Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEETZoologyEvolution

What did lobefins evolve into?

Options

  1. AReptiles
  2. BDinosaurs
  3. CAmphibians
  4. DBirds

Correct answer

C. Amphibians

Step-by-step solution

About 2000 million years ago (mya) the first cellular forms of life appeared on earth. The mechanism of how non-cellular aggregates of giant macromolecules could evolve into cells with membranous envelop is not known. Some of these cells had the ability to release O2. The reaction could have been similar to the light reaction in photosynthesis where water is split with the help of solar energy captured and channelised by appropriate light harvesting pigments. Slowly single-celled organisms became multicellular life

Practice Evolution on Quantrex Academy →

More from Evolution

Evolution of human appears parallel to the progressive development of brain and language skills. As such, the evolution of individual species in the sequence of their appearance is 2026Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R . Assertion A : Forelimbs of human and bats are homologous. Reason R : Forelim 2026Which of the following is not evidence for evolution ? 2026Sweet potato and potato represent a certain type of evolution. Select the correct combination of terms to explain the evolution. 2025Coacervates were discovered by 2019Which one is the oldest in following? 2019Following are the two statements regarding the origin of life. I. The earliest organisms that appeared on the earth were non-green and presumably an aerobes. II. The first autotrop 2017Variation in gene frequencies within population can occur by chance rather than by natural selection. This is reffered to as 2017 Full Evolution list All NEET PYQs