CBSE Class 12 Biology

  • CBSE Class 12 Biology Boards 2021 Sample Paper Solved

    SECTION A Questions Marks 1. Why does endosperm development precede embryo development?   2. How many meiotic divisions are required to produce 76 seeds in a Guava fruit?    3. How does pollination take place in water hyacinth and water lily?    4. Name the glands that contribute to human seminal...

  • CBSE Class 12 Biology Compartment Question Paper Solved 2020 Set B

    SECTION A 1. The role of FSH in the process of spermatogenesis in humans is to   (A) stimulate the secretion of certain factors from Sertoli cells.   (B) inhibit the secretion of testosterone from the interstitial cells.   (C) stimulate the action of testosterone on Sertoli cells.   (D) stimulate...

  • CBSE Class 12 Biology Compartment Question Paper Solved 2020 Set A

    At which trophic level or levels does the species VIII function ?   (A) 2nd and 3rd consumer   (B) 1st consumer   (C) Producer   (D) 3rd and 4th consumer   2. Some cyanobacteria in aquatic and terrestrial environment that enrich the soil by fixing atmospheric nitrogen are    (A) Rhizobium and...

  • CBSE Class 12 Biology Boards 2020 Question Paper Solved Set E

    SECTION – A 1. Which one of the following part of the plant when put into the soil is likely to produce new offspring ?   (a) Part of an internode   (b) A stem cutting with a node   (c) Part of a primary root   (d) A flower    2. In a bacterium when RNA-polymerase binds to the promoter on a...

  • CBSE Class 12 Biology Boards 2020 Question Paper Solved Set D

    SECTION – A 1. Which one of the following is not found in a female gametophyte of an angiosperm ?   (a) Germ pore   (b) Synergids   (c) Filiform apparatus   (d) Central cell   2. The autosomal disorder/disease in humans is   (a) Colour blindness   (b) Thalassemia   (c) Haemophilia   (d) Turner’s...

CBSE Class 12 Biology Boards 2021 Sample Paper Solved

 


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CBSE Class 12 Biology Compartment Question Paper Solved 2020 Set B

 


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CBSE Class 12 Biology Compartment Question Paper Solved 2020 Set A

 


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CBSE Class 12 Biology Boards 2020 Question Paper Solved Set D

 


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CBSE Class 12 Biology Boards 2020 Question Paper Solved Set C

 


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CBSE Class 12 Biology Respiration Notes

 


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CBSE Class 12 Biology Biodiversity And Conservation Mind Map
CBSE Class 12 Biology Biodiversity And Conservation Notes
CBSE Class 12 Biology Biodiversity And Conservation Study Guide
CBSE Class 12 Biology Biotechnology And Its Application Mind Map
CBSE Class 12 Biology Biotechnology And Its Application Notes
CBSE Class 12 Biology Biotechnology Its Application Notes
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CBSE Class 12 Biology Biotechnology Principles And Processes Notes Set A
CBSE Class 12 Biology Biotechnology Principles And Processes Notes Set B
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CBSE Class 12 Biology Ecosystem Mind Map
CBSE Class 12 Biology Ecosystem Notes Set A
CBSE Class 12 Biology Ecosystem Notes Set B
CBSE Class 12 Biology Ecosystem Study Guide
CBSE Class 12 Biology Environmental Issues Mind Map
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CBSE Class 12 Biology Environmental Issues Study Guide
CBSE Class 12 Biology Evolution Mind Map
CBSE Class 12 Biology Evolution Notes Set A
CBSE Class 12 Biology Evolution Notes Set B
CBSE Class 12 Biology Evolution Study Guide
CBSE Class 12 Biology Genetics Notes
CBSE Class 12 Biology How To Get Good Marks In Biology
CBSE Class 12 Biology Human Health And Disease Mind Map
CBSE Class 12 Biology Human Health And Disease Notes Set A
CBSE Class 12 Biology Human Health And Disease Notes Set B
CBSE Class 12 Biology Human Health And Disease Study Guide
CBSE Class 12 Biology Human Reproduction Mind Map
CBSE Class 12 Biology Human Reproduction Notes
CBSE Class 12 Biology Human Reproduction Study Guide
CBSE Class 12 Biology Microbes In Human Welfare Mind Map
CBSE Class 12 Biology Microbes In Human Welfare Notes Set A
CBSE Class 12 Biology Microbes In Human Welfare Notes Set B
CBSE Class 12 Biology Molecular Basis Of Inheritance Mind Map
CBSE Class 12 Biology Molecular Basis Of Inheritance Notes Set A
CBSE Class 12 Biology Molecular Basis Of Inheritance Notes Set B
CBSE Class 12 Biology Molecular Basis Of Inheritance Study Guide
CBSE Class 12 Biology Organisms And Populations Mind Map
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CBSE Class 12 Biology Other Chapters Notes And Questions
CBSE Class 12 Biology Parthenogenesis Notes
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CBSE Class 12 Biology Reproduction In Organisms Mind Map
CBSE Class 12 Biology Reproduction in Organisms Notes
CBSE Class 12 Biology Reproduction In Organisms Notes Set A
CBSE Class 12 Biology Reproduction In Organisms Notes Set B
CBSE Class 12 Biology Reproduction In Organisms Study Guide
CBSE Class 12 Biology Reproductive Health Notes Set A
CBSE Class 12 Biology Reproductive Health Notes Set B
CBSE Class 12 Biology Reproductive Health Study Guide
CBSE Class 12 Biology Respiration Notes
CBSE Class 12 Biology Sexual Reproduction In Flowering Plants Mind Map
CBSE Class 12 Biology Sexual Reproduction In flowering Plants Notes Set A
CBSE Class 12 Biology Sexual Reproduction In flowering Plants Notes Set B
CBSE Class 12 Biology Sexual Reproduction In flowering Plants Notes Set C
CBSE Class 12 Biology Strategies For Enhancement In Food Production Notes Set A
CBSE Class 12 Biology Strategies For Enhancement In Food Production Notes Set B
CBSE Class 12 Biology Strategies For Enhancement In Food Production Study Guide
CBSE Class 12 Biology Strategies For Enhancement Of Food Production Mind Map
CBSE Class 12 Biology Study Guide For All Chapters

CBSE Class 12 Biology HOTs Reproduction In Organisms Set C

Chapter-1 REPRODUCTION IN ORGANISMS

ONE MARK QUESTIONS:

1. Some organisms reproduce to produce genetically similar individuals.

What is the type of reproduction do they follow? Why are the individuals genetically similar?

2. How is gemma cup and gemmules differ from each other?

3. How is a nodal segment in sugarcane helpful as a reproductive unit?

4. How is vegetative propagation related to the following plants?

 


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CBSE Class 12 Biology HOTs All Chapters Set A
CBSE Class 12 Biology HOTs All Chapters Set B
CBSE Class 12 Biology HOTs Answers to HOTs Questions Database
CBSE Class 12 Biology HOTs Biodiversity
CBSE Class 12 Biology HOTs Biodiversity And Conservation Set A
CBSE Class 12 Biology HOTs Biodiversity And Conservation Set B
CBSE Class 12 Biology HOTs Biodiversity Set A
CBSE Class 12 Biology HOTs Biology in Human Welfare
CBSE Class 12 Biology HOTs Biotechnology And Its Applications
CBSE Class 12 Biology HOTs Biotechnology And Its Applications Set A
CBSE Class 12 Biology HOTs Biotechnology And Its Applications Set B
CBSE Class 12 Biology HOTs Biotechnology And Its Principles
CBSE Class 12 Biology HOTs Ecology
CBSE Class 12 Biology HOTs Ecosystem
CBSE Class 12 Biology HOTs Ecosystem Set A
CBSE Class 12 Biology HOTs Ecosystem Set B
CBSE Class 12 Biology HOTs Ecosystem Set C
CBSE Class 12 Biology HOTs Environmental Issues
CBSE Class 12 Biology HOTs Environmental Issues Set A
CBSE Class 12 Biology HOTs Environmental Issues Set B
CBSE Class 12 Biology HOTs Environmental Issues Set C
CBSE Class 12 Biology HOTs Evolution
CBSE Class 12 Biology HOTs Evolution Set A
CBSE Class 12 Biology HOTs Evolution Set B
CBSE Class 12 Biology HOTs Genetics and Evolution
CBSE Class 12 Biology HOTs Human Health and Disease
CBSE Class 12 Biology HOTs Human Health and Disease Set A
CBSE Class 12 Biology HOTs Human Health and Disease Set B
CBSE Class 12 Biology HOTs Human Reproduction
CBSE Class 12 Biology HOTs Human Reproduction Set A
CBSE Class 12 Biology HOTs Human Reproduction Set B
CBSE Class 12 Biology HOTs Microbes In Human Welfare
CBSE Class 12 Biology HOTs Microbes In Human Welfare Set A
CBSE Class 12 Biology HOTs Microbes In Human Welfare Set B
CBSE Class 12 Biology HOTs Microbes In Human Welfare Set C
CBSE Class 12 Biology HOTs Molecular Basis of Inheritance
CBSE Class 12 Biology HOTs Molecular Basis Of Inheritance Set A
CBSE Class 12 Biology HOTs Molecular Basis Of Inheritance Set B
CBSE Class 12 Biology HOTs Organism And Population Set A
CBSE Class 12 Biology HOTs Organism And Population Set B
CBSE Class 12 Biology HOTs Organisms And Environment
CBSE Class 12 Biology HOTs Principles And Processes
CBSE Class 12 Biology HOTs Principles And Processes Set A
CBSE Class 12 Biology HOTs Principles Of Inheritance And Variation
CBSE Class 12 Biology HOTs Principles Of Inheritance And Variation Set A
CBSE Class 12 Biology HOTs Principles Of Inheritance And Variation Set B
CBSE Class 12 Biology HOTs Reproduction
CBSE Class 12 Biology HOTs Reproduction In Organisms
CBSE Class 12 Biology HOTs Reproduction In Organisms Set A
CBSE Class 12 Biology HOTs Reproduction In Organisms Set B
CBSE Class 12 Biology HOTs Reproduction In Organisms Set C
CBSE Class 12 Biology HOTs Reproductive Health
CBSE Class 12 Biology HOTs Reproductive Health Set A
CBSE Class 12 Biology HOTs Reproductive Health Set B
CBSE Class 12 Biology HOTs Sexual Reproduction In Flowering Plants
CBSE Class 12 Biology HOTs Sexual Reproduction In Flowering Plants Set A
CBSE Class 12 Biology HOTs Sexual Reproduction In Flowering Plants Set B
CBSE Class 12 Biology HOTs Strategies For Enhancement In food Production
CBSE Class 12 Biology HOTs Strategies For Enhancement In food Production Set A
CBSE Class 12 Biology HOTs Strategies For Enhancement In food Production Set B
CBSE Class 12 Biology HOTs Strategies For Enhancement In food Production Set C

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Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

CBSE Class 12 Evaluation Criteria 2021

SUMMARY OF THE POLICY FOR TABULATION OF MARKS FOR CLASS XII BOARD EXAMINATIONS 2021   1(a) Due to cancellation of the Board examinations, the assessment of theory portion of 80/70/60/50/30 marks will be done by the school based on the following:     Class...

CBSE Board Examination Scheme of Assessment 2021 2022

A. Academic session to be divided into 2 Terms with approximately 50% syllabus in each term: The syllabus for the Academic session 2021-22 will be divided into 2 terms by following a systematic approach by looking into the interconnectivity of concepts and topics by...

Moderation of Marks Class 11 and 12 Board Exams

The portal for moderation and finalization of results for Class-12 is being opened from 16.07.2021 to 22.07.2021. As Board has to declare the result latest by 31.07.2021, schools have been requested to follow the schedule strictly and complete the moderation within...

CBSE asks schools to load Class 12 Internal Assessment Marks

This has a reference to the letter no CBSE/COORD/2021 dated 11.02.2021 regarding conduct of the School-Based Assessment (Internal Assessment/Practical/ Project) of Class-XII and uploading the marks by 11.06.2021. It has been observed that some schools have not been...

FAQs on Policy for Tabulation of Marks for Class 10 Board Exams

ON POLICY Question.1 How CBSE will declare the result of Class-X? Answer. Results of Class X Board will be declared on the basis of an objective criterion developed by the Board vide Notification no.CBSE/CE/2021 dated 01.05.2021. Question.2. If any candidate is not...

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