant causes:
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