Welcome! Check out the CBSE Class 12 Biology Sample Paper 2018 Set 05 right here, created by experienced teachers to match modern 2026-27 academic rules from CBSE, NCERT, and KVS. Get free Class 12 Biology sample papers with complete solutions to help you practice and check your scores based on updated marking schemes.
Model Papers: Class 12 Biology (CBSE)
Try these Class 12 Biology model papers to master exam difficulty levels and plan your time wisely. Solving these papers helps Class 12 learners track their progress easily. Don't forget to practice our previous years' Class 12 Biology Question Papers for complete exam readiness.
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Section - A
1. A tissue culture experiment has been performed with a plant tissue infected with TMV. Meristematic tissue produces healthy plant. Reason out the possibility of obtaining such result. 1
2. State a method of cellular defence which works in all eukaryotic organisms.
3. In case of an infertile couple, the male partner can inseminate normally but the mobility of sperms is below 40 percent. Judge, which kind of ART is suited in this situation to form an embryo in the laboratory, without involving a donor?
4. Calculate the length of the DNA of bacteriophage lambda that has 48502 base pairs.
5. If two genes are located far apart from each other on a chromosome, how the frequency of recombination will get affected?
Section - B
6. The alarming population growth is leading to scarcity of basic requirements. Enumerate and justify any two population control measures to overcome this problem.
7. Both Down’s syndrome and Turner’s syndrome are examples of chromosomal disorders. Cite the differences between the two.
8. Demand for mushroom as food has led to its culturing on a large scale. Similarly, it is perceived that microbes too would become acceptable as food. Identify a microbe which can be cultured as a food source and give the applicability of its culture in the given context.
OR
Success rate of artificial insemination in cattle is fairly low. Identify any other mean to improve the successful production of hybrids. State the advantages of this technique.
9. a) Patients who have undergone myocardial infarction are given clot buster. Mention the clot buster administered and its microbial source.
b) A person recuperating from illness is advised to have curd regularly. Why?
10. Interpret two effects of loss of biodiversity in a region.
Section - C
11. Draw and label the enlarged view of microsporangium. State the function of its innermost layer.
12.
a) State the type of gametes shown in the diagram.
b) Identify the process taking place and the resultant structure.
c) Name an organism that reproduces in this manner.
13. Diagrammatically represent the experimental set up that proves Oparin - Haldane hypothesis.
14. A cross is made between different homozygous pea plants for contrasting flower positions.
a) Find out the position of flowers in F1 generation on the basis of genotypes.
b) Work out the cross upto F2 generation.
c) Compute the relative fraction of various genotypes in the F2 generation?
15. Refer to the figure given below and answer the questions that follow:
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Class 12 Biology CBSE Class 12 Biology Sample Paper 2018 Set 05 PDF Download Guide
Obtain the CBSE Class 12 Biology Sample Paper 2018 Set 05 directly from our site to boost your exam readiness. Learning the precise blueprint behind question creation is essential for Class 12 learners aiming for high grades. Working through these latest Biology model sets exposes you to likely exam questions. Utilize the PDF format download for offline study, simulating real exam constraints at home.
Maximize Your Scores with CBSE Class 12 Biology Sample Paper 2018 Set 05
- Updated Question Pool: Features brand new questions for Biology distinct from past year archives.
- Curriculum Insights: Regular practice clarifies chapter-wise marks distribution and formatting styles for Class 12.
- Targeted Improvement: Track performance drops across sets to isolate specific Class 12 Biology topics needing extra attention.
- Time Efficiency: Practicing both MCQs and subjective problems for Class 12 Biology builds critical pacing to finish papers timely.
What should you do after solving CBSE Class 12 Biology Sample Paper 2018 Set 05?
- Solution Matching: Cross-check your steps with expert answers published in our Biology Sample Paper PDF.
- Mistake Correction: Class 12 participants need to isolate error patterns to prevent repeating them in future tests.
- Deep Revision: Re-read sections in the NCERT book for Class 12 Biology to clear doubts before solving items again.
- Extended Preparation: Practice diverse sets of Biology sample materials online to face CBSE exams fearlessly.
FAQs
You can download the complete PDF for CBSE Class 12 Biology Sample Paper 2018 Set 05 for free from StudiesToday.com. Our resources for Class 12 Biology are updated for the latest academic session and follow the official exam pattern.
Yes, CBSE Class 12 Biology Sample Paper 2018 Set 05 comes with detailed, teacher-verified solutions. We have provided step-by-step answers for Biology to help students of Class 12 understand correct methodology and marking scheme.
Practicing this Biology paper helps in time management and identifying important topics. For Class 12, solving mock papers is the best way to gain confidence and reduce exam-day anxiety.
Yes, all our study materials for Class 12 Biology are provided in a mobile-friendly PDF format. You can easily download CBSE Class 12 Biology Sample Paper 2018 Set 05 on your mobile device.