Question

Four important events given below may have led to the origin of life on the earth.
(I) Formation of amino acids and nucleotides.
(II) Availability of water.
(III) Organization of cells.
(IV) Formation of complex molecules.
Select the correct sequence of events.

• A. I, II, III and IV
• B. II, I, IV and III
• C. I, IV, II and III
• D. II, III, I and IV

Answer 1

The correct option is B II, I, IV and III

According to Oparin Haldane theory, regarding the origin of life on earth, there were many events that led to the formation of the cell. Those events occurred in the following sequence.

II→ Availability of water resulted in the production of aggregates leading to I→ The formation of amino acids and nucleotides. IV→ These amino acids and nucleotides came together to form the complex molecules. III→ The complex molecules contributed to the organization of the cell.