Atmosphere became oxidising with appearance of

English

Gujarati

Hindi

6.Evolution

normal

The atmosphere became oxidising with the appearance of

A

Autotrophic bacteria

B

Autotrophic cyanobacteria

C

Land plants

D

Algae

Solution

Autotrophic cyanobacteria used $H_{2}O$ to get hydrogen and release oxygen. Thus atmosphere became oxidising.

Standard 12

Biology

Share

Similar Questions

Evolutionary history of the organism is known as

normal

Most primitive living mammals which provide an evidence of organic evolution from geographical distribution are found in

normal

(AIIMS-1998)

Assertion : Jave Ape-man, Peking man and Heidelberg man are the fossils of Homo erectus.

Reason : Homo erectus evolved from Homo habilis.

normal

(AIIMS-2009)

Theory of panspermia was proposed to explain the

normal

Which of the following man possessed a cranial cavity equal to or even a bit large than that of a modern man

normal