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Loss of water from the tips of leaves is called as
(a) Bleeding
(b) Guttation
(c) Respiration
(d) Transpiration

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Last updated date: 15th Jul 2024
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Answer
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Hint: The substances that are emitted through exudation are called exudates.
Plant cells commonly utilize nutrients like sugars, amino acids and fatty acids for the process of cellular respiration.

Complete Answer:
Bleeding or exudation is the process of emission of fluids from pores or wounds on the plant. These exudates emitted by plants include substances like latex, resin, saps and gums. Nectar released by some plants is sometimes considered to be a plant exudate. Seeds of various plants bleed out some substances into the region between the germinating seed and the soil. This region is called the spermosphere. Roots of some plants exudate into the rhizosphere of the soil.
Cellular respiration is the process of conversion of chemical energy received from the oxygen in the cells into Adenosine triphosphate (ATP) and the release of metabolic waste from the cell after undergoing this conversion of energy.
Transpiration is the process of evaporation of water from the aerial parts of a plant. These aerial parts may consist of leaves, roots, stems and flowers. Only a small amount of water is used by the roots for growth and metabolism of the plant.
Guttation is the process of exudation of water droplets from the tips of leaves in vascular plants through special pores called hydathodes.

Therefore, the loss of water from the tips of leaves is called guttation. Hence, the correct option is (b) Guttation.

Note:
$99\%$ of the water is lost by the plant through the process of guttation of transpiration.
The most common oxidizing agent for cellular respiration is oxygen. Molecular oxygen provides most of the chemical energy required for cellular respiration.