CBSE Class 12 Biology Evolution Question Bank

Read and download free pdf of CBSE Class 12 Biology Evolution Question Bank. Students and teachers of Class 12 Biology can get free advanced study material, revision notes, sure shot questions and answers for Class 12 Biology prepared as per the latest syllabus and examination guidelines in your school. Class 12 students should download this study material which will give them more knowledge for all chapters in Biology and all important topics which are scoring and can get you more marks. Students should also download free pdf of Chapter wise Notes for Class 12 Biology prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this year and also download free worksheets and question papers available here to get higher scores in school exams and tests, also click here for more Study Material for Class 12 Biology

Study Material for Class 12 Biology Chapter 7 Evolution

Class 12 Biology students should refer to the following Pdf for Chapter 7 Evolution in Class 12. These notes and test paper with questions and answers for Class 12 Biology will be very useful for exams and help you to score good marks

Class 12 Biology Chapter 7 Evolution

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?

Please click the link below to download CBSE Class 12 Biology Evolution Question Bank.

CBSE Class 12 Biology Chapter 7 Evolution Study Material

We hope students liked the above Study Material for Chapter 7 Evolution designed as per the latest syllabus for Class 12 Biology released by CBSE. Students of Class 12 should download the Study Material in Pdf format, read the notes and related questions and solutions given in above Class 12 Biology Study Material on daily basis. All latest Study Material have been developed for Biology by referring to the most important and regularly asked topics which the students should learn and practice to get better score in school tests and examinations. Expert teachers of studiestoday have referred to NCERT book for Class 12 Biology to develop the Biology Class 12 Study Material. After solving the questions given in the Study Material which have been developed as per latest course books also refer to the NCERT solutions for Class 12 Biology designed by our teachers. Also download Class 12 Biology Sample Papers given on studiestoday. After solving these you should also refer to Class 12 Biology MCQ Test for the same chapter.

 

How to download CBSE Class 12 Biology Chapter 7 Evolution study material

You can download free study material for Class 12 Biology Chapter 7 Evolution for latest academic session from StudiesToday.com

Is the study material for Chapter 7 Evolution Class 12 Biology for the latest CBSE academic session

Yes, the study material given here for Class 12 Biology Chapter 7 Evolution is for current CBSE session

Is there any charge for Class 12 Biology Chapter 7 Evolution concepts and study material

All study maetrial for CBSE Class 12 Biology Chapter 7 Evolution is free