NEET Biology Online Test Evolution Set D

Page 1 of 20

Question 1

Question

Which one of the following is present today but was absent about 3.5 billion years ago ?

	Answer
	Oxygen
	Methane
	Nitrogen
	Hydrogen

NCERT Solutions
Exemplar Solutions
Printable Worksheets
Printable Assignments
Practice Worksheets
Revision Notes
Sample Papers
Question Papers
NCERT Books
Syllabus
Online Test
MCQs
HOTs Questions
VBQs
Unseen Passage

Classes

Class XII
Class XI
Class X
Class IX
Class VIII
Class VII
Class VI
Class V
Class IV
Class III
Class II
Class I

Latest NCERT & CBSE News

CBSE Jadui Pitara play-based learning

Jadui Pitara’ - a play-based learning-teaching material tailored for children between the age group of 3-8 years and Guidelines for Balvatikas (Pre-primary Education). As part of the government's commitment to enhancing the educational experience and ensuring a…

More CBSE News

Useful Links

About Us
Contact Us
Follow us on Twitter
Disclaimer
Privacy Policy
Report an Issue
Copyright Notice

Search Tutors

Search Tutors by Pin Code

Contact Us

We value your feedback and would love to hear from you for any issue. If you have a query, observation, recommendation or any issue in accessing the website. Please write to us at :

info [AT] studiestoday.com