CBSE Class 12 Biology Evolution Worksheet Set C

CBSE Class 12 Biology Worksheet - Evolution. CBSE issues sample papers every year for students for class 12 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 12 board exams this year. The sample papers have been provided with marking scheme. It’s always recommended to practice as many CBSE sample papers as possible before the board examinations. Sample papers should be always practiced in examination condition at home or school and the student should show the answers to teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers.

EVOLUTION

1. Who proposed the theory of chemical origin of life?

2. What provided energy for abiodic synthesis on primitive earth?

3. Name 2 scientists who set up a special expt. To prove oparin’s theory of origin of life.

4. What is fitness according to Darwin?

5. Bring out the difference between de vries mutations and Darwinian variations.

6. Describe the theory of Biogenesis

7. What are the different ways in which natural selection along with reproductive success results in different populations.

8. State Hardy-Weinberg principle.

9. What is adaptive radiation. Give 2 examples.

10. Explain industrial melanism

11. Trace the evolution of man

12. Name the 6 groups of plants for which Psilophyton was the ancestor.

13. Give 2 examples of evolution dur to anthropogenic action.

14. What is founder effect?

15. How does gene migration and recombination affect Hardy-Weinberg equilibrium?

16. What is genetic drift?

17. Give examples of homologous and analogous organs (in plants and animals)

18. Explain the evolution of earth and first life forms.

19. Who proposed the cosmozoan theory?

20. Name the immediate ancestor of bryophytes.

21. What is the significance of Archaeopteryx?

22. Name the primates that existed 15 mya

23. What does homology and analogy indicate?

24. Name the period in the geological history when reptiles flourished

Please click the link below to download full pdf file for CBSE Class 12 Biology Worksheet - Evolution.

Tags: 

 


Click to View or Download pdf file
Click for more Biology Study Material

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

CBSE Reduced Syllabus Class 11 and 12

CBSE has announced major reduction in the syllabus for class 11 and class 12. There has been major changes too in the main syllabus for class 11 and 12. The prevailing health emergency in the country and at different parts of the world as well as the efforts to contain...

Re verification of Class 10 Board Exams Marks

Modalities and Schedule for Secondary School (Class X) Examinations, 2020 in the subjects whose examinations have been conducted by CBSE for the processes of (I) Verification of Marks (II) Obtaining Photocopy of the Evaluated Answer Book(s) (Ill) Re-evaluation of Marks...

CBSE Decision on Board Exam 2020

The Class 10 and 12 exams are cancelled, and results for both 10th and 12th would be declared by July 15 based on internal exams. CBSE Class 12 students would have the option to appear for the exams at a later date. CBSE has a scheme in which marks scored in past 3...

FAQs CBSE Board Exam Results Class 10 and 12

FAQs CBSE Board Exam Results Class 10 and 12 Q.1. What does the term RT in the marksheet mean? Ans.The term RT means REPEAT IN THEORY. This is the term used from 2020 instead of FAIL IN THEORY(FT) Q.2. What does the term RP in the marksheet mean? Ans.The term RP means...

CBSE Reduced Syllabus Clarification

CBSE board has issued the following clarification relating to various news reports regarding reduction in syllabus and questions from the reduced syllabus during board exams. Please read below: It has come to notice of the Board through a section of media reports that...

Board Cancelled Official CBSE Statement

Keeping in view the requests received from various State Governments and the changed circumstances as on date, following has been decided- 1. Examinations for classes X and XII which were scheduled from 1st July to 15th, 2020 stand cancelled. 2. Assessment of the...

×
Studies Today