Amrita Vishwa Vidyapeetham | B.Tech Admissions 2025
ApplyRecognized as Institute of Eminence by Govt. of India | NAAC ‘A++’ Grade | Upto 75% Scholarships | Extended Application Deadline: 30th Jan
LPUNEST 2024: LPU has extended the LPUNEST 2024 phase 8 exam dates to September 30, 2024. Applicants must complete the registration for LPUNEST 2024 at nest.lpu.in. The authority activated the link for completing the application process of LPUNEST 2024 Phase 8 on August 1, 2024. Moreover, candidates could start the slot booking process along with the registration for LPUNEST 2024 from August 1, 2024. The registered applicants can download the LPUNEST admit card 2024 online. LPUNEST Phase 8 exam is being held from August 3 to September 30, 2024. Students who have passed 10+2 from a recognized board can apply for the LPUNEST exam. However, the last date to apply for phase 8 LPUNEST 2024 for BTech CSE courses was September 15, 2024.
Latest: LPU NEST Application Form Out: Apply Now
LPU NEST MBA 2025: Mock Test | Sample Papers | Preparation Tips (Section-wise)
To prepare for the LPUNEST 2024, candidates can follow the syllabus of LPUNEST and the exam pattern. LPUNEST aspirants can find here all the details regarding the application date, eligibility criteria, syllabus, exam pattern, exam date, best books, admit card, and more. Read the complete article to know more about the LPUNEST entrance exam 2024.
Also Read: JEE Main question paper with weightage
Lovely Professional University National Entrance and Scholarship Test, commonly known as LPUNEST, is conducted four times a year. The LPUNEST exam is conducted for admission to various undergraduate and postgraduate courses. Students who qualified in the LPUNEST 2024 will be offered admission to approximately 150+ courses. Interest students should also know that LPU has received the highest NAAC grade, A++ amongst all dual-mode (regular & distance education) universities in India. It has ranked 46th in the overall National Institutional Ranking Framework (NIRF) list.
Full Name of LPUNEST 2024 | Lovely Professional University National Entrance and Scholarship Test |
Short Name | LPUNEST |
LPUNEST 2024 Conducting Body | Lovely Professional University |
Frequency of Conduct | Four times a year |
Exam Level Of LPUNEST 2024 | University Level |
Languages of LPUNEST 2024 | English/Hindi |
LPUNEST registration mode | Online/Offline |
LPUNEST 2024 Registration Fee | Online: INR 1000 Offline: INR 1500 |
Mode of LPUNEST 2024 | Online Mode |
Mode of Counselling of LPUNEST 2024 | Online |
Participating Colleges in LPUNEST 2024 | 4 |
LPUNEST 2024 Paper Duration | 2 Hours and 30 Minutes |
The university has announced the LPUNEST exam date 2024 on the official website. Candidates willing to appear for the entrance exam can check the exam date of LPUNEST 2024 from this page as well. Candidates can go through the dates mentioned in the table given below.
Events | Schedule 1 | Schedule 2 | Schedule 3 | Schedule 4 | Schedule 5 | Schedule 6 | Schedule 7 | Schedule 8 |
Registration for LPUNEST 2024 | October 16, 2023 | January 26, 2024 | February 21, 2024 | April 1, 2024 | May 1, 2024 | June 1, 2024 | July 1, 2024 | August 1, 2024 |
Last date for LPUNEST Application 2024 | January 25, 2024 | February 15, 2024 | March 25, 2024 | April 30, 2024 | June 13, 2024 | July 12, 2024 | September 30, 2024 | |
LPUNEST 2024 Slot Booking | January 1 to January 25, 2024 | February 3 to 15, 2024 | March 1 to 25, 2024 | April 6, 2024 | June 1 to 13, 2024 | July 12, 2024 | September 30, 2024 | |
LPUNEST Entrance Exam date | January 20 to February 5, 2024 | February 15 to 29, 2024 | March 26 to April 10, 2024 (Offline mode) March 21 to Apil 10, 2024 (Online mode) | April 15 to May 4, 2024 | May 6 to 28, 2024 | June 5 to 15, 2024 | July 4 to July 15, 2024 | August 3 to September 30, 2024 |
LPUNEST 2024 Result date | February 8, 2024 | March 4, 2024 | April 15, 2024 | May 6 | May 8 to 30, 2024 | June 7 to 17, 2024 | July 6 to 17, 2024 | August 5 to October 3, 2024 |
Lovely Professional University has released the eligibility criteria for LPUNEST 2024 along with the information brochure on the official website. Candidates appearing for LPUNEST 2024 are required to adhere to the LPU 2024 eligibility criteria to get admission to their desired course. Candidates are advised to note that no candidate will be given admission if they are found ineligible at any stage of the admission. The LPUNEST 2024 eligibility includes Nationality criteria and the qualifying examination marks.
Particulars | Details |
Nationality For LPUNEST 2024 | Indian citizens can apply for the LPUNEST B.Tech course |
Qualifying Examination of LPUNEST 2024 | General category candidates should have passed 10+2/equivalent with Physics, Chemistry, and Mathematics with a minimum aggregate of 60% marks. Along with this candidates should have passed LPUNEST/JEE Main |
The authority commenced the LPUNEST 2024 registration. The final date to submit the LPUNEST application form for phase 8 has been extended to September 30, 2024. The last date was previously September 15, 2024. The authorities have released the LPUNEST 2024 application form online as well as offline mode. All the candidates willing to get admission to the university have to appear for the entrance exam. Therefore candidates are advised to submit the application form before the last date of the LPU registration to avoid any last-minute rush.
How To Fill LPUNEST 2024 Registration Form:
Candidates are required to pay the prescribed application fee of LPUNEST 2024 for submitting the application form. The LPU application fee 2024 for online mode and offline mode will be different and will vary according to the student category. Candidates can pay the application fee of LPUNEST 2024 online mode through Credit Card / Debit Card / other Banking modes.
Category | Mode | Gender | Amount |
ST, General, OBC, SC | Online | Male | ₹ 1000 |
ST, General, OBC, SC | Online | Female | ₹ 500 |
ST, General, OBC, SC | Offline | Male | ₹ 1500 |
ST, General, OBC, SC | Offline | Female | ₹ 1000 |
The LPUNEST slot booking 2024 for phase 8 will be concluded on September 30, 2024. The authority commenced the slot booking on August 1. As the name suggests, slot booking is done to book a slot for the exam date and the shift. Slot booking for LPUNEST 2024 can be done through online mode. Candidates are advised to book the preferred slots at the earliest since it is based on a first-come, first-serve basis. LPUNEST 2024 slot booking can be done using the login credentials. No candidate can sit for the exam without booking a slot. The LPUNEST 2024 admit cards will be generated after the completion of slot booking.
The university has released the LPUNEST 2024 syllabus along with the information brochure of the LPUNEST exam. The syllabus of LPUNEST 2024 is available in PDF format that can be downloaded by the candidates from the official website. Candidates can check the LPUNEST syllabus 2024 from below mentioned table.
Candidates can find the exam pattern of LPUNEST 2024 on the official website of the university. The authorities have released the LPUNEST 2024 exam pattern along with the information brochure. The LPUNEST exam pattern 2024 will consist of the type of questions that will be asked in the question paper, the number of questions asked, the marking scheme, the exam mode, etc. Knowing the exam pattern of LPUNEST 2024 will help the candidates perform better in the exam.
Particulars | Details |
Examination Mode | Online |
Duration of Exam | 2 Hours and 30 Minutes |
Medium of Exam | English/Hindi |
Sections | There will be five sections-
|
Number of Questions | 120 questions in each paper |
Marking Scheme | There will be no negative marking |
Before starting your preparation for the entrance exam, candidates should check the preparation tips of LPUNEST 2024. Knowing the LPUNEST preparation tips 2024 will help candidates know how to study, what to study, and what topics should be focussed more. Candidates appearing for the exam can check the LPUNEST 2024 preparation tips from below:
A student’s preparation strategy is incomplete without knowing the LPUNEST 2024 best books for preparation. These best books for LPUNEST 2024 preparation will help you understand the exam, score better marks and get admission into your desired course. But one thing should be remembered by the candidates that they should not get a lot of books instead pick up limited but good ones. Here Careers360 has given the list of LPUNEST 2024 best books for preparation.
Best Books For Physics | Best Books For Chemistry | Best Books For Maths |
Concepts of Physics Vol I and II by H.C. Verma | NCERT Textbook for Class XI & XII | Maths XI & XII by R.D. Sharma |
Problems in General Physics by I.E Irodov | Organic Chemistry by O P Tandon | Higher Algebra By Hall and Knight |
Objective Physics Vol 1 Or 2 by DC Pandey and Arihant team | Modern Approach to Chemical Calculations By RC Mukherjee | Problems in Calculus of One Variable By I A Maron |
The Lovely Professional University released the LPUNEST 2024 at nest.lpu.in. Candidates will be able to download the admit card of LPUNEST 2024 from the official website using their login credentials. Students have to book a slot for LPUNEST 2024 after which they can download the LPUNEST 2024 admit cards. Candidates can check the below-mentioned steps to download their LPU Admit Card 2024.
How To Download LPUNEST Admit Card 2024:
Candidates can check the exam day guidelines of LPUNEST 2024 from the admit card. All the students who will be appearing for the exam are required to follow these guidelines else they will face actions taken against them. For your reference, we have given a set of exam guidelines of LPUNEST that needs to be followed by the candidates.
Candidates who will be appearing for the upcoming exam can check the list of LPUNEST exam centres 2024 from the official website. The exam conducting authorities will release the list of exam centres of LPUNEST 2024 to help candidates know the cities they can opt for to appear in the LPU examination. Candidates will be required to give 5 preferences of exam centres/exam dates for LPUNEST 2024 during the slot booking.
Candidates should practice the LPUNEST sample papers 2024 to understand the paper pattern before appearing for the actual examination. The sample papers of LPUNEST 2024 will help candidates analyse their weak and strong areas and help them prepare accordingly. The LPUNEST 2024 sample papers will boost the confidence of students and therefore will score better marks in the examination. Candidates can find the LPUNEST sample papers 2024 at nest.lpu.in. Candidates can use the below-mentioned link where we provide the LPUNEST sample papers on this page itself for your convenience.
Sample papers for LPUNEST 2024 |
LPU will release mock tests on their official website. It is important to practice the mock test as it will be aligned with the exam pattern and help develop familiarity with the test. The LPUNEST mock test can be used for self-assessment and is thus an important tool during the preparation. By taking mock tests candidates also develop time management that will help them during the actual examination. Mock tests can also be used for revision purposes to check how much is the candidate able to retain and what topics need revision. Thus the LPUNEST 2024 mock test is a recommended resource for all LPU aspirants.
The exam conducting authorities will release the question paper of LPUNEST 2024 after successfully conducting the examination. As this year’s LPUNEST question paper will not yet be available, candidates can download the previous year’s paper and solve it. Candidates can find the link to download the previous year question paper of LPUNEST at the official website. Though candidates can also download the previous year question paper from this page.
LPUNEST Previous Year Question Paper |
Though the examination authorities do not release the answer key of LPUNEST 2024, if it is released, candidates will be able to check it from the official website and this page as well. Candidates will be able to compare their responses with the official answer key of LPUNEST 2024.
How To Download LPUNEST 2024 Answer Key:
Candidates who will be appearing for the upcoming LPUNEST will be able to check the LPUNEST 2024 results on the official website of LPU, nest.lpu.in. The authority will release the LPUNEST 2024 result 48 hours after the conclusion of the exam. To download the results of LPUNEST 2024, candidates can follow these simple steps.
How To Download LPUNEST 2024 Result:
The examination conducting authorities will release the LPUNEST 2024 cut-off. Meeting the cut-off is required to qualify for the exam and get admission to the desired course. Candidates who sit for the exam will be able to check the cutoff of LPUNEST 2024 at nest.lpu.in. Meanwhile, students can check the previous year cutoff to have an estimate of the expected LPU cut-off.
Course/ Degree Name | Total Marks | Scholarship Category | Marks Required 2022 |
B.Tech | 400 | Bracket 1 | 330 marks out of 400 |
400 | Bracket 2 | 230 Marks out of 400 | |
400 | Bracket 3 | 150 Marks out of 400 |
The schedule of LPUNEST 2024 counselling will be available on the official website of LPU. The counselling of LPUNEST 2024 will be conducted through centralized counselling for all the courses of the university. To participate in the LPUNEST 2024 counselling students will be required to register themselves for the procedure before the last date. Further instructions regarding the counselling of LPUNEST 2024 will be provided through the official information brochure.
Lovely Professional University also provides scholarships to students based on their scores obtained in the LPUNEST entrance exam. LPUNEST scholarships are awarded to candidates based on their performance in any of the following categories:
Merit Scholarship: Scholarships are awarded to candidates based on their performance in any of the following categories:
Financial Aid
Here is the contact detail for LPUNEST. In case of any LPUNEST-related query candidates may contact the following:
Address- Lovely Professional University, Project Head (LPUNEST), Jalandhar-Delhi G.T. Road (NH -1), Phagwara (Punjab), India – 144411
email- lpunest@lpu.co.in
contact number- 01824 - 404430
toll free number- 1800-102-4407
The last date to fill LPUNEST 2024 application form for round 8 is September 30, 2024.
Candidates need to complete the LPUNEST 2024 slot booking process to download the admit card.
Yes, candidates can submit the LPUNEST application form 2024 in online mode.
Yes, the authorities will begin the LPUNEST 2024 registration portal for each phase.
The LPUNEST question paper will consist of a total of 75 questions.
As per the eligibility criteria of LPU NEST B.Tech 2024, only Indian Nationals are allowed to take up the exam.
Nearly 150+ marks are good enough to get admission to the lovely professional university.
Application Date:03 September,2024 - 19 February,2025
Here's the syllabus for
LPUNEST:
Lovely Professional University offers a four-year BTech in Computer Science and Engineering programme at the undergraduate level. Candidates seeking admission to the BTech CSE offered at LPU are required to obtain a minimum of 60% aggregate in the Class 12 with Physics, Mathematics and English or equivalent subject to qualifying LPUNEST . 55% aggregate in the qualifying examination for North-East states and Sikkim candidates or Defence Personnel and their Dependents or Wards of Kashmiri Migrants. The admission will be based on the merit in LPUNEST, subject to fulfilling eligibility criteria. As you have qualified the NIOS exams, you are eligible to get admission in the BTech CSE programme offered at LPU.
For LPUNEST exam, students will prepare with full of concentration and hard work. Students collect study material to crack LPUNEST exam. It is proctor based test of 3 hours. In that, students should also take care about the negative marking in exam. For this you should focus on your 4 major subjects which is related to your previous studies.
Hi there, it seems that you will get the program of your choice. Since you have cleared your exam. Soon university will call you for counselling. The things will become clear once you reach there. Good Luck
Dear reader,
Lovely Professional University's Bachelor of Technology in Computer Science and Engineering (CSE) programme is a highly sought-after course, and the university has established a set of eligibility criteria to ensure that only the most deserving candidates are selected. To be eligible for admission to LPU's B.Tech CSE programme, students must have completed their 12th standard examination from a recognized board with a minimum aggregate of 60% marks. Additionally, students must have studied Physics, Mathematics, and English as compulsory subjects in their 12th standard. Furthermore, students must have a valid score in the LPU National Entrance and Scholarship Test (LPUNEST) or JEE Mains. Meeting these criteria demonstrates a student's academic excellence and prepares them for the rigors of the CSE programme. By setting these standards, LPU ensures that its students are well-equipped to succeed in their academic pursuits and future careers.
I hope this information helps.
A flight attendant is a professional whose primary duty is to ensure the safety and comfort of passengers during an airline flight. An individual who is pursuing a career as a flight attendant is part of the cabin crew for the plane, a team of personnel who operate a commercial, business, or even military aircraft while travelling domestically or internationally.
An individual pursuing a career as a flight attendant is specially trained for the aircraft in which he or she works since passenger safety is their foremost concern. In this article, we will discuss how to become a flight attendant in India or how to become a flight attendant after graduation.
An aerospace engineer is an individual who develops new ideas and technologies that can be used in defence systems, aviation, and spacecraft. He or she not only designs aircraft, spacecraft, satellites, and missiles but also creates test vehicles to ensure optimum functionality. Aerospace engineering is a branch of engineering that deals with the study, design, and development of aerial vehicles such as aircraft and spacecraft.
Aerospace engineering jobs deal with employees who design or build missiles and aircraft for national defence, or spacecraft. Aerospace engineering or aircraft engineering is often referred to as rocket science. The bottom line is that the person who is pursuing a career in aerospace engineering has to deal with multiple teams at different levels and work across various technologies.
A career in the aviation industry always sounds exciting. But, there is no scope for the slightest error as it may cost the lives of many people. A Flight Engineer role comes with the responsibility of monitoring the aircraft engine and control systems while in flight. Whenever the aircraft is away from the home station, he or she is required to perform pre-flight and post-flight inspections
An aircrew officer or airline commanders fly aircraft to provide transportation to passengers or cargo. The aircrew officer operates the engines of aircraft and controls to navigate and fly the airplane. The ability to learn new technologies every time and to stay up-to-date with the changes in the industry is what the aircrew officer should possess.
This could be possible through membership with professional pilot associations. The aircrew officer is also one of the highest-paid professionals and the job is quite coveted. Keep reading to find out what you need to know about how to become aircrew officer.
You may also read career as Airline Pilot.
An air hostess is a flight attendant also known as a cabin crew or steward. An air hostess undertakes several pre-flight, in-flight, and post-flight duties and is responsible for ensuring the safety and comfort of passengers on both national and international flights. A career as an air hostess might be desirable for you if you are excited about a job in which you can help people and travel to exciting places.
Air hostesses play a crucial role in the flight crew, working closely with pilots and ground personnel to provide a safe and comfortable travel experience, even beyond their hospitality responsibilities. Being flexible, having strong communication skills, and being dedicated to the comfort of passengers are all necessary for their dynamic function, which makes them essential to the entire travel experience.
An Aeronautical Engineer job comes with the responsibility of designing aircraft and thrust systems. He or she is employed in aviation, defence or civil aviation industries. Aeronautical Engineer is generally engaged in the design of aircraft and propulsion systems as well as the analysis of building materials and aircraft's aerodynamic performance. The role of an Aeronautical Engineer may involve assembling parts of aircraft, testing and maintaining them.
A Safety Manager is a professional responsible for employee’s safety at work. He or she plans, implements and oversees the company’s employee safety. A Safety Manager ensures compliance and adherence to Occupational Health and Safety (OHS) guidelines.
Are you searching for an 'airline pilot job description'? An airline pilot or airline commander flies aircraft and helicopters to provide transportation to passengers or cargo. The airline pilot operates the engines of the aircraft and controls them to navigate and fly the airplane. The ability to learn new technologies every time and to stay up-to-date with the changes in the industry is what aviators should possess. The career as airline pilot is also one of the highest-paid professionals and the job is quite coveted.
Welding Engineer Job Description: A Welding Engineer work involves managing welding projects and supervising welding teams. He or she is responsible for reviewing welding procedures, processes and documentation. A career as Welding Engineer involves conducting failure analyses and causes on welding issues.
A career as Transportation Planner requires technical application of science and technology in engineering, particularly the concepts, equipment and technologies involved in the production of products and services. In fields like land use, infrastructure review, ecological standards and street design, he or she considers issues of health, environment and performance. A Transportation Planner assigns resources for implementing and designing programmes. He or she is responsible for assessing needs, preparing plans and forecasts and compliance with regulations.
Individuals who opt for a career as an environmental engineer are construction professionals who utilise the skills and knowledge of biology, soil science, chemistry and the concept of engineering to design and develop projects that serve as solutions to various environmental problems.
A Safety Manager is a professional responsible for employee’s safety at work. He or she plans, implements and oversees the company’s employee safety. A Safety Manager ensures compliance and adherence to Occupational Health and Safety (OHS) guidelines.
A Conservation Architect is a professional responsible for conserving and restoring buildings or monuments having a historic value. He or she applies techniques to document and stabilise the object’s state without any further damage. A Conservation Architect restores the monuments and heritage buildings to bring them back to their original state.
A Structural Engineer designs buildings, bridges, and other related structures. He or she analyzes the structures and makes sure the structures are strong enough to be used by the people. A career as a Structural Engineer requires working in the construction process. It comes under the civil engineering discipline. A Structure Engineer creates structural models with the help of computer-aided design software.
Highway Engineer Job Description: A Highway Engineer is a civil engineer who specialises in planning and building thousands of miles of roads that support connectivity and allow transportation across the country. He or she ensures that traffic management schemes are effectively planned concerning economic sustainability and successful implementation.
Are you searching for a Field Surveyor Job Description? A Field Surveyor is a professional responsible for conducting field surveys for various places or geographical conditions. He or she collects the required data and information as per the instructions given by senior officials.
Individuals who opt for a career as geothermal engineers are the professionals involved in the processing of geothermal energy. The responsibilities of geothermal engineers may vary depending on the workplace location. Those who work in fields design facilities to process and distribute geothermal energy. They oversee the functioning of machinery used in the field.
A geologist attempts to comprehend the historical backdrop of the planet we live on, all the more likely to anticipate the future and clarify current events. He or she analyses the components, deployments, results, physical characteristics, and past of the planet. A geologist examines the landforms and landscapes of the earth in relation to the geology, climatic, and human processes that have shaped them.
A geologist studies earth procedures, for example, seismic tremors, avalanches, floods, and volcanic eruptions to review land and draw up safe structure plans. When he or she researches earth materials, explores metals and minerals, yet in addition search for oil, petroleum gas, water, and strategies to extricate these.
Energy efficiency engineering is a broad field of engineering which deals with energy efficiency, energy services, facility management, plant engineering, and sustainable energy resources. Energy efficiency engineering is one of the most recent engineering disciplines to emerge. The field combines the knowledge and understanding of physics, chemistry, and mathematics, with economic and environmental engineering practices. The main job of individuals who opt for a career as an energy performance engineer is to find the most efficient and sustainable path to operate buildings and manufacturing processes.
Individuals who opt for a career as energy performance engineers apply their understanding and knowledge to increase efficiency and further develop renewable sources of energy. The energy efficiency engineers also examine the use of energy in those procedures and suggest the ways in which systems can be improved.
A career as a Petroleum engineer is concerned with activities related to producing petroleum. These products can be in the form of either crude oil or natural gas. Petroleum engineering also requires the exploration and refinement of petroleum resources. Therefore, a career as a petroleum engineer comes up with oil and gas onshore jobs. There are also desk jobs in the petroleum industry. In layman’s terms, a petroleum engineer is a person who finds the best way to drill and extract oil from oil wells. Individuals who opt for a career as petroleum engineer also tries to find new ways to extract oil in an efficient manner.
A career as Transportation Planner requires technical application of science and technology in engineering, particularly the concepts, equipment and technologies involved in the production of products and services. In fields like land use, infrastructure review, ecological standards and street design, he or she considers issues of health, environment and performance. A Transportation Planner assigns resources for implementing and designing programmes. He or she is responsible for assessing needs, preparing plans and forecasts and compliance with regulations.
A career as a civil engineer is of great importance for the infrastructural growth of the country. It is one of the most popular professions and there is great professional as well as personal growth in this civil engineering career path. There is job satisfaction in this civil engineering career path, but it also comes with a lot of stress, as there are multiple projects that need to be handled and have to be completed on time. Students should pursue physics, chemistry and mathematics in their 10+2 to become civil engineers.
A career as a Transportation Engineer is someone who takes care of people's safety. He or she is responsible for designing, planning and constructing a safe and secure transportation system. The transportation sector has seen a huge transformation and is growing day by day and improving every day.
As a Transport Engineer, he or she needs to solve complex problems such as accidents, costs, traffic flow, and statistics. A Transport Engineer also collaborates for projects with some other companies.
A loco pilot or locomotive pilot is a professional responsible for operating trains. He or she starts, stops, or controls the speed of the train. A locomotive pilot ensures that the train operates according to time schedules and signals. These loco pilots are responsible for carrying people and products to distinct destinations.
A loco pilot has thorough knowledge and understanding of the railway operations, rules, regulations, protocols, and measures to take in times of emergency. Their role is crucial in ensuring passenger and freight trains' smooth and safe operation. Here, in this article, we will discuss everything on how to how to become a loco pilot.
Recognized as Institute of Eminence by Govt. of India | NAAC ‘A++’ Grade | Upto 75% Scholarships | Extended Application Deadline: 30th Jan
Among Top 30 National Universities for Engineering (NIRF 2024) | 30+ Specializations
Ranked #42 among Engineering colleges in India by NIRF | Highest CTC 50 LPA , 100% Placements
NAAC A++ Accredited | Accorded institution of Eminence by Govt. of India | NIRF Rank #6
Ranked #1 Among all Private Indian Universities in QS Asia Rankings 2025 | Scholarships worth 210 CR
Gateway for admissions to Engineering courses @ Symbiosis