Evolution: Class 12 Biology (CBSE) important questions and practice
Evolution is chapter 6 of 13 in CBSE Class 12 Biology. Below are the topics the paper draws from, the question types that come up again and again, and a free practice test on this chapter alone.
Topics in this chapter
- Origin of life: Oparin-Haldane theory and the Miller-Urey experiment
- Evidences of evolution: homologous and analogous organs, fossils, industrial melanism
- Darwin's theory of natural selection and adaptive radiation
- Hardy-Weinberg principle and factors affecting it
- Mechanism of evolution: mutation, genetic drift, founder effect
- Human evolution: Dryopithecus to Homo sapiens
What examiners usually ask
- Describe the Miller-Urey experiment and what it demonstrated
- State the Hardy-Weinberg principle and list the five factors that affect genetic equilibrium
- Differentiate between homology and analogy with two examples each
Exam tip
Write the equation p^2 + 2pq + q^2 = 1 and name the five disturbing factors (gene flow, genetic drift, mutation, recombination, natural selection); homology versus analogy examples (forelimbs vs wings of butterfly and bird) are asked nearly every year.
Evolution on other boards and exams
Frequently asked questions
What are the important questions from Evolution for CBSE Class 12?
The question types listed above repeat most often in CBSE Class 12 Biology papers for this chapter. Practise them with the chapter test and then attempt them inside a full previous-year paper under time.
Is Evolution in the CBSE Class 12 Biology syllabus?
Yes. Evolution is part of the current CBSE Class 12 Biology syllabus, as listed on this site from the prescribed textbook.
Can I practise Evolution MCQs in Hindi?
Yes. The chapter test and explanations are available in Hindi and English, with an AI doubt solver for any question.