Question

Q2.4 Based on the information given in the context, when the water reaches the top of the plant and only a small fraction is used for the process of photosynthesis, then what happens to the rest of the water?

Answer 1

Answer:   remainder passes through plants directly into the atmosphere

Explanation:   The water is the most limiting abiotic factor to plant growth and productivity, and a principal determinant of the vegetation distributions worldwide. The water's importance to the plants stems from its central role in the growth and the photosynthesis and the distribution of organic and inorganic molecules. Despite this dependence, the plants retain less percent of the water absorbed by roots for cell expansion and plant growth. The remainder passes through plants directly into the atmosphere, a process referred to as transpiration. The amount of water lost through transpiration can be incredibly high. Water is an essential component of the process of photosynthesis. It is a limiting factor as well.

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Answer 2

The rest of the water is employed for multiple functions like transport of food , healing , thermoregulation and to facilitate the many chemical reactions necessary for the plant's metabolism.  

• Water used directly within the method of chemical process for its easily consumable hydrogen ,it is used to forestall dehydration.

• The leaves of plants contain openings referred to as stomata, that get  used for the exchange of gases and taking water vapour directly from the atmosphere.

• Water is important for the chemical reactions that takes place.

• The light energy reacts with a pigment referred to as chlorophyl, and excites the electrons. The charge converts the sunshine energy into helpful plant chemicals referred to as nucleotide, conjointly called adenosine triphosphate, also known as ATP, and nicotinamide purine dinucleotide phosphate, or NADPH.

• These chemical compounds store the energy from the sunshine . Throughout the energy storage method, water molecules that are made of hydrogen and oxygen are split . The uni-electron compound hydrogen then combines with carbon dioxide with the assistance of nucleotide and NADPH, to become sugar, that is employed as energy for the plant.