Most herbicide interfere with :a)Water absorptionb)Translocation of sugarc)Photolysis of waterd)CO2 absorption Correct answer is option 'C'. Can you explain this answer?

Question

Answer

A large number of different herbicide classes inhibit photosynthesis by binding to the quinone-binding protein, D-1, to prevent photosynthetic electron transfer. Mostly they interfere with photolysis of water. Herbicides does not interfere with water absorption, translocation of sugar and CO₂ absorption.

Answer

A large number of different herbicide classes inhibit photosynthesis by binding to the quinone-binding protein, D-1, to prevent photosynthetic electron transfer. Mostly they interfere with photolysis of water.  Herbicides does not interfere with water absorption, translocation of sugar and CO2​ absorption. so, other options are wrong.so op C.

Answer

The correct answer is option 'C': Photolysis of water.

Explanation:
Herbicides are chemicals used to control or kill unwanted plants, commonly known as weeds. They interfere with specific physiological processes in plants, which eventually lead to their death. One of the main targets of herbicides is the process of photosynthesis, which is crucial for plant growth and survival.

1. Photosynthesis:
Photosynthesis is a complex biochemical process that takes place in the chloroplasts of plant cells. It involves the conversion of light energy into chemical energy, which is stored in the form of glucose. During photosynthesis, water molecules are split into hydrogen and oxygen through a process called photolysis of water. The oxygen is released into the atmosphere, while the hydrogen is used to produce energy-rich molecules.

2. Effect of Herbicides:
Herbicides interfere with various stages of photosynthesis, including the photolysis of water. They disrupt the photosynthetic electron transport chain, which is responsible for generating the energy needed for plant growth. By inhibiting the photolysis of water, herbicides prevent the release of oxygen and disrupt the production of energy-rich molecules.

3. Mechanism of Action:
Different herbicides have different modes of action, but many herbicides interfere with the photosynthetic process. They may disrupt the electron transport chain by inhibiting specific enzymes or blocking essential protein complexes involved in photosynthesis. This disruption ultimately leads to a decrease in the production of ATP (energy) and other important molecules required for plant growth.

4. Consequences:
When the process of photolysis of water is inhibited by herbicides, plants are unable to produce sufficient energy to support their metabolic processes. This leads to a gradual decline in plant health and ultimately, death. The weeds targeted by herbicides are unable to survive without proper photosynthetic activity.

In conclusion, herbicides interfere with the process of photosynthesis in plants, including the photolysis of water. By disrupting this essential process, herbicides prevent the release of oxygen and inhibit the production of energy-rich molecules, leading to the death of unwanted plants or weeds.

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