Exams › NEET › Biology

Identify the correct sequence in which the following substances have appeared during the course of evolution of life on earth.

1. Glucose, amino acids, nucleic acids, proteins
2. Ammonia, amino acids, proteins, nucleic acids
3. Water, amino acids, nucleic acids, enzymes
4. Amino acids, ammonia, phosphates, nucleic acids

Correct answer: Ammonia, amino acids, proteins, nucleic acids

Solution

In chemical evolution, simple molecules like ammonia were available first and helped form amino acids. These amino acids later linked into proteins, and nucleic acids appeared after that as more complex informational molecules.

Related NEET Biology questions

• The most nearest prehistoric ancestor of present man may be
• Dryopithecus is considered to be
• Ancestors of colostomies are
• The concept that population tends to increase geometrically while food supply increases arithmetically was put forward by
• First life on earth was
• Embryological support for evolution was disapproved by

⚔️ Practice NEET Biology free + battle 1v1 →