Read and download CBSE Class 12 Biology Question Paper 2019 Set A designed as per the latest question paper pattern and Class 12 examination guidelines issued by CBSE, NCERT and KVS. The past year Question Papers for Class 12 Biology have been provided with solutions which will help students to assess their performance and find out topics in Biology Class 12 which they need to improve to get better marks in Class 12 exams. After solving these last year papers also refer to solved Sample Papers for Class 12 Biology available on our website to build strong understanding of the subject
Biology Question Paper Class 12
Students can refer to the below Class 12 Biology Question Paper designed to help students understand the pattern of questions that will be asked in Class 12 exams. Please download CBSE Class 12 Biology Question Paper 2019 Set A
Biology Class 12 Question Paper
CBSE Class 12 Biology Question Paper 2019 Set A. 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.
1. What do ‘X’ and ‘Y’ represent in the transcription unit of the DNA molecule shown ?
2. How are the members of genus Glomus useful to organic farmers ?
3. The diploid number of chromosomes in an angiospermic plant is 16. What will be the number of chromosomes in its endosperm and antipodal cells ?
OR
State the reason why pollen grains lose their viability when the tapetum in the anther is malfunctioning.
4. Biotechnological techniques can help to diagnose the pathogen much before the symptoms of the disease appear in the patient. Suggest any two such techniques.
OR
Mention the form in which inactive protein toxin is produced by Bacillus thuringiensis. How does it get activated in the pest body to kill it ?
5. Name the disorder in humans with the following karyotype :
(a) 22 pairs of autosomes + XO
(b) 22 pairs of autosomes + 21st chromosome + XY
Please click the link below to download pdf file of CBSE Class 12 Biology Question Paper 2019 Set A.
| CBSE Class 12 Biology Question Paper 2012 (1) |
| CBSE Class 12 Biology Question paper 2012 (2) |
| CBSE Class 12 Biology Question paper 2012 (3) |
| CBSE Class 12 Biology Question paper 2012 (4) |
| CBSE Class 12 Biology Question Papers SA1 2011 (1) |
| CBSE Class 12 Biology Question Papers SA1 2011 (2) |
| CBSE Class 12 Biology Question Paper 2009 (1) |
| CBSE Class 12 Biology Question Paper 2009 (2) |
| CBSE Class 12 Biology Question Paper 2009 (3) |
| CBSE Class 12 Biology Question Paper 2009 (4) |
| CBSE Class 12 Biology Question Paper 2007 (1) |
| CBSE Class 12 Biology Question Paper 2007 (2) |
| CBSE Class 12 Biology Question Paper 2007 (3) |
CBSE Class 12 Biology Question Paper 2019 Set A
We hope you liked the above provided CBSE Class 12 Biology Question Paper 2019 Set A. To get an understanding of the type of questions which were asked in previous year exams, it is important for Class 12 students to refer to CBSE Class 12 Biology Question Paper 2019 Set A that we have provided above. Students can download all the Question Papers for Class 12 Biology which were issued in the exams so that you can practise them and solve all types of questions which have been asked till now. By doing all CBSE Class 12 Biology Question Paper 2019 Set A PYP (previous year papers) you will understand the regular questions and MCQ questions for Class 12 Biology which are always asked and learn them so that you can get full marks in those questions. You can download CBSE Class 12 Biology Previous Year Question Papers and Class 12 Biology Sample Papers in PDF. You should attempt all the last year question paper for Class 12 and Class 12 Biology MCQ Test in examination conditions at home and then compare their answers with the solutions provided by our teachers.
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