Option B- They play a minor role in biological and geo-chemical cycles is the right answer.
Marine microbes are tiny, single-celled organisms that live in the ocean. They play a major role in biological and geo-chemical cycles.
The correct answer is: D. Alcohol fermentation
Alcohol fermentation is a form of anaerobic where the simple sugars such as glucose or fructose are converted into energy (ATP) and the products of this reaction are ethanol and carbon dioxide. Alcohol mechanism is performed by yeast and some fishes. This is a mechanism used for the production of alcoholic beverages.
Rafflesia arnoldii, the corpse flower or giant padma, is a species of flowering plant in the parasitic genus Rafflesia. It is noted for producing the largest individual flower on Earth. It has a strong and unpleasant odor of decaying flesh. It is native to the rainforests of Sumatra and Borneo.