Question : Excess amount of absorbed water by plants is liberated out by :
Option 1: Evaporation
Option 2: Osmosis
Option 3: Diffusion
Option 4: Transpiration
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Correct Answer: Transpiration
Solution : The correct option is Transpiration.
Excess water collected by plants is mostly released or expelled by a process known as transpiration. Water is pulled up from the roots of plants, passes through the plant's vascular system (xylem), and finally evaporates into the atmosphere through tiny apertures in the leaves. The evaporation of water from the leaves causes a negative pressure or tension in the xylem, which aids in the removal of additional water from the roots. Transpiration is essential for water and nutrient transfer throughout the plant.
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Question : In plants water is absorbed by the root hairs by a proces called :
Option 1: Transpiration
Option 2: Respiration
Option 3: Perspiration
Option 4: Osmosis
Question : A mixture of water and alcohol can be separted by
Option 1: Filtration
Option 2: Evaporation
Option 3: Decantation
Option 4: Distillation
Question : Which of the following steps is not involved in a water cycle?
Option 1: Hydration
Option 2: Condensation
Option 3: Precipitation
Option 4: Evaporation
Question : _______forces water through a semipermeable membrane and removes contaminants.
Option 1: Boiling
Option 2: Distillation
Option 3: Reverse Osmosis
Option 4: Filtration
Question : Hydroponics is a method of culturing plants without using:
Option 1: water
Option 2: light
Option 3: sand
Option 4: soil
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