CBSE Class 12 Biology Evolution Question Bank

Official CBSE Study Materials for Class 12 Biology

Access comprehensive study materials and useful resources for Chapter 06 Evolution using the CBSE Class 12 Biology Evolution Question Bank. Designed to align with the 2026-27 CBSE academic guidelines, these advanced resources help Class 12 Biology students reinforce core concepts beyond standard textbooks.

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CBSE Class 12 Biology Evolution Question Bank. There are many more useful educational material which the students can download in pdf format and use them for studies. Study material like concept maps, important and sure shot question banks, quick to learn flash cards, flow charts, mind maps, teacher notes, important formulas, past examinations question bank, important concepts taught by teachers. Students can download these useful educational material free and use them to get better marks in examinations.  Also refer to other worksheets for the same chapter and other subjects too. Use them for better understanding of the subjects.

BIOLOGY
 1 Mark Questions
1. Identify the examples of convergent evolution from the following:
(a) Flippers of penguins and dolphins.
(b) Eyes of octopus and mammals
© Vertebrate brains
2. What did Louis Pasteur's experiments on 'killed yeast' demonstrate? Name the theory that got disproved on the basis of his experiment.
3. Coelacanth was caught in 1938 in South Africa. Why is it very significant in the evolutionary history of vertebrates?
4. List the two characteristics of mutation that help in explaining evolution according to De Vries.
5. Why are lichens regarded as pollution indicators?
6. Pick out the ancestral line of Angiosperms from the list give below: Conifers, Seed ferns, Cycads, Ferns.
7. Mention the type of evolution that has brought the similarity as seen in potato tuber and sweet potato.
 2 Marks Questions
1. List the two main propositions of Oparin and Haldane
2. How does paleontological evidence support evolution of organisms on Earth?
3. What does the comparison between the eyes of Octopus and those of mammals say about their ancestry and evolution?
4. Categories the following pairs of examples as convergent or divergent evolutions:
(a) Eyes of octopus and mammals.
(b) Wings of butterfly and birds.
(c) Tuber of sweet potatoes and potato.
(d) Thorns in bougainvillea and tendrils in cucurbits.
5. How do Darwin's finches illustrate adaptive radiation?
6. How does fitness of a population help in evolution?
7. How is generic drift different from gene migration? Explain.
3 Marks Questions
1. State the theory of abiogenesis. How does miller's experiment support this theory?
2. Evolution is the change of gene frequencies in a population in response to changes in environment in the time scale of years and not enturies. Justify the statement with reference to DDT.How does the theory of Hugo de varies support this?
3. How did Darwin theory of natural selection explain the appearance of new forms on the earth?
4 Marks Question
1 a) How does hardy Weinberg equation explain the genetic equilibrium?
b)Describe hoe this equilibrium gets disturbed which may lead to founder effect.
Value based Question
2. The giant squirrel (Ratufaindica) occurs along the west coast. The population living in moist deciduous forests of Maharashtra has light brown fur, the population living in the dry deciduous forests of Gujarat has a yellow fur and of living in the wet evergreen forest of Kerala has chocolate brown fur.
a) Give reasons for the difference in the fur color of the squirrels.
b) How would you justify that despite these differences they all belong to same species?
c) What value is indicated in this?

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Free study material for Biology

CBSE Class 12 Biology Study Material: Chapter 06 Evolution

Core Study Kit: Class 12 Biology Chapter 06 Evolution

Explore essential learning tools for Class 12 Biology Chapter 06 Evolution. This curated collection features in-depth notes and targeted practice questions built around the active 2026 curriculum to streamline your daily revision.

NCERT-Aligned Solutions for Chapter 06 Evolution

Built using official NCERT guidelines for Class 12 Biology, these materials provide reliable academic support. Integrating past examination questions and step-by-step solutions helps students understand official CBSE grading criteria.

Next Steps in Your Exam Preparation

For peak performance in upcoming evaluations, integrate official Biology sample papers directly into your study schedule. Follow up your revision by attempting online MCQ tests for Chapter 06 Evolution to refine calculation speed and precision.

FAQs

What is included in the advanced study material for Class 12 Biology Chapter 06 Evolution?

Our advanced study package for Chapter 06 Evolution includes detailed concepts, diagrams, Mind Maps, and explanation of complex topics to ensure Class 12 students learn as per syllabus for 2026 exams.

How do Mind Maps for Biology Chapter 06 Evolution help in revision?

The Mind Maps provided for Chapter 06 Evolution act as visual anchors which will help faster recall during high-pressure exams.

Are these Biology resources suitable for both classroom teaching and self-study?

Yes, teachers use our Class 12 Biology resources for lesson planning as they are in simple language and have lot of solved examples.

Is this advanced study material for Chapter 06 Evolution free to download in PDF?

Yes, You can download the complete, mobile-friendly PDF of the Biology Chapter 06 Evolution advanced resources for free.

Does this material cover rationalized content for the 2026-27 CBSE session?

Yes, our subject matter experts have updated the Chapter 06 Evolution material to align with the rationalized NCERT textbooks and have removed deleted topics and added new competency-based questions.