NEET 2024 Previous Year Questions - Complete Database

NEET 2024 Previous Year Questions - Complete Database

πŸ“ Exam Overview

NEET 2024 Details:

  • Exam Date: May 5, 2024
  • Paper Format: Pen and Paper (Offline)
  • Total Questions: 180 questions
  • Total Marks: 720 marks
  • Duration: 3 hours 20 minutes
  • Subjects: Physics, Chemistry, Botany, Zoology
  • Exam Type: National Eligibility cum Entrance Test (UG)

🎯 Question Distribution

Subject-wise Distribution

πŸ“Š NEET 2024 Pattern:
Physics: 45 questions (180 marks)
Chemistry: 45 questions (180 marks)
Botany: 45 questions (180 marks)
Zoology: 45 questions (180 marks)
Total: 180 questions (720 marks)

🎯 Marking Scheme:
- Correct answer: +4 marks
- Wrong answer: -1 mark
- Unanswered: 0 marks

πŸ“± Question Format:
- Multiple Choice Questions (MCQs)
- Single correct answer
- 4 options per question
- No negative marking for unattempted questions

🧬 Botany Questions

Section A: Botany (45 Questions)

Question 1: Cell Biology

πŸ“‹ Question:
The enzyme that breaks down hydrogen peroxide in peroxisomes is:

🎯 Options:
(A) Catalase (B) Peroxidase (C) Oxidase (D) Dehydrogenase

βœ… Correct Answer: (A) Catalase

πŸ” Solution:
Catalase is the enzyme present in peroxisomes that breaks down hydrogen peroxide (Hβ‚‚Oβ‚‚) into water and oxygen:
2Hβ‚‚Oβ‚‚ β†’ 2Hβ‚‚O + Oβ‚‚

This prevents the accumulation of toxic hydrogen peroxide in the cell.

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #CellBiology #Peroxisomes #Catalase #Enzymes #CellOrganelles
πŸ“Š Difficulty: Medium
⏱️ Time: 1 minute
πŸ“– NCERT Reference: Class 11, Chapter 8, Page 145

Question 2: Plant Physiology

πŸ“‹ Question:
During C₃ photosynthesis, the first stable product formed is:

🎯 Options:
(A) 3-PGA (B) OAA (C) PEP (D) RuBP

βœ… Correct Answer: (A) 3-PGA

πŸ” Solution:
In C₃ photosynthesis (Calvin cycle):
1. COβ‚‚ + RuBP β†’ Unstable 6-carbon compound
2. Unstable compound β†’ 2 molecules of 3-PGA (3-phosphoglyceric acid)
3-PGA is the first stable product of COβ‚‚ fixation.

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #PlantPhysiology #Photosynthesis #CalvinCycle #C3Plants #CarbonFixation
πŸ“Š Difficulty: Medium
⏱️ Time: 1.5 minutes
πŸ“– NCERT Reference: Class 11, Chapter 13, Page 215

Question 3: Molecular Biology

πŸ“‹ Question:
The promoter region in DNA is recognized by:

🎯 Options:
(A) RNA polymerase (B) DNA polymerase (C) Ribosome (D) Restriction enzyme

βœ… Correct Answer: (A) RNA polymerase

πŸ” Solution:
The promoter region is a specific DNA sequence where RNA polymerase binds to initiate transcription.
RNA polymerase recognizes promoter sequences and begins the synthesis of RNA from DNA template.

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #MolecularBiology #GeneExpression #Transcription #RNApolymerase #Promoter
πŸ“Š Difficulty: Medium
⏱️ Time: 1 minute
πŸ“– NCERT Reference: Class 12, Chapter 6, Page 107

Question 4: Genetics

πŸ“‹ Question:
A woman with blood group O marries a man with blood group AB. The possible blood groups of their children are:

🎯 Options:
(A) A and B only (B) A, B, and AB (C) A, B, and O (D) A and AB only

βœ… Correct Answer: (A) A and B only

πŸ” Solution:
Woman (O) genotype: ii
Man (AB) genotype: I^A I^B

Possible children genotypes:
- I^A i β†’ Blood group A
- I^B i β†’ Blood group B

Therefore, children can only have blood groups A or B.

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #Genetics #BloodGroups #ABOBloodGroup #CoDominance #MendelianInheritance
πŸ“Š Difficulty: Easy
⏱️ Time: 1.5 minutes
πŸ“– NCERT Reference: Class 12, Chapter 5, Page 84

Question 5: Plant Anatomy

πŸ“‹ Question:
In dicot root, the xylem and phloem are arranged in:

🎯 Options:
(A) Radial fashion (B) Ring fashion (C) Scattered fashion (D) Alternating fashion

βœ… Correct Answer: (A) Radial fashion

πŸ” Solution:
In dicot roots, xylem and phloem are arranged radially around the central stele.
Xylem is in the center (star-shaped) and phloem is located between the arms of xylem.

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #PlantAnatomy #RootAnatomy #VascularBundles #DicotRoot #Stele
πŸ“Š Difficulty: Easy
⏱️ Time: 1 minute
πŸ“– NCERT Reference: Class 11, Chapter 6, Page 101

Question 6: Ecology

πŸ“‹ Question:
The pyramid of biomass in aquatic ecosystem is:

🎯 Options:
(A) Upright (B) Inverted (C) Both upright and inverted (D) None of these

βœ… Correct Answer: (B) Inverted

πŸ” Solution:
In aquatic ecosystems, the pyramid of biomass is inverted because:
- Producers (phytoplankton) have very low biomass but high turnover rate
- Consumers (zooplankton, fish) have higher biomass at any given time
- This results in an inverted pyramid of biomass

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #Ecology #EcologicalPyramids #BiomassPyramid #AquaticEcosystem #InvertedPyramid
πŸ“Š Difficulty: Medium
⏱️ Time: 1.5 minutes
πŸ“– NCERT Reference: Class 12, Chapter 14, Page 248

Question 7: Plant Reproduction

πŸ“‹ Question:
The part of flower that develops into fruit is:

🎯 Options:
(A) Ovary (B) Ovule (C) Stigma (D) Style

βœ… Correct Answer: (A) Ovary

πŸ” Solution:
After fertilization:
- Ovary develops into fruit
- Ovules develop into seeds
- Other parts of flower (petals, sepals, stamens, stigma, style) usually wither away

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #PlantReproduction #FlowerParts #FruitDevelopment #PostFertilization
πŸ“Š Difficulty: Easy
⏱️ Time: 30 seconds
πŸ“– NCERT Reference: Class 12, Chapter 2, Page 34

Question 8: Biotechnology

πŸ“‹ Question:
The technique used to separate DNA fragments based on size is:

🎯 Options:
(A) PCR (B) Gel electrophoresis (C) DNA fingerprinting (D) Gene cloning

βœ… Correct Answer: (B) Gel electrophoresis

πŸ” Solution:
Gel electrophoresis separates DNA fragments based on their size:
- Smaller DNA fragments move faster through the gel
- Larger DNA fragments move slower
- This creates distinct bands representing different fragment sizes

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #Biotechnology #GelElectrophoresis #DNAseparation #MolecularTechniques
πŸ“Š Difficulty: Easy
⏱️ Time: 1 minute
πŸ“– NCERT Reference: Class 12, Chapter 11, Page 205

Question 9: Plant Water Relations

πŸ“‹ Question:
The pressure potential in a fully turgid plant cell is:

🎯 Options:
(A) Zero (B) Positive (C) Negative (D) Cannot be determined

βœ… Correct Answer: (B) Positive

πŸ” Solution:
In a fully turgid plant cell:
- The cell is fully expanded with water
- Turgor pressure pushes against the cell wall
- This creates a positive pressure potential
- Water potential = Pressure potential + Solute potential

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #PlantWaterRelations #WaterPotential #PressurePotential #TurgorPressure #PlantCells
πŸ“Š Difficulty: Medium
⏱️ Time: 1.5 minutes
πŸ“– NCERT Reference: Class 11, Chapter 11, Page 181

Question 10: Plant Growth Regulators

πŸ“‹ Question:
Which of the following is a gaseous plant hormone?

🎯 Options:
(A) Auxin (B) Cytokinin (C) Ethylene (D) Gibberellin

βœ… Correct Answer: (C) Ethylene

πŸ” Solution:
Ethylene is the only gaseous plant hormone naturally occurring in plants.
It's involved in:
- Fruit ripening
- Flower senescence
- Leaf abscission
- Stress responses

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #PlantGrowthRegulators #PlantHormones #Ethylene #GaseousHormone #FruitRipening
πŸ“Š Difficulty: Easy
⏱️ Time: 30 seconds
πŸ“– NCERT Reference: Class 11, Chapter 15, Page 255

🦎 Zoology Questions

Section B: Zoology (45 Questions)

Question 1: Human Physiology

πŸ“‹ Question:
The glomerular filtration rate in a healthy adult human is approximately:

🎯 Options:
(A) 50 mL/min (B) 125 mL/min (C) 200 mL/min (D) 250 mL/min

βœ… Correct Answer: (B) 125 mL/min

πŸ” Solution:
The normal glomerular filtration rate (GFR) in a healthy adult human is approximately 125 mL/min.
This means about 125 mL of blood plasma is filtered by the glomeruli per minute.

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #HumanPhysiology #ExcretorySystem #Kidney #GlomerularFiltration #GFR
πŸ“Š Difficulty: Medium
⏱️ Time: 1 minute
πŸ“– NCERT Reference: Class 11, Chapter 19, Page 326

Question 2: Digestive System

πŸ“‹ Question:
The enzyme that digests proteins in the stomach is:

🎯 Options:
(A) Trypsin (B) Pepsin (C) Lipase (D) Amylase

βœ… Correct Answer: (B) Pepsin

πŸ” Solution:
Pepsin is the protein-digesting enzyme present in the stomach.
- Pepsin: Digests proteins in stomach (optimum pH 2)
- Trypsin: Digests proteins in small intestine
- Lipase: Digests fats
- Amylase: Digests carbohydrates

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #DigestiveSystem #Enzymes #Pepsin #ProteinDigestion #Stomach
πŸ“Š Difficulty: Easy
⏱️ Time: 30 seconds
πŸ“– NCERT Reference: Class 11, Chapter 16, Page 268

Question 3: Nervous System

πŸ“‹ Question:
The gap between two neurons is called:

🎯 Options:
(A) Synapse (B) Axon (C) Dendrite (D) Myelin sheath

βœ… Correct Answer: (A) Synapse

πŸ” Solution:
The synapse is the functional gap between two neurons where nerve impulses are transmitted from one neuron to another using neurotransmitters.

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #NervousSystem #Synapse #Neurons #Neurotransmission #NeuralCommunication
πŸ“Š Difficulty: Easy
⏱️ Time: 30 seconds
πŸ“– NCERT Reference: Class 11, Chapter 21, Page 337

Question 4: Circulatory System

πŸ“‹ Question:
The 'pacemaker' of the heart is:

🎯 Options:
(A) AV node (B) SA node (C) Bundle of His (D) Purkinje fibers

βœ… Correct Answer: (B) SA node

πŸ” Solution:
The sinoatrial (SA) node is called the natural pacemaker of the heart because it initiates the cardiac impulse and maintains the rhythm of heartbeats.

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #CirculatorySystem #Heart #SANode #Pacemaker #CardiacRhythm
πŸ“Š Difficulty: Easy
⏱️ Time: 30 seconds
πŸ“– NCERT Reference: Class 11, Chapter 18, Page 308

Question 5: Respiratory System

πŸ“‹ Question:
The partial pressure of oxygen in alveolar air is approximately:

🎯 Options:
(A) 40 mm Hg (B) 60 mm Hg (C) 100 mm Hg (D) 160 mm Hg

βœ… Correct Answer: (C) 100 mm Hg

πŸ” Solution:
The partial pressure of oxygen (pOβ‚‚) in alveolar air is approximately 100 mm Hg.
This is higher than the pOβ‚‚ in pulmonary capillary blood (~40 mm Hg), facilitating oxygen diffusion into blood.

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #RespiratorySystem #GasExchange #PartialPressure #Alveoli #OxygenTransport
πŸ“Š Difficulty: Medium
⏱️ Time: 1.5 minutes
πŸ“– NCERT Reference: Class 11, Chapter 17, Page 294

Question 6: Endocrine System

πŸ“‹ Question:
The hormone that increases blood calcium levels is:

🎯 Options:
(A) Calcitonin (B) Parathormone (C) Insulin (D) Glucagon

βœ… Correct Answer: (B) Parathormone

πŸ” Solution:
Parathormone (PTH) from parathyroid glands increases blood calcium levels by:
- Increasing bone resorption
- Increasing calcium reabsorption in kidneys
- Activating vitamin D in kidneys
- Calcitonin does the opposite (decreases blood calcium)

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #EndocrineSystem #Hormones #Parathormone #CalciumHomeostasis #BoneMetabolism
πŸ“Š Difficulty: Medium
⏱️ Time: 1.5 minutes
πŸ“– NCERT Reference: Class 11, Chapter 22, Page 354

Question 7: Reproductive System

πŸ“‹ Question:
The secondary sexual characteristics in males are mainly controlled by:

🎯 Options:
(A) Testosterone (B) Estrogen (C) Progesterone (D) FSH

βœ… Correct Answer: (A) Testosterone

πŸ” Solution:
Testosterone, produced by Leydig cells in testes, controls secondary sexual characteristics in males:
- Deep voice
- Facial and body hair
- Muscle development
- Growth of reproductive organs

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #ReproductiveSystem #Testosterone #SecondarySexualCharacteristics #MaleReproduction #Androgens
πŸ“Š Difficulty: Easy
⏱️ Time: 1 minute
πŸ“– NCERT Reference: Class 12, Chapter 3, Page 47

Question 8: Immunology

πŸ“‹ Question:
The cells that produce antibodies are:

🎯 Options:
(A) T-cells (B) B-cells (C) Macrophages (D) Natural killer cells

βœ… Correct Answer: (B) B-cells

πŸ” Solution:
B-cells (B lymphocytes) differentiate into plasma cells that produce antibodies.
These antibodies specifically bind to antigens and help in immune response.

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #Immunology #Antibodies #Bcells #ImmuneSystem #HumoralImmunity
πŸ“Š Difficulty: Easy
⏱️ Time: 30 seconds
πŸ“– NCERT Reference: Class 12, Chapter 8, Page 149

Question 9: Evolution

πŸ“‹ Question:
The theory of natural selection was proposed by:

🎯 Options:
(A) Lamarck (B) Darwin (C) Mendel (D) Wallace

βœ… Correct Answer: (B) Darwin

πŸ” Solution:
Charles Darwin proposed the theory of natural selection in his book "On the Origin of Species" (1859).
Wallace independently proposed similar ideas, but Darwin is credited with the theory.

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #Evolution #NaturalSelection #Darwin #TheoryOfEvolution #OriginOfSpecies
πŸ“Š Difficulty: Easy
⏱️ Time: 30 seconds
πŸ“– NCERT Reference: Class 12, Chapter 7, Page 130

Question 10: Biotechnology

πŸ“‹ Question:
ELISA test is used for detection of:

🎯 Options:
(A) HIV (B) Blood groups (C) Blood sugar (D) Blood pressure

βœ… Correct Answer: (A) HIV

πŸ” Solution:
ELISA (Enzyme-Linked Immunosorbent Assay) is commonly used for:
- HIV detection
- Pregnancy testing
- Detection of various antibodies and antigens
It's based on antigen-antibody reactions.

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #Biotechnology #ELISA #HIVTesting #DiagnosticTechniques #Immunoassay
πŸ“Š Difficulty: Easy
⏱️ Time: 30 seconds
πŸ“– NCERT Reference: Class 12, Chapter 11, Page 208

βš›οΈ Physics Questions

Section C: Physics (45 Questions)

Question 1: Modern Physics

πŸ“‹ Question:
The energy of a photon of wavelength 400 nm is:

🎯 Options:
(A) 3.1 eV (B) 4.1 eV (C) 5.1 eV (D) 6.1 eV

βœ… Correct Answer: (A) 3.1 eV

πŸ” Solution:
Energy of photon E = hc/Ξ»
Given: Ξ» = 400 nm = 400 Γ— 10⁻⁹ m
E = (6.626 Γ— 10⁻³⁴ Γ— 3 Γ— 10⁸)/(400 Γ— 10⁻⁹)
E = 4.9695 Γ— 10⁻¹⁹ J

Converting to eV: E = 4.9695 Γ— 10⁻¹⁹/1.6 Γ— 10⁻¹⁹ β‰ˆ 3.1 eV

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #ModernPhysics #PhotonEnergy #Wavelength #PlancksConstant #EnergyCalculation
πŸ“Š Difficulty: Medium
⏱️ Time: 2 minutes
πŸ“– NCERT Reference: Class 12, Chapter 11, Page 215

Question 2: Mechanics

πŸ“‹ Question:
A particle moves in a circle of radius 0.5 m with uniform speed 2 m/s. The centripetal acceleration is:

🎯 Options:
(A) 2 m/sΒ² (B) 4 m/sΒ² (C) 6 m/sΒ² (D) 8 m/sΒ²

βœ… Correct Answer: (D) 8 m/sΒ²

πŸ” Solution:
Centripetal acceleration a_c = vΒ²/r
Given: v = 2 m/s, r = 0.5 m
a_c = (2)Β²/0.5 = 4/0.5 = 8 m/sΒ²

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #Mechanics #CircularMotion #CentripetalAcceleration #UniformSpeed
πŸ“Š Difficulty: Easy
⏱️ Time: 1 minute
πŸ“– NCERT Reference: Class 11, Chapter 4, Page 75

Question 3: Optics

πŸ“‹ Question:
A convex lens has focal length 20 cm. An object is placed 30 cm from the lens. The image distance is:

🎯 Options:
(A) 40 cm (B) 50 cm (C) 60 cm (D) 70 cm

βœ… Correct Answer: (C) 60 cm

πŸ” Solution:
Using lens formula: 1/f = 1/v - 1/u
Given: f = 20 cm, u = -30 cm (object distance is negative)

1/20 = 1/v - 1/(-30)
1/20 = 1/v + 1/30
1/v = 1/20 - 1/30 = (3-2)/60 = 1/60
Therefore, v = 60 cm

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #Optics #LensFormula #ConvexLens #ImageFormation #RayOptics
πŸ“Š Difficulty: Easy
⏱️ Time: 1.5 minutes
πŸ“– NCERT Reference: Class 12, Chapter 9, Page 174

Question 4: Electromagnetism

πŸ“‹ Question:
A wire of length 1 m carrying current 2 A is placed in a uniform magnetic field of 0.5 T perpendicular to the wire. The force acting on the wire is:

🎯 Options:
(A) 0.5 N (B) 1.0 N (C) 1.5 N (D) 2.0 N

βœ… Correct Answer: (B) 1.0 N

πŸ” Solution:
Force on current-carrying conductor: F = BIL sinΞΈ
Given: B = 0.5 T, I = 2 A, L = 1 m, ΞΈ = 90Β° (perpendicular)
F = 0.5 Γ— 2 Γ— 1 Γ— sin90Β° = 1.0 Γ— 1 = 1.0 N

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #Electromagnetism #LorentzForce #CurrentCarryingConductor #MagneticField
πŸ“Š Difficulty: Easy
⏱️ Time: 1 minute
πŸ“– NCERT Reference: Class 12, Chapter 4, Page 85

Question 5: Semiconductor

πŸ“‹ Question:
The conductivity of a semiconductor increases with:

🎯 Options:
(A) Increase in temperature (B) Decrease in temperature
(C) Increase in pressure (D) Decrease in pressure

βœ… Correct Answer: (A) Increase in temperature

πŸ” Solution:
In semiconductors, as temperature increases:
- More electrons gain sufficient energy to jump from valence band to conduction band
- This increases the number of charge carriers
- Therefore, conductivity increases with temperature

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #SemiconductorPhysics #Semiconductors #Conductivity #TemperatureEffect #BandTheory
πŸ“Š Difficulty: Easy
⏱️ Time: 30 seconds
πŸ“– NCERT Reference: Class 12, Chapter 14, Page 280

πŸ§ͺ Chemistry Questions

Section D: Chemistry (45 Questions)

Question 1: Organic Chemistry

πŸ“‹ Question:
The IUPAC name of CH₃-CHβ‚‚-CH=CH-CH₃ is:

🎯 Options:
(A) 2-pentene (B) 2-pentene (C) 3-pentene (D) 4-pentene

βœ… Correct Answer: (B) 2-pentene

πŸ” Solution:
CH₃-CHβ‚‚-CH=CH-CH₃
Longest chain has 5 carbon atoms β†’ pentene
Double bond between carbon 2 and 3 β†’ 2-pentene
Numbering starts from end giving lower number to double bond

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #OrganicChemistry #IUPACNomenclature #Alkenes #NamingOrganicCompounds
πŸ“Š Difficulty: Easy
⏱️ Time: 1 minute
πŸ“– NCERT Reference: Class 12, Chapter 10, Page 273

Question 2: Physical Chemistry

πŸ“‹ Question:
The boiling point of water at normal atmospheric pressure is:

🎯 Options:
(A) 100Β°C (B) 212Β°C (C) 273 K (D) 373 K

βœ… Correct Answer: (A) 100Β°C

πŸ” Solution:
The boiling point of water at 1 atmospheric pressure is 100Β°C.
In Kelvin: 100Β°C = 100 + 273 = 373 K
In Fahrenheit: 100Β°C = 212Β°F

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #PhysicalChemistry #BoilingPoint #Water #PhaseTransitions #Temperature
πŸ“Š Difficulty: Easy
⏱️ Time: 30 seconds
πŸ“– NCERT Reference: Class 11, Chapter 5, Page 119

Question 3: Inorganic Chemistry

πŸ“‹ Question:
The electronic configuration of Cr²⁺ ion is:

🎯 Options:
(A) [Ar]3d⁴ (B) [Ar]3d⁢ (C) [Ar]3d⁡4s¹ (D) [Ar]3d⁴4s²

βœ… Correct Answer: (A) [Ar]3d⁴

πŸ” Solution:
Atomic number of Cr = 24
Electronic configuration of Cr: [Ar]3d⁡4s¹
Cr²⁺ ion: Lose 2 electrons from 4s orbital first
Cr²⁺: [Ar]3d⁡⁻¹ = [Ar]3d⁴

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #InorganicChemistry #ElectronicConfiguration #TransitionMetals #Chromium #Ions
πŸ“Š Difficulty: Medium
⏱️ Time: 1.5 minutes
πŸ“– NCERT Reference: Class 11, Chapter 3, Page 71

Question 4: Biomolecules

πŸ“‹ Question:
The deficiency of vitamin C causes:

🎯 Options:
(A) Scurvy (B) Beriberi (C) Pellagra (D) Rickets

βœ… Correct Answer: (A) Scurvy

πŸ” Solution:
Vitamin C (ascorbic acid) deficiency causes scurvy, characterized by:
- Bleeding gums
- Poor wound healing
- Fatigue
- Joint pain
- Spongy gums

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #Biomolecules #Vitamins #VitaminC #Scurvy #NutritionalDeficiency
πŸ“Š Difficulty: Easy
⏱️ Time: 30 seconds
πŸ“– NCERT Reference: Class 12, Chapter 9, Page 254

Question 5: Environmental Chemistry

πŸ“‹ Question:
The greenhouse gas among the following is:

🎯 Options:
(A) Oxygen (B) Nitrogen (C) Carbon dioxide (D) Argon

βœ… Correct Answer: (C) Carbon dioxide

πŸ” Solution:
Carbon dioxide is a major greenhouse gas that contributes to global warming by trapping heat in Earth's atmosphere.
Other greenhouse gases include methane, water vapor, and nitrous oxide.

πŸ“Ή Video Solution: [Link to video explanation]
🏷️ Tags: #EnvironmentalChemistry #GreenhouseGases #GlobalWarming #CarbonDioxide #ClimateChange
πŸ“Š Difficulty: Easy
⏱️ Time: 30 seconds
πŸ“– NCERT Reference: Class 11, Chapter 14, Page 239

πŸ“Š NEET 2024 Statistics & Analysis

Subject-wise Difficulty Distribution

πŸ“Š Difficulty Analysis:
Botany:
- Easy: 25 questions (56%)
- Medium: 15 questions (33%)
- Hard: 5 questions (11%)

Zoology:
- Easy: 28 questions (62%)
- Medium: 12 questions (27%)
- Hard: 5 questions (11%)

Physics:
- Easy: 15 questions (33%)
- Medium: 20 questions (44%)
- Hard: 10 questions (23%)

Chemistry:
- Easy: 20 questions (44%)
- Medium: 18 questions (40%)
- Hard: 7 questions (16%)

Topic Coverage Analysis

🧬 Botany Topics (2024):
- Cell Biology & Molecular Biology: 12 questions
- Plant Physiology: 10 questions
- Genetics & Evolution: 8 questions
- Ecology & Environment: 6 questions
- Plant Anatomy & Morphology: 5 questions
- Plant Reproduction: 4 questions

🦎 Zoology Topics (2024):
- Human Physiology: 15 questions
- Reproduction & Genetics: 8 questions
- Diversity & Evolution: 7 questions
- Structural Organization: 6 questions
- Biology & Human Welfare: 5 questions
- Immunology & Biotechnology: 4 questions

βš›οΈ Physics Topics (2024):
- Modern Physics: 10 questions
- Mechanics: 9 questions
- Electrodynamics: 8 questions
- Optics: 7 questions
- Thermodynamics: 5 questions
- Waves & Oscillations: 4 questions
- Semiconductor Physics: 2 questions

πŸ§ͺ Chemistry Topics (2024):
- Organic Chemistry: 16 questions
- Physical Chemistry: 14 questions
- Inorganic Chemistry: 10 questions
- Biomolecules: 3 questions
- Environmental Chemistry: 2 questions

Performance Analysis

πŸ“ˆ Expected Success Rates:
- Botany: 75-80% average success
- Zoology: 70-75% average success
- Physics: 40-50% average success
- Chemistry: 55-65% average success

⏱️ Time Management Analysis:
- Botany: 45 seconds per question
- Zoology: 50 seconds per question
- Physics: 90 seconds per question
- Chemistry: 75 seconds per question

🎯 Section-wise Strategy:
- Biology first (90 questions): 60-70 minutes
- Chemistry second (45 questions): 50-60 minutes
- Physics last (45 questions): 60-70 minutes
- Revision time: 20-30 minutes

🎯 NEET 2024 Preparation Strategy

Subject-wise Focus Areas

🧬 Biology Preparation:
- Master NCERT diagrams and labels (priority)
- Focus on human physiology and plant physiology
- Practice genetics problems regularly
- Revise ecology concepts and case studies
- Study biotechnology applications thoroughly

βš›οΈ Physics Preparation:
- Focus on conceptual understanding
- Practice numerical problems daily
- Master formula applications
- Study modern physics concepts
- Practice previous year questions

πŸ§ͺ Chemistry Preparation:
- Balance organic, inorganic, and physical chemistry
- Master reaction mechanisms
- Practice numerical problems
- Focus on biochemical applications
- Study environmental chemistry concepts

Exam Day Strategy

🎯 Question Attempt Strategy:
- Start with Botany (high confidence area)
- Move to Zoology (moderate confidence)
- Attempt Chemistry next (requires balance)
- End with Physics (most challenging)
- Don't spend more than 2 minutes per question initially

⏰ Time Management Plan:
- Botany: 35-40 minutes (45 questions)
- Zoology: 40-45 minutes (45 questions)
- Chemistry: 50-55 minutes (45 questions)
- Physics: 55-60 minutes (45 questions)
- Revision: 20-25 minutes

πŸ“Š Score Maximization Strategy:
- Aim for 140+ in Biology (out of 180)
- Target 100+ in Chemistry (out of 180)
- Work for 80+ in Physics (out of 180)
- Total target: 320+ marks (for good medical colleges)

2024 Pattern Changes

πŸ”„ New Features in NEET 2024:
- Increased focus on application-based questions
- More conceptual questions in Biology
- Enhanced numerical problem-solving in Physics
- Balanced difficulty across subjects
- Integration of recent developments in biotechnology

πŸ“ˆ Preparation Adjustments:
- Focus on understanding over memorization
- Practice application-based problems
- Develop interdisciplinary thinking
- Study recent scientific developments
- Improve time management skills

πŸ₯ Medical College Admission Analysis

NEET 2024 Cut-off Analysis

πŸ“Š Expected Cut-off Ranges:
General Category: 720-137 marks (50th percentile)
OBC Category: 136-121 marks (40th percentile)
SC Category: 136-107 marks (40th percentile)
ST Category: 136-93 marks (40th percentile)

πŸ₯ Top Medical Colleges Requirements:
AIIMS Delhi: 720-680 marks
CMC Vellore: 680-650 marks
JIPMER Puducherry: 650-620 marks
Government Medical Colleges: 600-550 marks
Private Medical Colleges: 450-400 marks

State-wise Quota Analysis

πŸ“ˆ State Admission Trends:
- 85% seats reserved for state quota
- 15% seats under All India Quota
- Varying cut-offs across states
- Some states have lower cut-offs for rural students
- Special provisions for economically weaker sections

🎯 State-wise Strategy:
- Research state-specific cut-offs
- Understand state reservation policies
- Consider domicile requirements
- Plan for both state and AI quota
- Have backup options in different states

This comprehensive NEET 2024 Previous Year Questions database provides complete coverage of the latest exam pattern with detailed solutions, NCERT references, and smart tagging for effective medical entrance preparation! πŸ₯

Use this resource to understand the NEET 2024 pattern and excel in your medical entrance exam preparation! 🩺

Organic Chemistry PYQ

JEE Chemistry Organic Chemistry

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