The answer is: Abscisic acid.
<span>The condition of not being able to speak is called aphasia. Aphasia is an inability to comprehend language because of damage brain caused by the low supply of blood to the brain. People having this may not just lose their ability to speak but also the ability to read and write. </span>
Answer:
Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems and flowers. Water is necessary for plants but only a small amount of water taken up by the roots is used for growth and metabolism. The remaining 97–99.5% is lost by transpiration and guttation.
Answer:
immediate hypersensitivity is a correct answer.
Explanation:
Allergy to pollen is classified as immediate hypersensitivity.
Immediate hypersensitivity is a type I hypersensitivity induced by an antigen called allergens like dust, pollen grains, etc.
Immediate hypersensitivity is a type of allergic reaction.
It occurs through the exposure to allergen by inhalation, through direct contact or by ingestion.
Thus Allergy to pollen is classified as immediate hypersensitivity and it is IgE mediated allergic reaction.