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Pollen allergy that causes chronic respi...

Pollen allergy that causes chronic respiratory disorders in men like asthma and bronchitis. Name the causative plant.

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Parthenium or Carrot grass
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Assertion: Pollen grains of many species cause severe allergies and bronchial afflictions in some people leading to acute respiratory disorders- asthma, bronchitis, etc. Reason: In some members of Rosaceae, Leguminoseae and Solanaceae, pollen grains lose viability within 30 minutes of their release.

Asthma and emphysema are two disorders of the human respiratory system. Mention their causes and symptoms.

MAXIMUM PUBLICATION-SEXUAL REPRODUCTION IN FOLLOWING PLANTS-EXERCISE
  1. Some peoples live in area are subjected to allergic disease due to pol...

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  2. Typical angiosperm embryo sac is 7 celled and 8 nucleate. This conditi...

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  3. Pollen allergy that causes chronic respiratory disorders in men like a...

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  4. Some pollen grains cannot germinate on stigmatic surface due to the lo...

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  5. Some pollen grains cannot germinate on stigmatic surface due to the lo...

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  6. Pollen tube growth occurs through the stylar region and reach micropyl...

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  7. Pollen grains of many plants are found to be allergic. Do they have ...

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  8. Pollen grains of many plants are found to be allergic. Give examples...

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  9. Zygote development leads to the formation of embryo. Name the nutrit...

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  10. Zygote development leads to the formation of embryo. What will be th...

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  11. Suppose you are the given four flowers namely maize, vallisneria, sunf...

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  12. A close relationship exist between a species of moth and the plant Yuc...

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  13. Coconut and groundnut are oil yielding crops. Point out the difference...

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  14. Seeds are formed in angiosperms when male and female gametes get fused...

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  15. Seeds are formed in angiosperms when male and female gametes get fused...

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  16. In market, seedless grapes are high priced than seeded grapes. Give th...

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  17. Plant A with combined desired characters that are inherited from paren...

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  18. If the diploid chromosome number of a plant is 24. Find out the number...

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  19. Pollination is aided by biotic and abiotic agents. Identify the type o...

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  20. Give the technical terms for the following Produce seeds without fer...

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