NEET 2022 Biology Important Questions Chapter-wise (2022)

NEET-UG 2022 comprises 180 questions that are divided into three sections, i.e., Physics (45 questions), Chemistry (45 questions), and Biology (90 questions). It means the weightage of the Biology section is more than the other two sections.

One of the smart techniques to prepare for the NEET 2022 exam is to know about the important questions from each chapter. This article will help you with important questions from each Biology chapter for the NEET 2022 exam.

Also See:

NTA NEET UG 2022 Entrance Exam: Check Important Instructions, Reporting Time, Question Paper Difficult Level and Analysis

Chapter-wise Important Questions for NEET 2022 Biology

Chapter 1: The Living World

1. What is the correct representation of organisation levels in living beings?

Atomic→Molecular→Subcellular→Cellular→Tissue→Organ System→Individual

2. What is the first step of taxonomy?

The first step of taxonomy is the identification of the organism.

Chapter 2: Biological Classification

1. What is the sequence of taxonomic categories?

Division→Class→Order→Family→Tribe→Genus→Species

2. What do you mean by Biological Classification?

To identify dissimilarities among organisms and place them into groups that reflect their most important features and relationship.

Chapter 3: Plant Kingdom

1. Why does Funaira require water?

In Funaira, fertilisation occurs only in water. Therefore, it requires water.

2. What do you mean by Phenetics?

Phenetics is a method of classification based on similarities between organisms without regard to their evolutionary relationships. In this classification, the organisms are arranged according to the overall similarities of existing organisms based on observation characters.

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Chapter 4:Animal Kingdom

1. Name the two animals that have non-glandular skin.

Chameleon and Turtle.

2. Name the common feature shared by birds and mammals.

Both are warm-blooded.

Chapter 5: Morphology of Flowering Plants

1. What are adventitious roots?

Roots developed from the part of the plant other than the radicle are called adventitious roots.

2. Where does the placenta attach to develop the seed?

It is attached to the developing seed near the hilum.

Also Read: NEET Previous Year Question Papers with Solutions

Chapter 6: Anatomy of Flowering Plants

1. What is the responsibility of the pericycle in roots?

To form the lateral roots.

2. Why is grafting not possible in monocots?

Grafting is not possible in monocots because they lack cambium.

Chapter 7: Structural Organisation of Animals

1. Who secretes the non-cellular basement membrane of epithelial cells?

The epithelium and connective tissues secrete it.

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2. Which system is associated with pseudostratified ciliated columnar epithelium?

Respiratory system.

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Chapter 8: Cell: The Unit of Life

1. Give an example of the dye not used for staining chromosomes?

Safranin stain is not used for staining chromosomes.

2. Who proposed the fluid mosaic model of the plasma membrane?

J. Singer and G. L. Nicolson proposed the improved model of cell membrane structure. Later this model was widely accepted as the fluid mosaic model.

Chapter 9: Biomolecules

1. What does glycogen make up?

Glycogen is made of glucose units.

2. What is the most plentiful component of a cell in a living organism?

The most abundant component of a cell is water.

Chapter 10: Cell Cycle and Cell Division

1. Where does the nuclear membrane disappear?

The nuclear membrane disappears in the Late Prophase.

2. Where does pairing between homologous chromosomes take place?

In the zygotene stage of prophase-I.

Chapter 11: Transport in Plants

1. What happens when potassium ions enter the guard cells?

When K⁺ ions enter the guard cells, stomata open, and when K⁺ ions exit the guard cells, stomata close.

2. What is the use of a Potometer?

It is used to determine the rate of transpiration in plants.

Chapter 12: Mineral Nutrition

1. Which bacteria converts ammonia into nitrite?

Nitrosomonas.

2. What is Hydroponics?

It is the technique of growing plants without soil in the nutrient solution.

Chapter 13: Photosynthesis in Higher Plants

1. To form a glucose molecule, how many molecules of ATP and NADPH₂ are required in plants?

Plants required 18 molecules of ATP and 12 molecules of NADPH₂ during the formation of glucose.

2. What is the correct sequence of stages of the Clavin cycle?

Carboxylation→Reduction→Regeneration

Chapter 14: Respiration in Plants

1. Why does R. Q. get highest when the respiratory substance is maleic acid?

It happens because maleic acid is an organic acid that produces CO₂ after oxidation. Due to which R. Q. gets highest.

2. It is said that Phosphorus plays an important role in the energy metabolism process. Why?

It is because Phosphorus produces ATP energy during the energy metabolism process.

Chapter 15: Plant Growth and Development

1. What is differentiation?

It is the process when totipotent embryonic stem cells change their structure, shape, and chemistry to meet the function they perform.

2. Why is abscisic acid known as a stress hormone?

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Abscisic acid is known as a stress hormone because it increases the tolerance of plants to various stresses.

Chapter 16: Digestion and Absorption

1. Why do you lose hunger in a fever?

Hunger is excited with the average decrease in body temperature. As the body’s temperature increases in fever, hunger is lost.

2. How many monophyodont teeth are there in human beings?

There are eight premolars and four molars in human beings.

Chapter 17: Breathing and Exchange of Gases

1. What is the correct sequence of the air passage in a man?

External nares→Nasopharynx→Larynx→Trachea→Bronchi→Bronchioles→Alveoli

2. Why is CO more toxic than CO₂?

Haemoglobin shows a maximum affinity for CO, and CO reduces the oxygen-carrying capacity of haemoglobin. It makes CO more toxic than CO₂.

Chapter 18: Body Fluids and Circulation

1. What is Pericardium?

The heart is encircled in a double-walled sac known as Pericardium.

2. Name the doctor who performed the first heart transplant.

William Harvey.

Chapter 19: Excretory Products and Their Elimination

1. In which part does Aldosterone act?

Distal Convoluted Tubule (DCT).

2. Which part of the nephron is also called Renal Corpuscle?

Bowman’s capsule and Glomerulus.

Chapter 20: Locomotion and Movement

1. What is muscular dystrophy?

A genetic disorder resulting in progressive degeneration of skeletal muscles is called muscular dystrophy.

2. What is Rigour Mortis?

Rigidity produced in muscles after the death of the person is called Rigour Mortis.

Chapter 21: Neural Control and Coordination

1. How does the potential of the resting membrane maintain?

Resting membrane potential is maintained by ion pumps.

2. Who controls the function of visceral organs?

Sympathetic and parasympathetic neural systems control it.

Chapter 22: Chemical Coordination and Integration

1. What is the responsibility of thymosin?

It’s responsible for the differentiation of T-lymphocytes.

2. What is the name of the group of hormones produced by Leydig cells?

They produce a group of hormones called androgens.

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Chapter 23: Reproduction in Organisms

1. Match the following:

Column AColumn B
PotatoConjugation
SpirogyraStem cuttings
RoseConidiospores
PenicilliumStem tubers

Potato – Stem tuber, Spirogyra – Conjugation, Rose – Stem cuttings, Penicillium – Conidiospores

2. Why are dogs called seasonal breeders?

Dogs are seasonal breeders because they exhibit the oestrous cycle only during favourable seasons in their reproductive phase.

Chapter 24: Sexual Reproduction in Flowering Plants

1. What is the meaning of siphonogamy in angiosperm?

In seed plants, fertilisation is known as siphonogamy. A pollen tube brings the male gametes to the egg containing the female gametophyte.

2. What is a haploid plant?

A plant raised from a single germination pollen grain under cultural conditions is called a haploid plant.

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Chapter 25: Human Reproduction

1. The ampulla is the part of which reproductive system?

Female reproductive system.

2. Name the sections in which the man’s epididymis from the anterior to posterior is divided?

Epididymis has three parts: anterior caput, middle corpus, and posterior cauda epididymis.

Chapter 26: Reproductive Health

1. What is the most dangerous sexually transmitted disease?

HIV/AIDS is the most dangerous sexually transmitted disease. HIV causes AIDS. It weakens the immune system and can’t be cured.

2. In the artificial insemination technique, where does semen collected?

Artificial insemination is a fertility treatment method in which semen either from a husband or a healthy donor is artificially introduced directly into a woman’s womb.

Chapter 27: Principle of Inheritance and Variation

1. Why can’t males be the carriers of colour blindness?

Colour blindness is a sex-linked recessive trait. And males only have X-chromosomes which makes them unable to be its carriers.

2. What will be the cross result between a homozygous female and a haemophiliac male?

The cross result between a homozygous female and a haemophiliac male would produce a normal male or a female carrier child.

Chapter 28: Molecular Basis of Inheritance

1. How many base pairs of nucleotides are present in the human genome?

The human genome has 3.1647 billion (3 x 10⁹ bp) nucleotide base pairs and about 20,500 genes. The average gene size is 3000 base pairs.

2. Which enzyme is known as the ‘chemical knife of DNA?’

Endonuclease enzymes are known as the ‘chemical knife of DNA.’ They cleave DNA at or near the specific recognition sequences (known as restriction sites).

Chapter 29: Evolution

1. Why do most biologists think RNA was the first genetic material?

It is because the existence of ribozymes suggests that early cells could have used RNA to catalyse chemical reactions and transfer information.

2. According to the chemical evolution theory, what is the sequence of origin of life?

Inorganic molecules→Organic molecules→Colloidal aggregates→Coacervates→Cell

Chapter 30: Human Health and Disease

1. What is the WHO Oral Rehydration Solution (ORS) composition?

The ORS is the most effective way to cure acute diarrhoeal diseases. It is composed of Sodium Chloride, Anhydrous Glucose, Potassium Chloride, and Trisodium Citrate.

2. What is the definition of ‘health’ according to WHO?

Health is defined as complete physical, mental, and social well-being and not merely the absence of disease or infirmity.

Chapter 31: Strategies for Enhancement in Food Production

1. Which infectious and contagious bacterial diseases affect cattle, horses, sheep, goats, and buffaloes?

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Anthrax is an acute infectious disease of farm animals caused by the bacterium ‘Bacillus Anthracis.’ This disease can also be transmitted to humans by contact with animal hairs, hides, and excrements.

2. What is the name given to the somatic hybridisation between potato and tomato?

The somatic hybrid between potato and tomato belonging to two different genera is called Pomato.

Chapter 32: Microbes in Human Welfare

1. Which antibiotic was extensively used to treat American soldiers wounded in World War II?

In 1940, E. Chain and H. Florey obtained a relatively stable penicillin preparation. This antibiotic was extensively used to treat the wounds of American soldiers in World War II.

2. What is the Batch Process?

In this process, the nutrients and microorganisms are put into the closed reactor and allowed to proceed until maximum yields have been observed.

Chapter 33: Biotechnology: Principles and Processes

1. Why are DNA ligases called genetic gum?

DNA ligases join two individual fragments of double-stranded DNA by forming phosphodiester bonds between them. They help in sealing the DNA fragments. Therefore, they act as genetic gum or molecular glue.

2. What is Recon?

Recon is the smallest unit of DNA that is capable of recombination.

Chapter 34: Biotechnology and its Applications

1. What is Pathophysiology?

The term ‘Pathophysiology’ means the functional changes associated with or resulting from a disease or injury or a disease or syndrome.

2. Does organic farming involve genetic engineering?

In organic farming, farmers use manure, biopesticides, biofertilizers, and biocontrol agents to increase crop production instead of artificial fertilisers and pesticides. It doesn’t include genetic engineering.

Chapter 35: Organisms and Populations

1. What is the reason for the increase in global temperature?

The concentration of CO₂ is increasing day by day due to human activities. CO₂ can absorb heat radiation. Therefore, it increases global warming (or global temperature).

2. How does PAN form?

PAN (Peroxyacetyl Nitrate) is formed due to the occurrence of the photochemical reactions between nitrogen oxides and hydrocarbons.

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Chapter 36: Ecosystem

1. What is net primary productivity (NPP)?

The total energy stored in the plant tissues after utilising some energy for their metabolic activities through respiration is called net primary productivity (NPP).

2. If all the world’s plants die, all the animals will also die. Give a reason.

It happens because all the consumers (animals) depend on producers (plants) for their food.

Chapter 37: Biodiversity and Conservation

1. What do you mean by eroded soil?

The topsoil is fertile as it contains organic matter and nutrients. When soil erosion occurs, the topsoil is removed. As a result, due to the absence of plant nutrients, the productivity of the soil is reduced. Such soil is called eroded soil.

2. What is the threat to wildlife?

Habitat destruction is most dangerous to the wildlife because the habitat provides a suitable atmosphere necessary for survival.

Chapter 38: Environmental Issues

1. When did the wildlife protection act pass?

The wildlife protection act was passed in 1972.

2. What is the main cause of the Bhopal Gas Tragedy?

It was one of the world’s worst environmental and industrial disasters. It happened not due to the side effects of radioactive products but because of the leakage of phosgene and methyl isocyanate gas.

FAQs

Which chapter in biology is most important for NEET? ›

Aspirants should focus on the following sub-topics from these chapters:
  • The most important topic for NEET Biology is Ecology and Environment. ...
  • Plan Physiology and Human Physiology are equally important topics for NEET Biology 2022. ...
  • Genetics and Evolution is yet another important chapter for NEET.

Is 100 questions per chapter enough for NEET? ›

For a newbie, in the first round, just read everything and practice around 150 questions per chapter for Physics and Physical Chemistry, 100 or more questions for Inorganic and Organic. When you give tests, you'll get to know about your weaker areas.

Which chapter has highest weightage in NEET biology? ›

You have already figured out that the chapters in Biology Class XI and XII will carry the highest weightage in the entire question paper.

How can I get 650 in NEET? ›

For 650 marks in the NEET exam, you need to attempt 163 correct answers with next to no slip-ups. Before appearing on any exam, planning is required.

How do I get 450 plus in NEET? ›

HOW TO GET 450+ MARKS WITHIN 40 DAYS IN NEET EXAM - YouTube

How many marks are required in NEET for MBBS? ›

NEET Marks Requirement Key Highlights:
How many marks are required in NEET for MBBS?50% for General Category
How many marks are required in NEET for MBBS for OBC?45%
Where to Get NEET Cut Off 2022 Information?NEET UG Cut Off 202 will declare on NTA or National Testing Agency Portal
2 more rows

Is Ncert enough for NEET Biology? ›

No doubt, NCERT must be the go-to source when it comes to NEET as 80-85% of the question paper comprises questions from NCERT sources.
...
Is NCERT sufficient for NEET Biology 2022?
NEET Related Links
Biology For NEETHow To Crack NEET In 2 Months
Tips For NEET ExamTop Medical Colleges In India
3 more rows

How many questions are repeated in NEET? ›

Question: How many questions are repeated in NEET from previous year question papers? Answer: The exact number is not available. However, on average, 10-15 questions are repeated in some modified version.

Is 50 questions per chapter enough for NEET? ›

Dear candidate, There's nothing like if you solve 100 questions from each chapter you will get 600+. A chapter may be easy and you might need to just solve 50 questions while the other might be hard and just 50 questions won't do. So, I would suggest you to go topic wise.

How do you get 720 a day in NEET? ›

Just say 'jai shree ram' or 'allah hu akbar' before bubbling and there you go! If you are lucky enough you would get 720 and if not, you got your lesson. You don't need whole one day to score 720 in NEET . You just need 3 hours bro attempt all 180 question correctly and bang you ll get 720/720.

Can NEET questions repeat? ›

The answer is yes, but with a twist! Questions repeated in NEET may not be the exact same as previous questions though they can be similar with different values or data, the concept behind solving it being the same.

Which chapters are not important for NEET? ›

Least important chapters in Chemistry
  • Haloarenes and Phenols.
  • Purification and Characterization of Organic Compounds.
  • Redox Reactions and Volumetric Analysis.
  • Nuclear and Surface Chemistry.
  • Qualitative Inorganic Analysis.

Can I skip Physics for NEET? ›

Discuss with your teachers the problems you are facing. And if you are asking to skip Physics section in exam, even that would be no less than a blunder. Qualifying cutoff is 50th percentile which means you need to be in top 50% of total candidates to qualify the exam. And skipping Physics won't help you.

Is Ncert Physics enough for NEET? ›

Yes, NCERT is enough for neet and it must be the main source for NEET Aspirants when it comes to NEET Preparation.

Can I get aiims with 650 marks? ›

cut off rank for AIIMS, jodhpur was AIR 649 and 685 marks for Gen category. So now if we compare then you lag behind by almost 25-30 marks and there are very less chances that rank will improve this much. So you don't have chances in both this college at 650 marks.

Can I crack NEET in 7 months from zero level? ›

Yes, it is enough time to crack NEET exam.

Can I clear NEET in 1 year from zero level? ›

Definitely yes! 1 year is a pretty good time period to cover both the 12th and the 11th syllabus. Do remember that many people take a drop year to prepare for neet and are successful. So yes it can be done.

Is 2 lakh NEET rank good? ›

According to our data, some of the top medical colleges in India have a closing rank of 2,85,000 and below. If your rank is around 2,80,000, then you have the chance to get into one of the top medical colleges.

Can I get MBBS seat with 300 marks? ›

Yes, you can get private medical college with 300 marks.

Can I get MBBS with 400 marks in NEET? ›

With a score of 400 in the NEET Exam, you can get an MBBS seat, However, you need 400+ marks to get admission into a government medical college. As per the updated NEET exam pattern 2021, the total number of questions is going to be 200 out of which candidates need to answer 180 questions.

Which college can I get with 650 marks in NEET? ›

What Is A Good Score For NEET?
  • 650+ can get you a seat at MAMC.
  • 635+ can get you a seat in any Delhi medical college.
  • 610+ can get you a seat in Seth GS, BHU, IMS, GMC Chandigarh and such top colleges.
  • 590+ can get you a seat in top colleges of the state through the state quota.

Can I get MBBS with 500 marks in NEET? ›

To those wondering, “Which medical college can I get with 500-600 marks in NEET 2022?” Or “Can I get an MBBS seat with 500 marks in NEET 2022?” The answer is yes. With marks between 500 - 600, aspirants can secure admission into renowned institutes and build a bright future for themselves.

Can I get MBBS with 200 marks in NEET? ›

Can I get admission in a college to pursue MBBS with 200 marks in NEET? Hi, There is no chance. At least, you must have above 450 marks.

What is the fastest way to learn biology for NEET? ›

First and foremost, know your biology syllabus for NEET exam. It is advised to start with the NCERT textbook for biology as NCERT books are deemed best. Additionally, it is the standard book. It is advised to split the syllabus for biology into 3 parts, for easy preparation.

How do you get 360 in NEET biology? ›

NEET has 180 questions in total with the maximum marks that can be scored is 720, where Physics and Chemistry have 45 questions each while Biology carries 360 marks, with 90 questions in total. Hence, for you to score 360 in biology, you must get all 90 questions from Botany and Zoology subsections bang on.

Is MTG fingertips enough for NEET? ›

mtg fingertips chemistry is best for neet aspirant... topic wise clearly written and bullet point for quick revision... This book has a lots of MCQs from every chapter thoroughly based on NCERT that gives a good idea on the various questions possible.

Which year NEET was easiest? ›

According to the NEET paper analysis, NEET 2018 paper was considered as easy-to-moderate with about 150 questions based on NCERT, and about 30 questions were found tricky and based on multiple topics. Biology was found to be the easiest of all, Chemistry was easy to moderate, while students found Physics the toughest.

Is previous question papers enough for NEET? ›

Yes, ofcurse it is useful to solve previous year question (pyq). Firstly if u really want to crack any “competitive exam” then for that, it is must to do at least15 years of pyq about an 6–7 times. Pyq helps u to know the important topics, exam need, weightage and yes it will give u a confidence too.

How much time is sufficient for NEET preparation? ›

How Many Hours To Study Everyday For NEET? Post board exams, one needs to allocate at least 12-15 hours a day for NEET exam preparation. Following are some points around which you can prepare your NEET study planner. Once done with the break, you are going to study for the last 2 hours of the day.

Can I get aiims with 600 marks? ›

as the sources told that the previous years NEET questions paper was not so high level but the AIIMs are megs his entrance so this year paper going to be heard.
...
AIIMS MBBS Cut off 2021:
InstitutionsAIIMS, Mangalgiri
General600
OBC570
SC550
ST500
8 more columns

How do you score 400 in NEET in 10 days? ›

How to prepare for NEET 2022 in 10 days?
  1. Prep Tip# 1: Take stock of what is remaining. ...
  2. Prep Tip# 2: Get accustomed to the new pattern. ...
  3. Prep Tip# 3: Take fewer mock tests. ...
  4. Prep Tip# 4: Zero down your exam-taking strategy. ...
  5. Prep Tip# 5: Prepare a timetable. ...
  6. Prep Tip# 6: Focus on charts/diagrams/revision notes.

Can I get government medical college with 600 marks in NEET? ›

To get admission to a government medical college, students would need about 600 marks in the exam. Marking in NEET is relative, to pass the medical entrance, students need to score 50 percentile score. Last year, the 50 percentile score for the unreserved category was over 138 marks.

Can I get AIIMS with 700 marks? ›

how much mark a general male student needs to secure in NEET out of 700 to get AIIMS. Anshuman,first of all NEET is of 720 marks in total. And for a general category student,you'll have to score over 680+ for AIIMS Delhi & 650+ for AIIMS of other cities in the country.

Can a dropper get air 1 in NEET? ›

Answer. Yes a dropper can crack jee advanced with AIR 1.

How many hours NEET toppers study? ›

Study for at least 13-15 hours a day.

What are the important chapters in Physics for NEET 2022? ›

Some of the important chapters of NEET 2022 Physics are mentioned below and candidates are advised not to miss any of these chapters.
  • Motion of System Of Particles and Rigid Body.
  • Properties of bulk matter.
  • Oscillations and Waves.
  • Electrostatics.
  • Current Electricity.
  • Electromagnetic Induction and Alternating Currents.
  • Optics.
Dec 27, 2021

Will NEET 2022 be tough? ›

The medical entrance exam - NEET 2022 - held on July 17 was tougher as compared to last year, as per the reactions coming from students and experts. Overall, all sections had questions which required a deeper understanding of the subjects.

How do I prepare for NEET 2022? ›

5 last-minute effective tips for the NEET 2022 you must know
  1. BE FAMILIAR WITH THE UPDATED SYLLABUS. The tip will not only keep you up to date with the syllabus but can save you from extra hard work. ...
  2. GO WITH BIOLOGY FIRST. ...
  3. FOCUS ON WEAK SPOTS. ...
  4. GO WITH THE HOURLY TIMETABLE. ...
  5. CUT OUT THE DISTRACTIONS.
May 14, 2022

Is NEET 2022 syllabus reduced? ›

The syllabus for the NEET 2022 test has not changed.

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