CBSE Class 12 Biology Sample Papers 2015 Set B

Read and download PDF of CBSE Class 12 Biology Sample Papers 2015 Set B designed as per the latest curriculum and examination pattern for Class 12 issued by CBSE, NCERT and KVS. The latest Class 12 Biology Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Biology Class 12 which they need to study more to get better marks in Class 12 exams. After solving these guess papers also refer to solved Class 12 Biology Question Papers available on our website to build strong understanding of the subject

Sample Paper for Class 12 Biology Pdf

Students can refer to the below Class 12 Biology Sample Paper designed to help students understand the pattern of questions that will be asked in Class 12 exams. Please download CBSE Class 12 Biology Sample Papers 2015 Set B

Biology Class 12 Sample Paper

SECTION-A

1. When does an oocyte complete oogenesis? When does oogenesis begin in a human female?

2. Which organisms are usually the pioneer species in a (i) Hydrarch and (ii) Xerarch succession?

3. Give an example to show how the same species can occupy more than one trophic level in the same ecosystem.

4. Cucurbits and coconut bear unisexual flowers but are monoecious. Why?

5. Define allelomorphs.

6. DNA in chromosomes also replicates semi-conservatively. How did Taylor and colleagues prove it?

7. Besides converting the milk to curd, which are the two other roles played by LAB?

8. What are baculoviruses?
 
SECTION-B
 
9. (i) Very small animals like shrews and humming birds are rarely found in Polar Regions. Why?
(ii) Define Diapause.
 
10. Read the graph given below and correlate the uterine events that take place according to the hormonal levels on
(i) 6-15 days
(ii) 16-25 days
(iii) 26-28 days (if ovum is not fertilized)

CBSE Class 12 Biology Sample Papers 2015 (2) 1

11. Draw the structure of initiator t-RNA molecule. Why is t-RNA called as an adapter molecule?
 
OR
Lactose plays a dual role in the lac-operon. How? Why is lac-operon said to be under negative regulation?


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Sample Paper Biology Class 12

We hope you liked the above provided CBSE Class 12 Biology Sample Papers 2015 Set B. To get an understanding of the type of questions which were asked in exams, it is important for Class 12 students to refer to CBSE Class 12 Biology Sample Papers 2015 Set B that we have provided above. Students can download the Sample Paper for Class 12 Biology which will be coming in the exams so that you can practise them and solve all types of questions that can be asked in exams. If you do CBSE Class 12 Biology Sample Papers 2015 Set B for Class 12 Biology you will easily understand the way examination Sample Paper are set by teachers.

Class 12 Biology Sample Paper

The latest Sample Paper CBSE Class 12 Biology Sample Papers 2015 Set B covers all the topics which have been suggested by CBSE in their Class 12 Biology syllabus for the current year. By doing CBSE Class 12 Biology Sample Papers 2015 Set B 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.

Class 12 Biology Model Question Paper Pdf Download

We have provided link above of CBSE Class 12 Biology Sample Papers 2015 Set B in Pdf format so that you can just click the links and easily download the papers with answers. On studiestoday, we have also provided a download and print option for all CBSE Class 12 Biology latest Sample Papers for Class 12 Biology to make it more easy for students. You can download CBSE Class 12 Biology Sample Paper and Class 12 Biology Question Papers in PDF absolutely free of cost.

Biology Sample Paper Class 12 with Solutions

We have provided CBSE Class 12 Biology Sample Papers 2015 Set B with solutions. You will be able to understand the type of answers which you should write in Class 12 Biology exams to score good marks. 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. This way you will be able to identify your weak areas and also understand how the teachers of Class 12 Biology set their questions in the exams.

CBSE Class 12 Biology Sample Paper with solutions

We have provided the current year Class 12 Biology Sample Paper. Students who want to practice Sample Paper from all previous years can easily get them on studiestoday. We are the leading website in India from which you can download all the latest Class 12 Biology study material for free as per the CBSE syllabus for Class 12 Biology for the current academic year.

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