Official CBSE Practice Papers for Class 11 Biology
Access comprehensive sample question papers for Class 11 Biology using the CBSE Class 11 Biology Sample Paper Set 27. Designed to align with the 2026-27 CBSE academic guidelines, these model papers help students assess their exam readiness and understand current marking schemes.
Solved Model Papers for Biology
View or download the dedicated CBSE Class 11 Biology Sample Paper Set 27 resource below. Engaging with these sample papers under timed conditions ensures continuous academic progress and mastery of the 2026-27 exam format.
SECTION A
1. To which class wheat belongs ?
2. What type of symmetry is found in zygomorphic flower?
3. Define polysome.
4. What is chlorosis?
5. Expand term IAA.
SECTION B
6. Differentiate between bones and cartilage.
7. Draw diagram of monocotyledonous seed and label coleorhizza and scutellum.
8. Describe the role of skin and lung in excretion.
Or
What is lacteal? What is its significance?
9. 7 percent of CO2 is carried by blood in dissolved form through plasma. In what other two forms CO2 is transported by blood
SECTION C
10. What are the various differences between virus and viriods?
11. To which phyla do each of following features belong
a. Presence of parapodia
b. Presence of flat body and sucker
c. Exoskeleton and jointed appendages
d. Presence of comb plates
e. Presence of proboscis collar and trunk
f. Presence of cnidoblast
12. List various components of Xylem. Differentiate between endarch and exarch xylem
13. Draw diagram of digestive system of cockroach with following labels:- crop , gizzard , hepatic caecae and ileum.
14. Which bio-molecules have peptide bond , glycosidic bond and phosphodiester bond
15. Name the cell organelle which is called as power house of cell. Draw diagram of this organelle and write about its structure and function.
OR
Diagrammatically explain any three types of chromosomes.
16. With the help of diagram explain fluid mosaic model of plasma membrane.
17. Which PGR is used to
a. Induce rooting in twig
b. Quickly ripen the fruit
c. Delay leaf senescence
d. Induce root hair formation
e. Promotes bolting in cabbage
f. Induce stomatal closure
18. What are the components of stomata and how do stomata open?
19. How is impulse transmitted from one neuron to another neuron ?
20. How are carbohydrates digested in our mouth and small intestine with the help of enzymes in humans?
21. Shashi, a 15 year old boy finds that plants in his kitchen garden are not growing properly and showing the symptoms of iron , magnesium and calcium deficiency like chorotic veins. And the symptoms are not reducing even after supplying the micronutrients. He discusses this with his biology teacher.
Answer the following questions based on the above information
(i) What is the reason behind the above mentioned problem?
(ii) What are micronutrients.
(iii) What are the values shown by Shashi?
Please click the link below to download CBSE Class 11 Biology Sample Paper Set 2
Free study material for Biology
Exam Preparation Sample Paper for Class 11 Biology CBSE Class 11 Biology Sample Paper Set 27
Download Sample Paper: CBSE Class 11 Biology Sample Paper Set 27 (Class 11 Biology)
Explore downloadable sample sets for Class 11 Biology. Utilizing the CBSE Class 11 Biology Sample Paper Set 27 allows learners to gauge exam readiness and master official CBSE assessment structures.
Maximize Your Scores with Model Papers
- Original Practice Material: Access unique questions for Biology designed to challenge your understanding.
- Self-Assessment: Evaluate scores per set to pinpoint weak zones in Class 11 Biology.
- Exam Completion Skills: Routine problem sets train you to manage test duration efficiently without stress.
Steps to Follow After Completing CBSE Class 11 Biology Sample Paper Set 27
- Self-Evaluation: Score your answers using official guidance to track your academic progress.
- Mistake Correction: Class 11 pupils must re-solve questions answered incorrectly to master the correct method.
- Continuous Practice: Take additional Biology sample modules online to maximize preparedness for CBSE evaluations.
FAQs
You can download the complete PDF for CBSE Class 11 Biology Sample Paper Set 27 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 27 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 27 on your mobile device.