The National Standard Examination in Biology (NSEB) is administered by the Association of Teachers in Biological Services (ATBS), in partnership with the Indian Association of Physics Teachers (IAPT) and the Homi Bhabha Center for Science Education (HBCSE). The NSEB exams are administered by the National Standard Examination Board (NSE).
The National Science Olympiads are held annually by the National Standard Examination (NSSE) to encourage students and provide them a chance to compete internationally. The NSEB test is a component of the NSE (National Standard Examination). Exam eligibility for students who have not finished Class 12 is available. The NSEB is carried out using a paper-based method. Everything you need to know about the NSEB 2023 examination, including the syllabus, format, prerequisites, and more, is explained in this article.

NSEB Exam Highlights
| Exam Conducting Body | Association of Teachers in Biological Services (ATBS) Homi Bhabha Center for Science Education (HBCSE) Indian Association of Physics Teachers (IAPT) |
| Eligibility | Students below Class 12 |
| Aim | To assist students in putting their Science knowledge to the test by competing against other students |
| Frequency | Annual |
| Mode of Application/ Mode of Exam | Offline |
| Exam Difficulty Level | Intermediate |
| Application Fee | ₹200 |
| Exam Duration | 2 Hours |
NSEB: Examination Dates
| Events | Dates(Tentative) |
| Centre registration | August |
| Student enrolment | August |
| Date for NSEB Exam | November |
| Expected date of results | December |
NSEB: National Standard Examination in Biology Stages
- The NSEB is held to assess students’ biology skills and provide them with a platform to compete in international Olympiads. The NSEB Olympiad is divided into five phases. All the phases are mentioned here in detail:
- The NSEB (National Standard Examination in Biology) is the first stage, and all students in grades 1 to 12 are entitled to participate after enrolling for the tests.
- The Indian National Olympiad or Indian National Biology Olympiad is the second stage of the exam, and only 300 qualified students who scored higher than others are allowed to compete. INBO is held at 15 locations around the country.
- In Biology, Stage 3 is the Orientation cum Selection Camp (OCSC), when the top 35 students from the merit list are chosen.
- The top four students go to Stage 4, also known as Pre-Departure Training Camp (PDT). The training will last two weeks.
- Students in Stage 5 compete in the International Biology Olympiad (IBO), and represent their school and country on a global scale.
NSEB Eligibility Criteria
Here are the details of the NSEB Eligibility criteria.
- The learner must first and foremost be an Indian citizen.
- The NSEP test is designed for students in grades 9 and 10.
- Date of birth between 1 July 2004 and 30 June 2009, both days inclusive.
- Must be residing and studying in India since 30 November 2021 or earlier. Must be studying in an Indian school system since 30 November 2021 or earlier. OR Must be studying in an Indian school system since 30 November 2021 or earlier
- Must not have completed (or scheduled to complete) class 12 board examination earlier than 30 November 2023
- Must not have commenced (or planning to commence) studies in a university or equivalent institution by 1 June, 2023.
- Must not be appearing in NSEJS 2023
Registration for NSEB 2023
For pupils interested in studying or pursuing biology, there is a nationwide exam called the Nationwide Science Education Board (NSEB). Examine the information on the NSEB application form, and keep in mind that students who wish to sit for NSEB exams must first register by following the steps listed below:
- Students need to fill out the registration forms that are provided by their specific schools or institutions.
- Students need to enroll through their individual schools or institutions.
- A filled-out application form and a 200 INR registration fee must be submitted.
- Once the registration fees have been paid, there will be no reimbursement.
- Students will not be allowed to take the NSEB exams and will be immediately disqualified if the registration forms are not correctly completed.
- Students can register at a nearby center if their particular school or college is not listed with the NSE center.
Exam Pattern and Marking Scheme for NSEB
Students should acquaint themselves with the NSEB exam format before to taking the test. Because it helps students visualize the exam day realistically, the NSEB test design is essential. Below is a list of the NSEB exam format and marking guidelines:
| Exam Timings | 2:30 pm to 4:30 pm (tentative) |
| Duration of Exam | Two hours |
| Test Paper Level/ Syllabus | Is broadly equivalent to senior secondary level (up to and including Class XII) of CBSE India |
| Test Medium/ Language | Question paper will be in English & Hindi (Option during registration). Type of questions – Objective type with multiple choices |
| Sections | Two parts |
| Total Number of Questions | 60 MCQs |
| Total Marks | 216 Marks |
NSEB Syllabus and Topics
Check the details of the NSEB Syllabus and topics here.
| S.No. | Chapters | Topics Included |
| 1 | Diversity Of Living | The Living World Biological Classification Plant Kingdom Animal Kingdom |
| 2 | Structural Organization in Animals and Plants | Morphology and Anatomy of Flowering Plants Structural Organisation in Animals |
| 3 | Cell: Structure and Function | Cell theory and cell as the basic unit of life Biomolecules Cell Cycle and Cell Division |
| 4. | Plant Physiology | Transport In Plants Mineral Nutrition Photosynthesis and Respiration in Higher Plants Plant – Growth and Development |
| 5 | Human Physiology | Digestion & Absorption Breathing & Exchange Of Gas Body Fluids and Circulation Excretory Products and Their Elimination Locomotion and Movement Neural Control and Coordination Chemical Coordination and Integration |
| 6 | Reproduction In Organisms | Types, modes, and the process of reproduction Asexual reproduction Sexual reproduction Pre-fertilization events Fertilization and post-fertilization events |
| 7 | Sexual Reproduction in Flowering Plants | Flower Structure Morphology Of Flower The process of sexual reproduction in flowering plants. Development of male and female gametophytes Pollination Double fertilization Post fertilization Events-Development of endosperm and embryo Development and significance of seed and formation of fruit |
| 8 | Human Reproduction | Male and female reproductive systems Microscopic diagram elaborating anatomy of testis and ovary Gametogenesis − Spermatogenesis, Oogenesis Menstrual cycle Fertilization, implantation pregnancy, and placenta formation Parturition and Lactation |
| 9 | Reproductive Health | The need for reproductive health Prevention of sexually transmitted diseases (STD) Birth control − need and methods, contraception, Medical Termination of Pregnancy (MTP) Amniocentesis Infertility and assisted reproductive technologies |
| 10 | Principles Of Inheritance And Variation | Covers the topics of Genetics and Evolution Similarity and variation between the parents and offspring Mendel”s law of inheritance Sex determination Mutations genetic disorders |
| 11 | Molecular Basis of Inheritance | DNA as genetic material Structure of DNA and RNA DNA- packaging, replication, fingerprinting Central dogma, Transcription, genetic code, translation Gene expression and regulation − Lac Operon Genome and human genome project |
| 12 | Evolution | Darwin’s contribution Modern Synthetic Theory of Evolution Mechanism of evolution − Variation, Natural Selection and types of natural selection Gene flow and genetic drift Hardy – Weinberg’s Principle Adaptive Radiation |
| 13 | Human Health And Diseases | Maintenance of optimum health Diseases- types, treatment, and prevention Immunity and its types Adolescence, drug and alcohol abuse |
| 14 | Strategies for Enhancement in Food Production | Improvement in food production techniques Plant breeding, Tissue culture Single-cell protein Biofortification, Apiculture Animal husbandry |
| 15 | Microbes in Human Welfare | In household food processing and industrial production Sewage treatment Energy generation Biofertilizers Antibiotics- Production and judicious use |
| 16 | Biotechnology – Principles and Processes | Principles and processes involved in biotechnology like genetic engineering (Recombinant DNA technology). |
| 17 | Biotechnology and Its Applications | The application processes of Biotechnology in health and agriculture |
| 18 | Organisms and Populations | Organisms and environment- Habitat, Niche, Population and Ecological adaptations Population interactions- Mutualism, Competition, Predation, Parasitism Population attributes |
| 19 | Ecosystem | Ecological Patterns, components, productivity, decomposition Energy flow in the ecosystem Pyramids of number, biomass, energy Carbon and Phosphorous Nutrient cycles Ecological succession and services |
| 20 | Biodiversity and Its Conservation | Concept, Patterns, Importance, and loss of biodiversity Biodiversity conservation ways |
| 21 | Environmental Issues | Air and water pollution and its control methods Agrochemicals and their effects Solid waste management Radioactive waste management Greenhouse effect and climate change Ozone layer depletion Deforestation |
NSEB Admit Card
Via the official IAPT website, iapt.org.in, students can obtain their admission card for the NSEB examination. Every student needs to visit the official website, fill out the required information, and download the admission card. The student’s details and exam-related details, such the exam’s name, date, and time, location, and so on, will be included on the NSEB admittance card. The admissions office or the responsible center shall testify to the students’ admissions cards. Students also need to bring their admittance cards to the testing locations.
NSEB Result
The provisional results for every applicant who took the NSEB are available on the IAPT website around December 25. The NSE final result, or merit list, is published on the IAPT website on January 1st of the subsequent year. The student’s name, ID, roll number, domicile, and school name are all listed on the NSEB result sheet. The results are available for download and printing by all eligible candidates for their records.
Frequently Asked Questions on NSEB
Q1 What prerequisites must one meet in order to sit for the Biology National Standard Examination?
Since the NSEB exam is primarily intended for higher secondary students, those who wish to take it must be citizens of India and be in the 12th grade or below. An additional essential need for NSEB qualification is that the applicant cannot have taken their board exam by November.
Q2 How does one go about taking the Biology National Standard Examination?
Interested candidates must register online, through their schools, or at any of the nationwide registered centers. The National Standard Examination in the Biology registration form can only be completed by the Institutions and the responsible registration center. The 200 rupee registration fee for the NSEB is required to be paid.
Q3 How does one go about applying to take the Biology National Standard Examination?
Applicants for the National Standard Examination in Biology (NSEB) may submit an independent application or apply through their institution or school. In order to ensure timely processing, students who registered from a state other than their school’s must send a copy of their admit card from the National Standard Examination in Biology along with their school ID to the Indian Association of Physics Teachers (IAPT). The IAPT email address can be found on their official website.
Q4 Where can I find the NSEB results?
On iapt.org.in, the official website of the IAPT, students can check their NSEB results.
Q5 Does the NSEB exam have a negative marking policy?
Yes, for every correct response, students gain three points, and for every incorrect response, they lose one point from their final total.
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