Question

Solarisation is
A. Formation of chlorophyll
B. Destruction of chlorophyll
C. Utilisation of sunlight
D. Effect of solar light

Answer 1

Hint: Solarization is the suppression of very high light intensity photosynthesis, mostly due to the photo-oxidation of some of the compounds involved. The photosynthesis process requires light for the production of food in plants. The light intensity needed by plants for food production is limited and both low and high light intensity contributes to an impact on the photosynthesis process in plants.

Complete answer:
Chlorophyll pigments trap sunlight during the process of photosynthesis but are lost when exposed to higher-intensity light. Even a small amount of high-light-intensity exposure can be harmful. Solarization is the deterioration of chlorophyll when high-intensity light is applied to it. As a result of irreversible chemical changes in the composition of the chlorophyll molecule, this occurs.
Solarization to decrease or complete starch disappearance after prolonged exposure of leaves to light intensity, which was originally favorable for the formation of abundant starch. However, pigments get bleached at higher sunlight intensities, and thus the process does not work efficiently. Solarization is called the suppression of photosynthesis by photo-oxidation at higher intensities. Defoliation is the premature removal of leaves from grass sections. During photosynthesis, chlorophyll pigments trap sunlight but are lost at an elevated light intensity. Holman (1930) claimed that, as used in reference to plants, according to him the term solarisation refers to a decrease or complete disappearance of starch following the long exposure of leaves to light intensity, which was initially beneficial for the formation of abundant starch. However, pigments get bleached at higher intensities and the mechanism suffers. Solarisation is called the inhibition of photosynthesis by photo-oxidation at higher intensities.
Hence, the correct answer is option B- destruction of chlorophyll.

Note: The photosynthesis process will stop due to solarization, which means that the chlorophyll will not be able to create food by transforming light into energy molecules due to the high intensity of light from the sun.