CBSE Class 11 Biology Sample Paper Set E Solved

Access and download CBSE Class 11 Biology Sample Paper Set E Solved, carefully designed as per the latest 2025-26 examination guidelines issued by CBSE, NCERT, and KVS. These Class 11 Biology previous year question papers include detailed solutions, helping students to assess their performance and identify and improve key areas before the final exams.

Solved Biology Question Papers for Class 11

Practicing these Class 11 Biology question papers is the best way to understand the actual exam pattern and marking scheme. By solving these papers under timed conditions, Class 11 students can improve their speed and accuracy. Download the full CBSE Class 11 Biology Sample Paper Set E Solved to begin your self-assessment today.

Biology Class 11 Question Paper PDF with Solutions

SECTION A
1 Differentiate the two types of inflorescence.
Ans. i) Cymose and Racemose
ii)Acropetal, basipetal (any 2 points of difference)
 
2 It is said that, when the head of cockroach is cut-off , it will still live for as long as one week. Justify the statement.
 
Ans. Because the brain is represented by supra – oesophageal ganglion which supplies nerves to antennae and compound eyes and this is not present in the head region.
 
3 Which tissue is affected by Myasthenia Gravis? What is the underlying cause?
 
Ans. Neuromuscular junction, autoimmune disorder
 
4 How will hearing get affected if the Eustachian tube gets blocked?
 
Ans. Air pressure on either side of the eardrum will not be maintained and so likely to get damaged.
 
5 What do gray matter and White matter in brain represent?
 
Ans. Unmylemiated cell bodies and dendrites comprise grey matter while myleniated axons makes white matter.
 
SECTION B
6 Experiments were carried out to investigate the action of two enzymes at different pH values. All experiments were carried out at 37 degrees for 20 minutes.
[a] What interpretation can you draw from the graph?
[b] What happens to the pepsin reaction between pH 4 and 5? Why?
 CBSE Class 11 Biology Sample Paper Set E Solved
Ans. a) Normal actions of both enzymes occur,digestion occurs maximum in acidic medium with help of pepsin and amylase work in basic medium.
b) pepsin woks in acidic medium but as acidity decreases HCl production is ffected.
 
7 What is wood botanically? Differentiate between hart and sap wood.
Or
Actinomorphic , Bisexual , hypogynous , five united sepals with valvate aestivation, five free petals with twisted aestivation , five free stamens , anthers dithecous and axile placentation.
 
Ans. Secondary xylem. (Any three)
Heart wood                            Sap wood
i. Dead elements                  i. living tissue
ii. central layer                    ii. peripheral layer
iii. storage of tannin, resin   iii. conduction of water and minerals
iv. darker colour                  iv. lighter colour
v. resistant to decay            v. not resistant
Or
Floral formula- K5C(5)A5G(2)
 
8 The given diagram shows a cell organelle. List its importance for our survival.
 
Ans. Chloroplast-photosynthesis Formation of oxygen.
 
9 You were playing in the playground. After playing you entered the room, but you were not able to see for few seconds. Give reason.
 
Ans. Formation of rhodopsin takes few segments, muscle contraction also takes place
 
10 Draw a neat labeled diagram of reflex arc
 
Ans. Diagram
 
Please click the link below to download CBSE Class 11 Biology Sample Paper Set E Solved.

CBSE Class 11 Biology Sample Paper Set E Solved

To understand the types of questions asked in past examinations, it is very important for Class 11 students to solve the CBSE Class 11 Biology Sample Paper Set E Solved provided above. You can easily download these past papers for Class 11 Biology in PDF format for the last 10 years. By practicing these actual exam questions you will gain an understanding of the difficulty level and the variety of topics covered over the years. By solving these Previous Year Papers (PYPs) you will understand both descriptive and MCQ questions in your final tests.

Importance of solving CBSE Class 11 Biology Sample Paper Set E Solved

Regularly practicing CBSE Class 11 Biology Sample Paper Set E Solved is the best way to improve your score in Class 11 Biology. These papers will give you details of the marking scheme and the paper structure used by the CBSE. By regularly attempting these under actual exam conditions at home, you can slowly improve your time management skills, which will help you to complete your Biology paper within the allowed duration.

Benefits of downloading CBSE Class 11 Question Papers

Having the CBSE Class 11 Biology Sample Paper Set E Solved in PDF format allows you to revise key concepts anywhere, even without an internet connection. These sets are a reliable tool to practice numerical problems and understand the correct approach to all types of answers. After solving the questions, you should compare your work with the solutions provided by our teachers. Along with these papers, students should always solve the Class 11 Biology Sample Papers and MCQ tests on studiestoday.com for a complete revision.

Where can I download the official PDF for CBSE Class 11 Biology Sample Paper Set E Solved?

The CBSE Class 11 Biology Sample Paper Set E Solved is available for download on StudiesToday.com. It includes complete set with all sections so that Class 11 students can practice with the exact same paper that came in the CBSE exams.

Are the solutions for CBSE Class 11 Biology Sample Paper Set E Solved based on the official CBSE marking scheme?

Yes, the solutions for CBSE Class 11 Biology Sample Paper Set E Solved are prepared by subject matter experts as per official marking scheme. Class 11 students will understand the structure of answers and 'step-marks' methodology Biology.

How does solving CBSE Class 11 Biology Sample Paper Set E Solved help in preparing for the 2026 exams?

Solving previous year papers like CBSE Class 11 Biology Sample Paper Set E Solved is important to understand repeat themes and question difficulty levels of Biology. It helps Class 11 students to test their time management skills too.

Can I access CBSE Class 11 Biology Sample Paper Set E Solved in different languages?

Yes, where applicable, CBSE Class 11 Biology Sample Paper Set E Solved is available in both English and Hindi mediums. All students from Class 11 can access Biology study material in their preferred language.

Is there a charge to download the CBSE Class 11 Biology solved papers?

No, all previous year question papers on StudiesToday, including CBSE Class 11 Biology Sample Paper Set E Solved, are provided free of charge in mobile-friendly PDF.