AP BIOLOGY

PLANTS

THE LEAF

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Excess water taken through plants is released into the air in the form of water vapour through stomata is called ____ .
A
Transpiration
B
Stomata
C
Lamina
D
Water vapour
Explanation: 

Detailed explanation-1: -Evapotranspiration also includes transpiration, which is the water movement from the soil to the atmosphere via plants. Transpiration occurs when plants take up liquid water from the soil and release water vapor into the air from their leaves.

Detailed explanation-2: -Water is transient in plants. Less than 1 per cent of the water reaching the leaves is used in photosynthesis and plant growth. Most of it is lost through the stomata in the leaves. This water loss is known as transpiration.

Detailed explanation-3: -Loss of water in the form of vapours, from the aerial parts (organs) of living plants, is known as Transpiration.

Detailed explanation-4: -The water eventually is released to the atmosphere as vapor via the plant’s stomata-tiny, closeable, pore-like structures on the surfaces of leaves. Overall, this uptake of water at the roots, transport of water through plant tissues, and release of vapor by leaves is known as transpiration.

Detailed explanation-5: -Stomatal Transpiration It is the evaporation of water from the stomata of the plants. Most of the water from the plants is transpired this way. The water near the surface of the leaves changes into vapour and evaporates when the stomata are open.

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