CBSE Class 11 Biology Sample Paper Set W

Read and download PDF of CBSE Class 11 Biology Sample Paper Set W designed as per the latest curriculum and examination pattern for Class 11 issued by CBSE, NCERT and KVS. The latest Class 11 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 Standard 11 which they need to study more to get better marks in Grade 11 exams. After solving these guess papers also refer to solved Class 11 Biology Question Papers available on our website to build strong understanding of the subject

CBSE Class 11 Biology Sample Paper Set W. It’s always recommended to practice as many sample papers as possible before the examinations. Students can download the sample papers and also question papers of previous years to practice and score better marks in examinations. Refer to other links too for more sample papers. 


Q.1) Give the floral formula of family Solanaceae. 

Q.2) Draw the structure of lecithin. 

Q.3) Write an example of hyperglycemic hormone 

Q.4) What are the two types of lateral meristems? 

Q.5) What is cytoskeleton? Mention its functions. 

Q.6) What are the major criteria for essentiality of an element? 


Name the respective mineral nutrient of plants that:

(i) is a constituent of the ring structure of chlorophyll.

(ii) is needed in the synthesis of auxins.

(iii) forms the component of nitrogen and nitrate reductase.

(iv) is a constituent of ferredoxin.

Q.7) What are the major basic features of animal classification? Explain any three in detail. 


(i) What are the fundamental characters of Phylum: Chordata?

(ii) Differentiate between Chordates and non-chordates on basis of these fundamental characters.

Q.8) (i)Differentiate between protonema and prothallus.

(ii) Write the special feature of Gonyaulax. 

Q.9) What is aestivation? Explain the different types of aestivation with the help of diagrams. 

Q.10) Describe briefly the circulatory system of cockroach. 

Q.11) Explain the interphase of cell cycle with the help of a diagrammatical view.

Q.12) What are the non-protein constituents bound to an enzyme known as? Classify them with suitable examples. 

Q.13) (i) Explain biological nitrogen fixation.

(ii) Explain the steps involved in the formation of a root nodule. 

Q.14) Define the following:

(i) Photoperiodism (ii) Vernalisation (iii)Plasmolysis 

Q.15) Explain the cyclic photophosphorylation .How does it differ from non-cyclic photophosphorylation? 

Q.16) Explain the mechanism of muscle contraction in humans. 

Q.17) Explain the processes of transmission of a nerve impulse across a chemical synapse.

Q.18) Aditya and Amey are friends and are active members in science and health club in their school. One day when they were waiting at bus stop , they saw few people were smoking near to them and many were chewing the paan.They discussed this to their teacher and decided to take effective actions.

(i) According to you, what will be the major actions to be taken by them?

(ii) What values are displayed by them? 

Q.19) What are enzymes? Classify them based on the type of reactions they catalyse. 


Explain the different phases of Prophase I of meiosis with the help of suitable diagrams.

Q.20) Explain the Hatch and Slack pathway with the help of a neat, labelled


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