Download CBSE Class 12 Biology Question Papers
Explore authentic exam materials through the CBSE Class 12 Biology Question Paper 2019 Set 11. Tailored for Class 12 learners, utilizing these Biology previous year papers ensures thorough preparation and strengthens time management skills before final CBSE evaluations.
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CBSE Class 12 Biology Question Paper 2019 Set K. Students can download the last year board exams question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations.
SECTION A
1. Name the pattern of inheritance where F1 phenotype
(a) resembles only one of the two parents.
(b) does not resemble either of the two parents and is in between the two.
2. According to the Hardy-Weinberg principle, the allele frequency of a population remains constant. How do you interpret the change of frequency of alleles in a population ?
OR
Coelacanth was caught in South Africa. State the significance of discovery of Coelacanth in the evolutionary history of vertebrates.
3. State the functions of mast cells in allergy response.
OR
State the function of interpherons.
4. State from where do the signals for parturition originate in human females.
5. Write the specific point in the palindrome and the bond that is cut by EcoRI.
SECTION B
6. Explain polygenic inheritance with the help of an example.
7. Write the relationship between productivity, gross primary productivity, net primary productivity and secondary productivity.
8. Write the scientific name of the source from where cocaine is obtained. How does its use affect the human body ?
9. Justify the need for signing of ‘Montreal Protocol’ by the participating nations in 1987.
OR
Write the effective remedy found by Ahmed Khan of Bengaluru for the efficient use of the plastic waste generated by big cities.
10. How is an alien species invasion considered as one of the causes of biodiversity loss ? Support your answer with the help of an example.
Please click the link below to download pdf file of CBSE Class 12 Biology Question Paper 2019 Set K.
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Practice Exam Question Papers for Class 12 Biology CBSE Class 12 Biology Question Paper 2019 Set 11
Class 12 Biology Past Exam Papers & Resources
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Importance of Solving CBSE Class 12 Biology Question Paper 2019 Set 11
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FAQs
The CBSE Class 12 Biology Question Paper 2019 Set 11 is available for download on StudiesToday.com. It includes complete set with all sections so that Class 12 students can practice with the exact same paper that came in the CBSE exams.
Yes, the solutions for CBSE Class 12 Biology Question Paper 2019 Set 11 are prepared by subject matter experts as per official marking scheme. Class 12 students will understand the structure of answers and 'step-marks' methodology Biology.
Solving previous year papers like CBSE Class 12 Biology Question Paper 2019 Set 11 is important to understand repeat themes and question difficulty levels of Biology. It helps Class 12 students to test their time management skills too.
Yes, where applicable, CBSE Class 12 Biology Question Paper 2019 Set 11 is available in both English and Hindi mediums. All students from Class 12 can access Biology study material in their preferred language.
No, all previous year question papers on StudiesToday, including CBSE Class 12 Biology Question Paper 2019 Set 11, are provided free of charge in mobile-friendly PDF.