Question

In which one of the following processes carbon dioxide does get not released?

• A. Alcoholic fermentation
• B. Aerobic respiration in plants
• C. Aerobic respiration in animals
• D. Lactate fermentation

Answer 1

The correct option is D

Lactate fermentation

The correct option is D.

Explanation for correct option:

1. Lactate fermentation is an anaerobic fermentation reaction taking place in some types of bacteria and animal cells, like muscle cells.
2. In this carbon dioxide is not released.

Explanation for incorrect options:

Option A:

1. In alcoholic fermentation, pyruvic acid is converted to ethanol by the enzyme referred to as pyruvate decarboxylase and alcohol dehydrogenase.
2. Here, decarboxylation of pyruvic acid takes place and carbon dioxide is released.

Option B:

1. Respiration in plants has carbon dioxide and water are found as the end products.

Option C:

1. Aerobic respiration in animals is the process of cellular respiration that takes place in the presence of oxygen gas to produce energy from food.
2. This type of respiration is quite common in most of plants and animals, birds, humans, and other mammals. In this process, water and carbon dioxide are formed as the end products.

Final answer: Carbon dioxide is not released in lactate fermentation.