Why Kaysons ?
Video lectures
Access over 500+ hours of video lectures 24*7, covering complete syllabus for NEET preparation.
Online Support
Practice over 30000+ questions starting from basic level to NEET.
Live Doubt Clearing Session
Ask your doubts live everyday Join our live doubt clearing session conducted by our NEET experts.
National Mock Tests
Get familiar with the question pattern for NEET Exam by attempting our National mock tests.
Organized Learning
Using our study planner and proper planning out complete syllabus is the key to get a decent rank in NEET. So, we help you prioritize all subjects equally and prepare effectively.
Test Series/Daily assignments
Give tests to analyze your progress and evaluate where you stand in terms of your NEET preparation.
SPEAK TO COUNSELLOR ? CLICK HERE
Chapter 1: Evolution
Introduction:
Evolutionary biology is the study of history of life forms on the Earth. To understand the evolution in flora and fauna over a period of millions of years on the earth, we must understand the origin of the beginning with the evolution of the earth, of stars, and the universe itself. Origin of life is believed to be a unique event in the history of universe. The Big Bang Theory attempts to explain to us the again of universe.
Chapter Analysis:
A lot of questions have been asked in the past two papers from this chapter with 4 in the later one and 3 in the former one. However, in 2017, no questions were asked. Also, in 2013 and 2012, 4 questions were asked in both the year. A total of 26 questions were asked in the past 11 years. So, we can atleast expect 2-4 questions in the coming years. The below given graph illustrates the number of questions asked from this chapter in the previous years:
| Year | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Number | 1 | 1 | 1 | 4 | 4 | 2 | 1 | 3 | 0 | 3 | 4 |
The important topics to cover from this chapter are: • Biological Evolution and Evidences for Biological Evolution • Darwin’s Contribution • Mechanisms of Evolution – Variation and Natural Selection with examples and types of natural selection. • Gene Flow and Genetic Drift • Hardy-Weinberg’s Principle