Question

A large number of organic compounds can be decomposed by
A. Chemoorganotrophs
B. Pseudomonas
C. Acetobacter
D. Mycoplasma

Answer 1

Hint: Large chemical compounds in which atoms or carbon are covalently linked to atoms of various other elements such as hydrogen, oxygen, etc. are referred to as organic compounds. Organic compounds that are broken down by decomposers are plant and animal restudies that are present inside the soil.

Step by step answer:The organic compounds found in nature are the plant and animal residues present inside the soil. These organic compounds are broken by a large number of bacteria, fungi, animals known as decomposers.
-Chemoorganotrophs are organisms that obtain energy by the oxidation of organic compounds. These organisms use electron donors by oxidizing sugars, fats, and proteins for survival. Some examples are fungi, protists, bacteria.
-Pseudomonas is a gram-negative bacteria that is a denitrifying bacteria. They convert the nitrogen present inside the soil to atmospheric nitrogen. It results in converting the fertile soil into infertile. An example of Pseudomonas is Pseudomonas aeruginosa.
-Acetobacter is a nitrogen fixing bacteria. It has nif genes that help in converting atmospheric nitrogen into ammonia that can be easily used up by the plants. An example of acetobacter is Acetobacter aceti.
-Mycoplasma is a bacterium that lacks a cell wall. This bacterium is antibiotic resistant and is characterized as a pathogen. Examples of mycoplasma are Mycoplasma genitalium, Mycoplasma hominis, Mycoplasma pneumonia, etc.
Hence, the correct option is A. Chemoorganotrophs.

Note: The source of energy for chemoorganotrophs can be both light and chemical compounds and the source of carbon can be both organic and inorganic compounds. Chemoorganotrophs conserve their energy by two methods- fermentation and respiration.