Read the CBSE Class 11 Biology Sample Paper Set 25 below. Find downloadable Class 11 Biology sample papers complete with answers, built according to the 2026-27 assessment guidelines of CBSE, NCERT, and KVS. Reviewing these sets helps every Class 11 learner measure their readiness for upcoming tests.
Download Class 11 Biology Sample Paper Solutions
Our Class 11 Biology model papers are important for understanding the weightage of different chapters and the difficulty level of expected questions. By solving these guess papers Class 11 students can identify weak areas and improve time management. We also suggest referring to our Class 11 Biology Question Papers of previous years to further strengthen your exam preparation.
Download Class 11 Biology Sample Paper with Answers
SECTION – A
Q.1 Name the scientist who proposed the system of binomial nomenclature.
Q.2 How systematic differs from Taxonomy.
Q.3 Name the simplest form of carbohydrate, protein and fat after digestion.
Q.4 Name the respiratory organ of the following –
a) Insects b) Tadpole c) Fish d) Man
Q.5 What is the full form of FMN and FAD?
SECTION – B
Q.6 Give a labelled diagram of Fluid Mosaic Model.
Q.7 a) Name the types of chromosomes on the basis of position of centromere.
b) Name the organelles which comprises the endomembranous system.
Q.8 Give a graph to show Activation Energy requirement of non-catalysed and enzyme catalysed
reactions.
Q.9 Give the difference between peptide bond, glycosidic bond and ester bond. Explain the
difference by showing bond formation.
Q.10 Draw a labelled diagram to show the duct system pouring into duodenum.
OR
Explain in short - a) Tidal volume b) Residual volume
SECTION – C
Q.11 a) Name the two fluids which circulates in the body of mammals.
b) Name the major site where RBC is produced.
c) Name two chemicals secreted by basophils.
d) Where Rh factor is found in the blood of humans.
Q.12 Differentiate between the following :
i) Zoospore and Aplanospore
ii) Phyllotaxy and Venation
iii) Coccus and Bacill
Q.13 Draw a well labelled diagram to show the different types of aestivation in a flower.
Q.14 a) Name the group to which these organisms belong :
i) Nostoc ii) Euglena iii) Rhizopus iv) Penicillium
b) What are Lichens?
Q.15 a) Give examples of saturated and unsaturated fatly acids.
b) Differentiate between homopolymer and heteropolymer with example.
c) What is competitive inhibition?
Q.16 a) Draw a well labelled diagram of Anaphase of Mitosis.
b) How Anaphase of Mitosis differs from Anaphse-I of Meiosis?
Q.17 a) Name the 4 layers of Alimentary canal.
b) Name the associated glands of digestive system.
c) Give the function of HCl in stomach.
Q.18 Give the function of the following.
a) C-shaped cartilage in trachea b) Pleura c) Diaphragm
d) Larynx e) epiglottis f) Carbonic anhydrase
Please click the link below to download CBSE Class 11 Biology Sample Paper Set Y
Free study material for Biology
Download CBSE Sample Papers: Class 11 Biology
Get Started with CBSE Class 11 Biology Sample Paper Set 25 (CBSE)
Retrieve the CBSE Class 11 Biology Sample Paper Set 25 from our portal to kickstart your targeted revision. Familiarity with standard question patterns helps Class 11 students excel in examinations. Practice these recent Biology sample sets to cover expected test scenarios effectively. Take advantage of the PDF format option for offline practice, complete with timed home simulations.
Why Practice Class 11 Biology Model Papers?
- 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 11.
- Targeted Improvement: Track performance drops across sets to isolate specific Class 11 Biology topics needing extra attention.
- Time Efficiency: Practicing both MCQs and subjective problems for Class 11 Biology builds critical pacing to finish papers timely.
What should you do after solving CBSE Class 11 Biology Sample Paper Set 25?
- Self-Evaluation: Score your answers using the official guidance found in the Biology Sample Paper PDF.
- Targeted Correction: Class 11 pupils must re-solve questions answered incorrectly to master the correct method.
- Core Review: Look up challenging questions inside the NCERT book for Class 11 Biology to build solid fundamentals.
- Regular Practice: Solve extra Biology sample modules online to maximize preparedness for upcoming CBSE evaluations.
FAQs
You can download the complete PDF for CBSE Class 11 Biology Sample Paper Set 25 for free from StudiesToday.com. Our resources for Class 11 Biology are updated for the latest academic session and follow the official exam pattern.
Yes, CBSE Class 11 Biology Sample Paper Set 25 comes with detailed, teacher-verified solutions. We have provided step-by-step answers for Biology to help students of Class 11 understand correct methodology and marking scheme.
Practicing this Biology paper helps in time management and identifying important topics. For Class 11, solving mock papers is the best way to gain confidence and reduce exam-day anxiety.
Yes, all our study materials for Class 11 Biology are provided in a mobile-friendly PDF format. You can easily download CBSE Class 11 Biology Sample Paper Set 25 on your mobile device.