11TH Class Biology Past Paper 2021

In this post, we will share with you class 11 biology question paper 2021 as well as you can read here class 11 biology paper 2021. This is the most helpful question and past paper of 2021. If students looking for this biology past paper 2021 then they visit our website because we provide you past papers, solved mcqs and important short notes, important questions and result news for students help only so that students can learn and prepare their exams and also get good marks in final exams. We already posted many past papers of 2021 so you can see them by visiting this website. If you like this post then you can share it class 11 biology past paper 2021. Also Read 11th Class Education Past Paper 2021.

class 11 biology question paper 2021  class 11 biology paper 2021

class 11 biology question paper 2021  class 11 biology paper 2021


This is the "Biology" 11Th Class Past Paper 2021 Biology is a very informative and learning book for those students who want to become a doctor in the future but this 11th biology book is basic book students read topics and theories about medical and know basics knowledge but some students don't interest in this book so they ignored it and their concepts then they fail in exams but intelligent students who more interest in this field then they work day and night to become a successful doctor but this field is very tough for poor students because in this medical field students should have high amount money for invest in books and colleges s, university fees but students don't worry we always here to provide you students solutions so your duty to learn books first then read any past papers and short notes then try to share our post class 11 biology question paper 2021 | class 11 biology paper 2021 with others students who also want to read past papers 2021 of biology.

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Past Paper 2021Class 11TH Islamiat Elective Past Paper 2021


11TH Class Biology Paper 2021

 Q No:1

  • Differentiate between anabolism and catabolism.
  • What do you know about the induced fit model of enzyme action?
  • Define active site and also give its two regions.
  • How enzyme-substrate complex is formed?
  • What is nuclear mitosis?
  • Describe some antibiotics obtained from fungi.
  • Differentiate between radial and biradial symmetry.
  • Give four parasitic adaptations in Platyhelminthes.
  • Write down the characteristics of amphibians.
  • What are running birds? Give examples.
  • What do you know about compensation points?
  • Give accessory photosynthetic pigments.

This is the first short question section of class 11 biology Past Paper 2021 and these short questions are very important for you and for next year's students. So students please read complete this post so you will learn most of the study things about 11th Class Biology. In this 1st short question section, students will see 12 questions but you attempt only 8 questions in this 1st section. Each question has 2 marks so if students attempt total of 8 questions properly they students will get full marks in this first section but in some cases, students do not prepare for their exam for papers they lose their marks by writing wrong answers. Students, please share this class 11 biology paper 2021 with other students. Also, Read 11TH Class Islamiat Elective Past Paper 2021.

 Q No:2

  • What are bio-pesticides? Give example.
  • Define integrated disease managment.
  • Differentiate between phagocytosis and pinocytosis.
  • What are choanoflagellates? Why they are of special interest?
  • How algae differ from plants?
  • Define thallus.
  • How green algae and plants form a monophyletic lineage?
  • Why bryophytes are called amphibians of plants?
  • Differentiate between microphyll and megaphyll.
  • Write down something about the irish potato famine
  • How pyruvic acid is activated?
  • Why calvin cycle is called as C3 pathway?

This is the second short question section of class 11 biology paper 2021 and these short questions are very important for you and for next year's students. So students please read complete this post so you will learn most of the study things about 11th Class Biology. In this 2nd short question section, students will also see 12 questions but you attempt only 8 questions in this 2nd section. Each question has 2 marks so if students attempt a total of 8 questions properly then students will get full marks in this 2nd section but in some cases, students do not prepare for their exam for papers they lose their marks by writing wrong answers. Students, please share this class 11 biology question paper 2021 with other students. Also, Read 11TH Class Civics Past Paper 2021.

 Q No:3

  • Write down the five-kingdom classification system proposed by margulis and schwartz.
  • How conjugation occurs in bacteria?
  • Differentiate between cardiac and phloric sphincter.
  • Define digestion. Give its types.
  • How trapping and digestion of insects occurs in venus fly trap?
  • Define trachea.
  • How inspiration occur in human,?
  • Write down about the concentration of carbon dioxide in arterial and venous blood.
  • What is tuberculosis?
This is the third short question section of class 11 biology paper 2021 and these short questions are very important for you and for next year's students. So students please read complete this post so you will learn most of the study things about 11th Class Biology. In this 3rd short question section, students will see 9 questions but you attempt only 6 questions in this 3rd section. Each question has 2 marks so if students attempt a total of 6 questions properly then students will get full marks in this 3rd section but in some cases, students do not prepare for their exam for papers they lose their marks by writing wrong answers. Students, please share this class 11 biology question paper 2021 with other students. Also, Read 11TH Class Islamic Studies Past Paper 2021.

 Long Questions

  • Write down a note on the protection and conservation of environment.
  • Write down about cohesion tension theory of ascent of sap.
  • Explain the primary and secondary structure of proteins.
  • Write down a note on sac fungi.
  • Describe flagella and their functions.
  • Write down a note on life cycle of angiospermic plant.
  • Write down a note on AIDS.
  • Draw a label calvin cycle description is not required 
  • Write down a note on mitochondria.
  • How absorption of food takes place in small intestine?
Students this is the last section and Long questions of 11th Class Biology Past Paper 2021. In this long question section, students will see a total of 10 questions but students attempt only 3 long questions 1 question has 2 parts of questions so if students attempt 2 questions of 1 part then one question will complete. So each one quest has 2 questions we hope students know very well but we describe this only for new students who don't know about this. 

Students we try to provide you best and accurate 11th Class Biology Past Paper 2021 so that students can find this paper easily. Students if you see any mistake in this post so please tell us in the comments section then we will correct it very soon.