The RNA world hypothesis proposes that RNA, not DNA, was the primary genetic material in early life. Which characteristic of RNA makes it a more plausible candidate for this role compared to DNA?

Which of the following is NOT a key feature of the Oparin-Haldane theory of the origin of life?

Which of the following is the correct sequence of events in the origin of life?

I. Formation of protobionts

II. Synthesis of organic monomers

III. Synthesis of organic polymers

IV. Formation of DNA-based genetic systems

The RNA world hypothesis proposes that RNA, not DNA, was the primary genetic material in early life. Which characteristic of RNA makes it a more plausible candidate for this role compared to DNA?

Theory of special creation arguments that:  I. all living organisms were created as such, II. the diversity was always the same since creation, III. earth is 4000 years old. Choose the right option to complete the given statement

Which stage in the origin of life is characterized by the aggregation of organic polymers into membrane-bound structures?

The …A… from the sun broke up water into hydrogen and oxygen and the …B… escaped. Oxygen combined with ammonia and methane to form …C… . CO$_2$ and others. The ozone layer was formed. As it cooled, the water vapour fell as rain, to fill all the depressions and form …D… Choose the correct option for A,B,C and D to complete the given paragraph, to NCERT textbook

RNA is hypothesized to be the first genetic material because it can:

Given below some major events in the early history of life

I. First heterotrophic prokaryotes

II. First eukaryotes

III. First autotrophic prokaryotes

IV. First animals

Choose the correct sequence of these evolutionary events

Protocells are considered a key step in the origin of life. Which of the following is NOT a characteristic typically associated with protocells?

The evolution of which metabolic process significantly altered Earth's atmospheric composition?