Biology NEET MCQ Practice Test – 200 Most Expected Questions (Free PDF)

Boost Your NEET Preparation with 200 Most Expected Biology MCQs – Free PDF Download
Get ahead in your NEET 2025 preparation with our specially curated Biology NEET MCQ Practice Test. This free PDF includes 200 high-yield, most expected questions designed to match the latest NEET exam pattern. Perfect for last-minute revision and daily practice, these NEET Biology MCQs cover all essential topics from Class 11 and 12 NCERT.
✅ Based on updated NEET syllabus
✅ Topic-wise NEET important questions
✅ Ideal for quick revision and self-assessment

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Biology NEET MCQ Practice Test – 200 Most Expected Questions (Free PDF)

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Download a free PDF of 200 most expected Biology NEET MCQs with answers. Boost your NEET 2025 preparation with this comprehensive NEET biology practice test!

✅ Overview: NEET Biology MCQ Practice Test 2025

Are you preparing for NEET 2025 and looking for high-quality Biology MCQs? You're in the right place! This free PDF contains 200 most expected NEET Biology questions based on the latest syllabus and exam pattern. These multiple-choice questions cover all major topics from Class 11 and 12 NCERT Biology, ensuring thorough NEET revision and concept clarity.

📌 What’s Included in the NEET Biology MCQ PDF?

200 carefully selected NEET-level biology questions
MCQs from both Class 11 and Class 12 chapters
Chapter-wise distribution of questions
Detailed answer key and explanations
Based on the latest NEET syllabus and NCERT pattern

🧬 Topics Covered in NEET Biology MCQ Practice Test

🔹 Class 11 Biology NEET Chapters

Diversity of Living Organisms
Structural Organisation in Animals and Plants
Cell Structure and Function
Plant Physiology
Human Physiology

🔹 Class 12 Biology NEET Chapters

Reproduction
Genetics and Evolution
Biology in Human Welfare
Biotechnology
Ecology and Environment

📖 Sample NEET Biology MCQs (With Answers)

Q1. Which of the following is the correct match for the organism and its excretory structure?
A. Earthworm – Nephridia
B. Cockroach – Malpighian tubules
C. Frog – Kidneys
D. All of the above
Answer: D. All of the above

Q2. In Mendel’s monohybrid cross, the F2 phenotypic ratio is:
A. 1:2:1
B. 9:3:3:1
C. 3:1
D. 1:1
Answer: C. 3:1

Q3. Which hormone is responsible for seed dormancy?
A. Auxin
B. Cytokinin
C. Abscisic Acid
D. Gibberellin
Answer: C. Abscisic Acid

More such high-yield MCQs are included in the full PDF.

📥 Download: Free NEET Biology MCQ PDF with 200 Questions

Click the button below to download the free NEET Biology MCQ Practice PDF with 200 most expected questions:

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🔍 Why This NEET Biology MCQ Practice Test is Important?

Helps identify strong and weak areas in Biology
Covers important NEET topics repeatedly asked in previous years
Great for daily revision and last-minute practice
Designed to simulate the actual NEET exam level
Created by NEET experts with NCERT-focused questions

📚 Additional NEET Biology Preparation Tips

Revise NCERT Biology books thoroughly
Practice previous year NEET questions
Focus on diagrams and definitions
Take mock tests regularly
Solve topic-wise NEET MCQ quizzes

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📞 Final Words

Preparing for NEET doesn’t have to be overwhelming. With our 200 most expected NEET Biology MCQs, you can sharpen your skills, revise smartly, and maximize your score. Whether you're focusing on Genetics, Ecology, Human Physiology, or Cell Biology, this PDF will be a valuable addition to your NEET Biology study material.

Download it now and start practicing!

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Great! Let's continue and build out the actual MCQs chapter-wise for your “Biology NEET MCQ Practice Test – 200 Most Expected Questions (Free PDF)”. We'll create a balanced set of high-yield NEET Biology questions from Class 11 and 12 NCERT chapters, including answers for each.

✅ NEET Biology MCQs – Chapter-Wise (Part 1 of 200)

📘 Class 11 – Diversity of Living Organisms

Q1. Which kingdom does Euglena belong to as per Whittaker’s classification?
A. Plantae
B. Protista
C. Monera
D. Fungi
Answer: B. Protista

Q2. Which of the following is a characteristic feature of Monera?
A. Eukaryotic cells
B. Multicellular body
C. Presence of nuclear membrane
D. Absence of membrane-bound organelles
Answer: D. Absence of membrane-bound organelles

Q3. Which group of plants is referred to as “amphibians of the plant kingdom”?
A. Bryophytes
B. Pteridophytes
C. Gymnosperms
D. Algae
Answer: A. Bryophytes

🧫 Class 11 – Cell Structure and Function

Q4. The site of protein synthesis is:
A. Nucleus
B. Ribosome
C. Lysosome
D. Golgi apparatus
Answer: B. Ribosome

Q5. Which organelle is called the “powerhouse of the cell”?
A. Chloroplast
B. Endoplasmic reticulum
C. Mitochondria
D. Golgi body
Answer: C. Mitochondria

Q6. Which of the following structures is absent in prokaryotic cells?
A. Cell wall
B. Plasma membrane
C. Nucleus
D. Ribosomes
Answer: C. Nucleus

🌱 Class 11 – Plant Physiology

Q7. The process by which water is lost in the form of vapor through stomata is called:
A. Respiration
B. Transpiration
C. Photosynthesis
D. Absorption
Answer: B. Transpiration

Q8. The movement of water through a semi-permeable membrane is called:
A. Diffusion
B. Active transport
C. Osmosis
D. Plasmolysis
Answer: C. Osmosis

🧍‍♂️ Class 11 – Human Physiology

Q9. Which part of the nephron is responsible for filtration of blood?
A. Loop of Henle
B. Collecting duct
C. Bowman's capsule
D. Distal convoluted tubule
Answer: C. Bowman's capsule

Q10. The pacemaker of the human heart is:
A. AV node
B. Purkinje fibers
C. SA node
D. Bundle of His
Answer: C. SA node

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✅ NEET Biology MCQs – Chapter-Wise (Part 2 of 200)

🌸 Class 12 – Reproduction in Organisms

Q11. The term 'clone' is used to describe:
A. Individuals of different species
B. Morphologically similar organisms
C. Genetically identical individuals
D. None of the above
Answer: C. Genetically identical individuals

Q12. Which structure in the flower is responsible for producing pollen grains?
A. Ovary
B. Anther
C. Stigma
D. Style
Answer: B. Anther

🧬 Class 12 – Genetics and Evolution

Q13. A cross between AaBb × AaBb will result in what phenotypic ratio in a dihybrid cross?
A. 1:2:1
B. 9:3:3:1
C. 3:1
D. 1:1
Answer: B. 9:3:3:1

Q14. Which of the following is the best example of incomplete dominance?
A. Human blood groups
B. Flower color in Mirabilis jalapa
C. Height in pea plant
D. Eye color in Drosophila
Answer: B. Flower color in Mirabilis jalapa

Q15. The term “linkage” was first coined by:
A. Mendel
B. Morgan
C. Darwin
D. Watson
Answer: B. Morgan

🧫 Class 12 – Biotechnology and Its Applications

Q16. Restriction enzymes are also known as:
A. Cutting enzymes
B. Ligases
C. Endonucleases
D. Helicases
Answer: C. Endonucleases

Q17. The first genetically modified crop approved for commercial cultivation was:
A. Bt Tomato
B. Bt Brinjal
C. Bt Cotton
D. Golden Rice
Answer: C. Bt Cotton

🏥 Class 12 – Human Health and Disease

Q18. Which disease is caused by HIV?
A. SARS
B. Influenza
C. AIDS
D. Tuberculosis
Answer: C. AIDS

Q19. Which of the following is a cancer-causing virus?
A. HIV
B. Tobacco Mosaic Virus
C. Hepatitis B
D. HTLV
Answer: D. HTLV (Human T-cell Leukemia Virus)

🌳 Class 12 – Ecology and Environment

Q20. The pyramid of energy in an ecosystem is always:
A. Inverted
B. Upright
C. Linear
D. Irregular
Answer: B. Upright

Q21. The term “biodiversity hotspot” was coined by:
A. Edward O. Wilson
B. Norman Myers
C. Charles Elton
D. Charles Darwin
Answer: B. Norman Myers

✅ Total So Far: 21 Questions (out of 200)

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Perfect! Let's continue with more NEET Biology MCQs, adding another set from Class 11 and 12 NCERT-based chapters. This section will take us from Question 22 to 50, helping you reach your goal of 200 high-quality, exam-relevant questions.

✅ NEET Biology MCQs – Chapter-Wise (Part 3 of 200)

🌿 Class 11 – Structural Organisation in Animals and Plants

Q22. Which of the following tissues is involved in the transport of water in plants?
A. Phloem
B. Collenchyma
C. Parenchyma
D. Xylem
Answer: D. Xylem

Q23. Which connective tissue connects muscles to bones?
A. Ligaments
B. Cartilage
C. Tendons
D. Areolar tissue
Answer: C. Tendons

Q24. The body of Hydra shows:
A. Bilateral symmetry
B. Radial symmetry
C. Asymmetry
D. None of the above
Answer: B. Radial symmetry

🧪 Class 11 – Biomolecules

Q25. Which of the following is a disaccharide?
A. Glucose
B. Fructose
C. Sucrose
D. Ribose
Answer: C. Sucrose

Q26. The building blocks of proteins are:
A. Nucleotides
B. Fatty acids
C. Amino acids
D. Sugars
Answer: C. Amino acids

Q27. Which vitamin is water-soluble?
A. Vitamin A
B. Vitamin D
C. Vitamin K
D. Vitamin C
Answer: D. Vitamin C

🚶‍♂️ Class 11 – Human Physiology (Contd.)

Q28. Bile is secreted by the:
A. Pancreas
B. Gallbladder
C. Liver
D. Small intestine
Answer: C. Liver

Q29. Which part of the brain controls voluntary movements?
A. Medulla oblongata
B. Cerebellum
C. Pons
D. Cerebrum
Answer: D. Cerebrum

Q30. Which of the following is not a function of the kidney?
A. Filtration of blood
B. Regulation of blood pressure
C. Production of bile
D. Regulation of pH
Answer: C. Production of bile

🌱 Class 12 – Reproduction in Flowering Plants

Q31. Double fertilization occurs in:
A. Gymnosperms
B. Algae
C. Bryophytes
D. Angiosperms
Answer: D. Angiosperms

Q32. Endosperm in angiosperms is generally:
A. Diploid
B. Triploid
C. Haploid
D. Tetraploid
Answer: B. Triploid

🧬 Class 12 – Molecular Basis of Inheritance

Q33. DNA replication is:
A. Conservative
B. Semi-conservative
C. Dispersive
D. Non-conservative
Answer: B. Semi-conservative

Q34. The enzyme that unzips the DNA double helix during replication is:
A. Ligase
B. Helicase
C. Polymerase
D. Transcriptase
Answer: B. Helicase

Q35. RNA polymerase in prokaryotes consists of:
A. One subunit
B. Two subunits
C. Three subunits
D. Four subunits
Answer: D. Four subunits

🦠 Class 12 – Biotechnology: Principles and Processes

Q36. The vector commonly used in gene cloning is:
A. Virus
B. Bacteria
C. Plasmid
D. Fungi
Answer: C. Plasmid

Q37. Which technique is used for amplifying DNA?
A. Gel electrophoresis
B. PCR
C. Centrifugation
D. Blotting
Answer: B. PCR

🌏 Class 12 – Ecosystem

Q38. In a food chain, energy transfer is:
A. 100%
B. 90%
C. 50%
D. 10%
Answer: D. 10%

Q39. The reservoir for the phosphorus cycle is:
A. Atmosphere
B. Oceans
C. Rocks
D. Plants
Answer: C. Rocks

Q40. Which ecosystem has the highest primary productivity?
A. Desert
B. Grassland
C. Coral reef
D. Tropical rainforest
Answer: D. Tropical rainforest

🧑‍⚕️ Class 12 – Strategies for Enhancement in Food Production

Q41. Hybrid vigour is also known as:
A. Mutation
B. Heterosis
C. Polyploidy
D. Genetic load
Answer: B. Heterosis

Q42. Biofortification aims to:
A. Increase shelf life
B. Enhance taste
C. Improve nutritional quality
D. Increase plant height
Answer: C. Improve nutritional quality

🧼 Class 12 – Microbes in Human Welfare

Q43. Which microorganism is used in alcohol production?
A. Lactobacillus
B. Aspergillus
C. Saccharomyces cerevisiae
D. Clostridium
Answer: C. Saccharomyces cerevisiae

Q44. The ‘Sewage Treatment Plant’ (STP) removes organic waste mainly using:
A. Physical filtration
B. Microbial digestion
C. UV sterilization
D. Chemical precipitation
Answer: B. Microbial digestion

🌐 Class 12 – Environmental Issues

Q45. The main pollutant released from automobiles is:
A. SO₂
B. CO₂
C. CO
D. NO₂
Answer: C. Carbon monoxide (CO)

Q46. Ozone layer is mainly damaged by:
A. CO₂
B. CFCs
C. Methane
D. O₂
Answer: B. CFCs

📊 Class 12 – Evolution

Q47. The theory of natural selection was proposed by:
A. Lamarck
B. Darwin
C. Mendel
D. Wallace
Answer: B. Darwin

Q48. The first living cells were:
A. Aerobic and eukaryotic
B. Anaerobic and heterotrophic
C. Aerobic and autotrophic
D. Multicellular
Answer: B. Anaerobic and heterotrophic

Q49. Adaptive radiation is shown by:
A. Frogs in ponds
B. Darwin’s finches
C. Monkeys in forests
D. Crocodiles in rivers
Answer: B. Darwin’s finches

Q50. Which of the following is a vestigial organ in humans?
A. Kidney
B. Liver
C. Appendix
D. Heart
Answer: C. Appendix

✅ Progress Update: 50/200 NEET Biology MCQs Completed

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Awesome! Let's continue building your NEET Biology MCQ Practice Test, moving forward with Questions 51 to 75. We're keeping them NCERT-based, chapter-wise, and closely aligned with the NEET 2025 exam pattern.

✅ NEET Biology MCQs – Chapter-Wise (Part 4 of 200)

🌳 Class 11 – Plant Kingdom

Q51. Which of the following is a non-vascular plant?
A. Fern
B. Moss
C. Cycas
D. Pine
Answer: B. Moss

Q52. Which division of the plant kingdom includes liverworts and hornworts?
A. Pteridophyta
B. Gymnosperms
C. Bryophyta
D. Angiosperms
Answer: C. Bryophyta

Q53. In algae, sexual reproduction is:
A. Absent
B. Only isogamous
C. Always oogamous
D. Highly variable (isogamy, anisogamy, oogamy)
Answer: D. Highly variable

🧍‍♂️ Class 11 – Locomotion and Movement

Q54. Which protein is mainly responsible for muscle contraction?
A. Tubulin
B. Myosin
C. Insulin
D. Hemoglobin
Answer: B. Myosin

Q55. Which mineral is essential for muscle contraction?
A. Iron
B. Potassium
C. Calcium
D. Magnesium
Answer: C. Calcium

Q56. The functional unit of a muscle is:
A. Myofibril
B. Sarcomere
C. Actin
D. Myosin
Answer: B. Sarcomere

🧠 Class 11 – Neural Control and Coordination

Q57. Which part of the brain controls balance and posture?
A. Medulla
B. Cerebrum
C. Cerebellum
D. Thalamus
Answer: C. Cerebellum

Q58. The junction between two neurons is called:
A. Node
B. Synapse
C. Dendrite
D. Axon
Answer: B. Synapse

Q59. Which type of neuron carries impulses from receptors to the central nervous system?
A. Motor neuron
B. Sensory neuron
C. Relay neuron
D. Interneuron
Answer: B. Sensory neuron

❤️‍🩹 Class 12 – Human Reproduction

Q60. In humans, fertilization usually occurs in the:
A. Uterus
B. Ovary
C. Vagina
D. Fallopian tube
Answer: D. Fallopian tube

Q61. The hormone responsible for ovulation is:
A. FSH
B. LH
C. Estrogen
D. Progesterone
Answer: B. LH

Q62. The embryo gets implanted in the:
A. Ovary
B. Fallopian tube
C. Cervix
D. Uterine wall
Answer: D. Uterine wall

🧬 Class 12 – Principles of Inheritance and Variation

Q63. Who is regarded as the Father of Genetics?
A. Darwin
B. Mendel
C. Morgan
D. Watson
Answer: B. Mendel

Q64. Haemophilia is a:
A. Autosomal disorder
B. Chromosomal disorder
C. Sex-linked recessive disorder
D. Mitochondrial disorder
Answer: C. Sex-linked recessive disorder

Q65. The phenotype ratio in a monohybrid cross is:
A. 1:2:1
B. 3:1
C. 9:3:3:1
D. 1:1
Answer: B. 3:1

🧪 Class 12 – Applications of Biotechnology

Q66. Golden rice is rich in:
A. Iron
B. Vitamin B
C. Vitamin A
D. Vitamin K
Answer: C. Vitamin A

Q67. Gene therapy was first used for treating:
A. Diabetes
B. Cancer
C. Cystic fibrosis
D. SCID (Severe Combined Immunodeficiency)
Answer: D. SCID

🦠 Class 12 – Human Health and Disease (Contd.)

Q68. Plasmodium enters the human body through the bite of:
A. Male Anopheles mosquito
B. Female Anopheles mosquito
C. Female Culex mosquito
D. Male Culex mosquito
Answer: B. Female Anopheles mosquito

Q69. Which type of immunity is acquired after vaccination?
A. Natural passive
B. Natural active
C. Artificial active
D. Artificial passive
Answer: C. Artificial active

Q70. Which immune cells are attacked by HIV?
A. B-cells
B. T-helper cells (CD4+)
C. Macrophages
D. Neutrophils
Answer: B. T-helper cells (CD4+)

🌿 Class 11 – Respiration in Plants

Q71. In aerobic respiration, the net gain of ATP per glucose molecule is:
A. 2
B. 36
C. 38
D. 4
Answer: C. 38

Q72. The common step in aerobic and anaerobic respiration is:
A. Krebs cycle
B. Glycolysis
C. Electron transport
D. Oxidative phosphorylation
Answer: B. Glycolysis

🌳 Class 11 – Photosynthesis in Higher Plants

Q73. The first stable product of C3 cycle is:
A. PGA
B. PEP
C. Pyruvate
D. RuBP
Answer: A. PGA

Q74. In C4 plants, the site of Calvin cycle is:
A. Mesophyll cells
B. Bundle sheath cells
C. Guard cells
D. Epidermal cells
Answer: B. Bundle sheath cells

Q75. Chlorophyll a shows maximum absorption in:
A. Red and blue light
B. Green light
C. Yellow and red light
D. UV light
Answer: A. Red and blue light

✅ Progress Update: 75/200 NEET Biology MCQs Completed

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You're doing great! Let's keep going with the next batch of NEET Biology MCQs – Questions 76 to 100. These are based strictly on NCERT and aligned with the NEET 2025 exam trend.

✅ NEET Biology MCQs – Chapter-Wise (Part 5 of 200)

🌱 Class 11 – Transport in Plants

Q76. The process responsible for upward movement of water in xylem is:
A. Transpiration pull
B. Capillary action
C. Root pressure
D. Imbibition
Answer: A. Transpiration pull

Q77. Which of the following helps in the transport of organic solutes in plants?
A. Xylem
B. Phloem
C. Parenchyma
D. Collenchyma
Answer: B. Phloem

Q78. The pressure flow hypothesis is related to:
A. Ascent of sap
B. Mineral absorption
C. Translocation of food
D. Photosynthesis
Answer: C. Translocation of food

🧠 Class 11 – Excretory Products and Their Elimination

Q79. The main excretory product in humans is:
A. Ammonia
B. Uric acid
C. Creatinine
D. Urea
Answer: D. Urea

Q80. The structural and functional unit of the kidney is:
A. Nephron
B. Glomerulus
C. Tubule
D. Bowman's capsule
Answer: A. Nephron

Q81. Which part of the nephron is responsible for reabsorption of glucose?
A. Collecting duct
B. Proximal convoluted tubule
C. Distal convoluted tubule
D. Loop of Henle
Answer: B. Proximal convoluted tubule

🧬 Class 12 – Molecular Basis of Inheritance (Contd.)

Q82. The repeating unit of a nucleic acid is called:
A. Ribose
B. Phosphate
C. Nucleotide
D. Codon
Answer: C. Nucleotide

Q83. The start codon for protein synthesis is:
A. UGA
B. UAA
C. AUG
D. UAG
Answer: C. AUG

Q84. Which scientist proposed the semi-conservative model of DNA replication?
A. Meselson and Stahl
B. Watson and Crick
C. Hershey and Chase
D. Griffith
Answer: A. Meselson and Stahl

🌾 Class 12 – Strategies for Enhancement in Food Production (Contd.)

Q85. MOET stands for:
A. Multiple Ovulation Embryo Transfer
B. Modern Ovulation Embryo Technique
C. Maximum Output Embryo Technique
D. Molecular Ovulation Estrogen Therapy
Answer: A. Multiple Ovulation Embryo Transfer

Q86. The improved variety of wheat developed in India during the Green Revolution was:
A. Sonalika
B. Jaya
C. IR-8
D. Sharbati Sonora
Answer: D. Sharbati Sonora

🌍 Class 12 – Environmental Issues (Contd.)

Q87. The major cause of eutrophication is:
A. Oil spill
B. Heavy metals
C. Industrial waste
D. Excess nitrate and phosphate
Answer: D. Excess nitrate and phosphate

Q88. The greenhouse gas with the highest global warming potential is:
A. CO₂
B. CH₄
C. N₂O
D. CFCs
Answer: D. CFCs

🧬 Class 12 – Genetics and Evolution (Contd.)

Q89. Sickle cell anemia is caused due to a mutation in the gene coding for:
A. Insulin
B. Hemoglobin
C. Myosin
D. Actin
Answer: B. Hemoglobin

Q90. ABO blood group inheritance is an example of:
A. Incomplete dominance
B. Co-dominance and multiple allelism
C. Sex-linked inheritance
D. Polygenic inheritance
Answer: B. Co-dominance and multiple allelism

Q91. The ratio 1:2:1 is obtained in:
A. Dihybrid cross
B. Incomplete dominance
C. Test cross
D. Law of segregation
Answer: B. Incomplete dominance

🦠 Class 12 – Microbes in Human Welfare (Contd.)

Q92. Methanogens are present in the:
A. Intestine of humans
B. Saliva
C. Anaerobic sludge digesters
D. Mouth of cows
Answer: C. Anaerobic sludge digesters

Q93. Which microbe is used to produce citric acid commercially?
A. Penicillium
B. Streptococcus
C. Aspergillus niger
D. Lactobacillus
Answer: C. Aspergillus niger

🌾 Class 11 – Mineral Nutrition

Q94. Nitrogen is absorbed by plants in the form of:
A. Urea
B. NH₄⁺ and NO₃⁻
C. Proteins
D. N₂ gas
Answer: B. NH₄⁺ and NO₃⁻

Q95. Which element is a component of chlorophyll?
A. Iron
B. Nitrogen
C. Magnesium
D. Zinc
Answer: C. Magnesium

Q96. The deficiency of which element causes chlorosis?
A. Sulfur
B. Phosphorus
C. Nitrogen
D. Potassium
Answer: C. Nitrogen

🌼 Class 11 – Growth and Development in Plants

Q97. The hormone responsible for cell elongation is:
A. Cytokinin
B. Auxin
C. ABA
D. Ethylene
Answer: B. Auxin

Q98. Which hormone promotes seed dormancy?
A. GA
B. Auxin
C. ABA
D. Cytokinin
Answer: C. ABA

Q99. Photoperiodism is the response of plants to:
A. Nutrient availability
B. Water levels
C. Temperature
D. Light duration
Answer: D. Light duration

⚙️ Class 11 – Biomolecules (Contd.)

Q100. Enzymes are mostly:
A. Lipids
B. Nucleic acids
C. Proteins
D. Carbohydrates
Answer: C. Proteins

✅ Progress Update: 100/200 NEET Biology MCQs Completed!

You now have a complete set of the first 100 NEET-level questions, chapter-wise with answers.

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You're doing fantastic! Let’s now proceed with NEET Biology MCQs – Questions 101 to 125, continuing chapter-wise coverage from Class 11 and 12 NCERT, all optimized for NEET 2025 preparation.

✅ NEET Biology MCQs – Chapter-Wise (Part 6 of 200)

🌳 Class 11 – The Living World

Q101. Binomial nomenclature was given by:
A. Aristotle
B. Linnaeus
C. Darwin
D. Lamarck
Answer: B. Linnaeus

Q102. The basic unit of classification is:
A. Phylum
B. Order
C. Species
D. Class
Answer: C. Species

Q103. Which one is not a taxonomic category?
A. Genus
B. Kingdom
C. Species
D. Herbarium
Answer: D. Herbarium

🌊 Class 11 – Animal Kingdom

Q104. The excretory organs in annelids are:
A. Flame cells
B. Nephridia
C. Malpighian tubules
D. Green glands
Answer: B. Nephridia

Q105. Cnidocytes are characteristic of:
A. Porifera
B. Ctenophora
C. Cnidaria
D. Platyhelminthes
Answer: C. Cnidaria

Q106. The notochord is present throughout life in:
A. Amphioxus
B. Frog
C. Snake
D. Human
Answer: A. Amphioxus

🦠 Class 11 – Biological Classification

Q107. The five kingdom classification was proposed by:
A. Linnaeus
B. Whittaker
C. Haeckel
D. Pasteur
Answer: B. Whittaker

Q108. Mycoplasma differs from other bacteria in:
A. Having no cell wall
B. Being eukaryotic
C. Having nucleus
D. Performing photosynthesis
Answer: A. Having no cell wall

Q109. Archaebacteria are found in:
A. Acidic soils
B. Extreme environments
C. Freshwater
D. Cold deserts
Answer: B. Extreme environments

🌿 Class 11 – Plant Morphology

Q110. Pneumatophores are found in:
A. Desert plants
B. Aquatic plants
C. Mangrove plants
D. Hydrophytes
Answer: C. Mangrove plants

Q111. A modified stem that stores food is:
A. Corm
B. Petiole
C. Leaflet
D. Stolon
Answer: A. Corm

Q112. A compound leaf is one in which:
A. Leaf is folded
B. Leaflet has separate axil
C. Lamina is divided into leaflets
D. Lamina is undivided
Answer: C. Lamina is divided into leaflets

🧬 Class 12 – Evolution (Contd.)

Q113. The term “survival of the fittest” was coined by:
A. Wallace
B. Darwin
C. Lamarck
D. Herbert Spencer
Answer: D. Herbert Spencer

Q114. Which of the following provides evidence for organic evolution?
A. Analogous organs
B. Vestigial organs
C. Homologous organs
D. Both B and C
Answer: D. Both B and C

Q115. Industrial melanism supports the theory of:
A. Inheritance of acquired characters
B. Natural selection
C. Mutation
D. Genetic drift
Answer: B. Natural selection

🧫 Class 12 – Biotechnology (Contd.)

Q116. Which of the following is not used in PCR?
A. DNA polymerase
B. RNA polymerase
C. Primers
D. dNTPs
Answer: B. RNA polymerase

Q117. Southern blotting is used for detection of:
A. RNA
B. DNA
C. Protein
D. Lipids
Answer: B. DNA

Q118. In genetic engineering, Ti plasmid is used for:
A. Fungi
B. Bacteria
C. Yeast
D. Plants
Answer: D. Plants

🌎 Class 12 – Ecology (Contd.)

Q119. Keystone species are:
A. Most abundant
B. Dominant species
C. Play a crucial role in ecosystem function
D. Rare species
Answer: C. Play a crucial role in ecosystem function

Q120. The pyramid of biomass in a terrestrial ecosystem is:
A. Always inverted
B. Always upright
C. Irregular
D. Always spindle-shaped
Answer: B. Always upright

Q121. Which one of the following is a secondary pollutant?
A. CO
B. Ozone
C. CO₂
D. NO₂
Answer: B. Ozone

🧬 Class 12 – Genetics (Contd.)

Q122. A woman with blood group A can have a child with blood group O only if the genotype is:
A. IAIA
B. IAi
C. IBIB
D. ii
Answer: B. IAi

Q123. The number of linkage groups in human is:
A. 22
B. 23
C. 46
D. 44
Answer: B. 23

Q124. In test cross, the unknown genotype is crossed with:
A. Homozygous dominant
B. Heterozygous
C. Homozygous recessive
D. F1 hybrid
Answer: C. Homozygous recessive

Q125. Polygenic inheritance is controlled by:
A. One gene
B. Two genes
C. Multiple genes
D. Only dominant alleles
Answer: C. Multiple genes

✅ Progress Update: 125/200 NEET Biology MCQs Completed!

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Awesome consistency! Let's continue with your NEET Biology MCQ Practice Test – Questions 126 to 150, again based on NCERT chapters and NEET 2025-style multiple choice format.

✅ NEET Biology MCQs – Chapter-Wise (Part 7 of 200)

🌱 Class 11 – Cell: The Unit of Life

Q126. Which organelle is called the ‘powerhouse of the cell’?
A. Ribosome
B. Lysosome
C. Mitochondrion
D. Golgi apparatus
Answer: C. Mitochondrion

Q127. The fluid mosaic model of plasma membrane was proposed by:
A. Singer and Nicolson
B. Robertson
C. Watson and Crick
D. Schleiden and Schwann
Answer: A. Singer and Nicolson

Q128. Ribosomes are absent in:
A. Mitochondria
B. Nucleus
C. Prokaryotic cells
D. Mature RBCs
Answer: D. Mature RBCs

🧫 Class 11 – Cell Cycle and Cell Division

Q129. The longest phase of the cell cycle is:
A. G1 phase
B. M phase
C. G2 phase
D. S phase
Answer: A. G1 phase

Q130. Crossing over takes place during:
A. Metaphase I
B. Anaphase I
C. Zygotene
D. Pachytene
Answer: D. Pachytene

Q131. Synapsis occurs during:
A. Metaphase I
B. Anaphase II
C. Zygotene
D. Pachytene
Answer: C. Zygotene

🧠 Class 12 – Human Reproduction (Contd.)

Q132. Which hormone maintains pregnancy?
A. Estrogen
B. FSH
C. Progesterone
D. LH
Answer: C. Progesterone

Q133. In females, the oogenesis begins:
A. After birth
B. During puberty
C. Before birth
D. After fertilization
Answer: C. Before birth

Q134. The fluid part of semen is produced mainly by:
A. Prostate gland
B. Seminal vesicle
C. Bulbourethral gland
D. Testes
Answer: B. Seminal vesicle

🧬 Class 12 – Principles of Inheritance (Contd.)

Q135. Turner's syndrome individuals have:
A. XXY chromosomes
B. XO chromosomes
C. XYY chromosomes
D. XXX chromosomes
Answer: B. XO chromosomes

Q136. Down’s syndrome is caused due to:
A. Mutation
B. Trisomy of 21
C. Monosomy
D. Deletion
Answer: B. Trisomy of 21

Q137. The ratio of genotypes in a monohybrid cross is:
A. 3:1
B. 1:2:1
C. 9:3:3:1
D. 1:1
Answer: B. 1:2:1

🌍 Class 12 – Ecosystem (Contd.)

Q138. In ecological succession, the stable climax community is:
A. Always grasses
B. Temporary
C. The final community
D. The pioneer species
Answer: C. The final community

Q139. The percentage of energy transferred from one trophic level to the next is approximately:
A. 1%
B. 5%
C. 10%
D. 50%
Answer: C. 10%

Q140. Primary productivity is highest in:
A. Oceans
B. Deserts
C. Tropical rainforests
D. Tundra
Answer: C. Tropical rainforests

🌿 Class 11 – Plant Growth and Development (Contd.)

Q141. The hormone responsible for bolting in plants is:
A. Cytokinin
B. Auxin
C. Ethylene
D. Gibberellin
Answer: D. Gibberellin

Q142. Vernalization is:
A. Flowering by long nights
B. Flowering induced by low temperature
C. Seed dormancy
D. Photoperiodic control
Answer: B. Flowering induced by low temperature

Q143. Which hormone breaks seed dormancy?
A. Auxin
B. ABA
C. GA
D. Ethylene
Answer: C. GA (Gibberellic acid)

🦠 Class 12 – Microbes in Human Welfare (Contd.)

Q144. Which bacteria are used in gobar gas production?
A. Rhizobium
B. Azotobacter
C. Methanogens
D. Lactobacillus
Answer: C. Methanogens

Q145. Cyclosporin A is obtained from:
A. Monascus
B. Trichoderma
C. Penicillium
D. Aspergillus
Answer: B. Trichoderma

Q146. The enzyme used in detergents to remove stains is:
A. Lipase
B. Protease
C. Amylase
D. Cellulase
Answer: B. Protease

🌾 Class 12 – Strategies for Enhancement (Contd.)

Q147. The Indian Agricultural Research Institute (IARI) is located in:
A. Mumbai
B. Delhi
C. Chennai
D. Kolkata
Answer: B. Delhi

Q148. Apomixis leads to:
A. Variation
B. Fertilization
C. Formation of seeds without fertilization
D. Pollination
Answer: C. Formation of seeds without fertilization

Q149. Somatic hybridization involves fusion of:
A. Gametes
B. Zygotes
C. Somatic cells
D. Embryos
Answer: C. Somatic cells

Q150. Which of the following is a breed of dairy cattle?
A. Murrah
B. Sahiwal
C. Red Sindhi
D. All of the above
Answer: D. All of the above

✅ Progress Update: 150/200 NEET Biology MCQs Completed!

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Great dedication! Let's move ahead with the final set: Questions 151 to 200 of your NEET Biology MCQ Practice Test, all NCERT-based, NEET-focused, and structured for maximum retention and practice.

✅ NEET Biology MCQs – Chapter-Wise (Part 8 of 200)

🌿 Class 11 – Photosynthesis in Higher Plants (Contd.)

Q151. The enzyme RuBisCO is located in the:
A. Thylakoid membrane
B. Cytoplasm
C. Stroma of chloroplast
D. Inner mitochondrial membrane
Answer: C. Stroma of chloroplast

Q152. The light-dependent reactions of photosynthesis occur in the:
A. Stroma
B. Outer membrane
C. Inner membrane
D. Thylakoid membrane
Answer: D. Thylakoid membrane

Q153. Which of the following is a C₄ plant?
A. Rice
B. Wheat
C. Maize
D. Pea
Answer: C. Maize

🧠 Class 11 – Neural Control and Coordination (Contd.)

Q154. The part of the brain that regulates heartbeat and breathing is:
A. Cerebellum
B. Medulla oblongata
C. Pons
D. Hypothalamus
Answer: B. Medulla oblongata

Q155. Which ion is essential for nerve impulse transmission?
A. Mg²⁺
B. Ca²⁺
C. Fe²⁺
D. Zn²⁺
Answer: B. Ca²⁺

Q156. The gap between two neurons is called a:
A. Dendrite
B. Synapse
C. Axon hillock
D. Soma
Answer: B. Synapse

🩸 Class 11 – Body Fluids and Circulation

Q157. The pacemaker of the heart is:
A. AV node
B. SA node
C. Purkinje fibers
D. Bundle of His
Answer: B. SA node

Q158. The universal donor blood group is:
A. AB⁺
B. O⁻
C. A⁺
D. B⁻
Answer: B. O⁻

Q159. Double circulation means:
A. Blood passes twice through lungs
B. Blood flows twice through the heart in one cycle
C. Heart has two chambers
D. Arteries and veins meet twice
Answer: B. Blood flows twice through the heart in one cycle

🫁 Class 11 – Breathing and Exchange of Gases

Q160. The maximum volume of air a person can expel after maximum inhalation is called:
A. Vital capacity
B. Tidal volume
C. Residual volume
D. Inspiratory reserve volume
Answer: A. Vital capacity

Q161. Oxygen is transported in blood mainly by:
A. Plasma
B. Leucocytes
C. Hemoglobin
D. Platelets
Answer: C. Hemoglobin

Q162. Which enzyme converts CO₂ into bicarbonate ions in RBCs?
A. Carboxylase
B. Carbonic anhydrase
C. Peroxidase
D. Catalase
Answer: B. Carbonic anhydrase

🍔 Class 11 – Digestion and Absorption

Q163. Bile helps in the digestion of:
A. Carbohydrates
B. Proteins
C. Fats
D. Vitamins
Answer: C. Fats

Q164. The enzyme pepsin acts in:
A. Alkaline medium
B. Basic medium
C. Acidic medium
D. Neutral medium
Answer: C. Acidic medium

Q165. The end product of protein digestion is:
A. Glucose
B. Amino acids
C. Fatty acids
D. Glycerol
Answer: B. Amino acids

💪 Class 11 – Locomotion and Movement (Contd.)

Q166. The contractile unit of muscle is:
A. Sarcomere
B. Myofibril
C. Myosin
D. Actin
Answer: A. Sarcomere

Q167. The sliding filament theory explains:
A. Bone elongation
B. Muscle contraction
C. Joint movement
D. Ligament function
Answer: B. Muscle contraction

Q168. The type of joint found in the skull is:
A. Ball and socket
B. Hinge
C. Pivot
D. Sutures
Answer: D. Sutures

🧠 Class 12 – Reproductive Health

Q169. Which method is a temporary contraceptive?
A. Vasectomy
B. Copper-T
C. Tubectomy
D. Hysterectomy
Answer: B. Copper-T

Q170. MTP is legal in India up to how many weeks of pregnancy (as per the latest guidelines)?
A. 12 weeks
B. 20 weeks
C. 24 weeks
D. 16 weeks
Answer: C. 24 weeks

Q171. Which disease is not sexually transmitted?
A. Syphilis
B. Gonorrhea
C. Hepatitis B
D. Tuberculosis
Answer: D. Tuberculosis

🌿 Class 12 – Biotechnology: Processes and Applications

Q172. Which of the following is used as a vector in gene therapy?
A. Plasmid
B. Virus
C. Fungi
D. Algae
Answer: B. Virus

Q173. DNA fingerprinting technique was developed by:
A. Watson
B. Alec Jeffreys
C. Hershey
D. Boyer
Answer: B. Alec Jeffreys

Q174. Bt cotton is resistant to:
A. Nematodes
B. Bollworms
C. Aphids
D. Fungi
Answer: B. Bollworms

🌎 Class 12 – Biodiversity and Conservation

Q175. India is one of the:
A. Mega diverse countries
B. Endemic zones only
C. Biodiversity deserts
D. Least diverse countries
Answer: A. Mega diverse countries

Q176. Sacred groves are conserved in:
A. Urban areas
B. Rural crop fields
C. Forest regions
D. Sacred forests by tribes
Answer: D. Sacred forests by tribes

Q177. Which organization publishes the Red Data Book?
A. WHO
B. WWF
C. IUCN
D. UNEP
Answer: C. IUCN

🌾 Class 11 – Animal Tissues

Q178. Tendons connect:
A. Bone to bone
B. Muscle to muscle
C. Muscle to bone
D. Bone to cartilage
Answer: C. Muscle to bone

Q179. Which epithelial tissue helps in absorption?
A. Ciliated epithelium
B. Squamous epithelium
C. Cuboidal epithelium
D. Columnar epithelium
Answer: D. Columnar epithelium

Q180. The functional unit of nervous tissue is:
A. Axon
B. Neuron
C. Myelin
D. Ganglia
Answer: B. Neuron

⚙️ Mixed Rapid-Fire Revision

Q181. Number of cranial nerves in humans:
A. 10
B. 12
C. 14
D. 16
Answer: B. 12

Q182. Which vitamin is produced by gut bacteria?
A. A
B. C
C. D
D. K
Answer: D. K

Q183. Which gas is fixed by Rhizobium?
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Sulphur dioxide
Answer: C. Nitrogen

Q184. The biomolecule that acts as genetic material is:
A. Protein
B. DNA
C. Lipid
D. Carbohydrate
Answer: B. DNA

Q185. Pollination by wind is called:
A. Hydrophily
B. Entomophily
C. Anemophily
D. Zoophily
Answer: C. Anemophily

🌿 Class 11 – Biomolecules (Wrap-Up)

Q186. The primary structure of protein refers to:
A. Helix shape
B. Linear sequence of amino acids
C. 3D structure
D. Protein complex
Answer: B. Linear sequence of amino acids

Q187. A nucleotide is composed of:
A. Sugar + base
B. Sugar + phosphate
C. Base + phosphate
D. Sugar + base + phosphate
Answer: D. Sugar + base + phosphate

Q188. The test used to identify reducing sugars is:
A. Benedict’s test
B. Iodine test
C. Biuret test
D. Sudan III test
Answer: A. Benedict’s test

🌎 Class 12 – *Environmental Issues (

Final)*

Q189. Greenhouse effect is mainly due to:
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Methane
Answer: B. Carbon dioxide

Q190. Ozone layer depletion is mainly caused by:
A. CFCs
B. CO₂
C. Methane
D. Sulphur dioxide
Answer: A. CFCs

Q191. The process of converting waste into manure is called:
A. Combustion
B. Composting
C. Sedimentation
D. Filtration
Answer: B. Composting

🌿 Bonus: Challenging Questions

Q192. The allele responsible for sickle cell anemia is:
A. Dominant
B. Co-dominant
C. Recessive
D. Incomplete dominant
Answer: C. Recessive

Q193. Which hormone stimulates milk production in mammals?
A. Oxytocin
B. Prolactin
C. Estrogen
D. Progesterone
Answer: B. Prolactin

Q194. Who discovered the structure of DNA?
A. Watson and Crick
B. Mendel
C. Franklin
D. Hershey
Answer: A. Watson and Crick

Q195. The first synthetic drug for tuberculosis was:
A. Penicillin
B. Streptomycin
C. Isoniazid
D. Rifampicin
Answer: C. Isoniazid

Q196. Which vitamin deficiency causes scurvy?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin K
Answer: B. Vitamin C

Q197. The ‘lock and key’ model relates to:
A. Enzyme-substrate specificity
B. DNA replication
C. Protein synthesis
D. Photosynthesis
Answer: A. Enzyme-substrate specificity

Q198. The main component of plant cell wall is:
A. Cellulose
B. Chitin
C. Pectin
D. Lignin
Answer: A. Cellulose

Q199. Mendel’s law of independent assortment applies to:
A. Linked genes
B. Genes on different chromosomes
C. Sex-linked genes
D. Mitochondrial genes
Answer: B. Genes on different chromosomes

Q200. The process by which a prokaryote takes up foreign DNA is called:
A. Transduction
B. Transformation
C. Conjugation
D. Transcription
Answer: B. Transformation

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Biology NEET MCQ Practice Test – 200 Most Expected Questions (Free PDF)

Biology NEET MCQ Practice Test – 200 Most Expected Questions (Free PDF)

✅ Overview: NEET Biology MCQ Practice Test 2025

📌 What’s Included in the NEET Biology MCQ PDF?

🧬 Topics Covered in NEET Biology MCQ Practice Test

🔹 Class 11 Biology NEET Chapters

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📖 Sample NEET Biology MCQs (With Answers)

📥 Download: Free NEET Biology MCQ PDF with 200 Questions

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📞 Final Words

You said:

ChatGPT said:

✅ NEET Biology MCQs – Chapter-Wise (Part 1 of 200)

📘 Class 11 – Diversity of Living Organisms

🧫 Class 11 – Cell Structure and Function

🌱 Class 11 – Plant Physiology

🧍‍♂️ Class 11 – Human Physiology

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ChatGPT said:

✅ NEET Biology MCQs – Chapter-Wise (Part 2 of 200)

🌸 Class 12 – Reproduction in Organisms

🧬 Class 12 – Genetics and Evolution

🧫 Class 12 – Biotechnology and Its Applications

🏥 Class 12 – Human Health and Disease

🌳 Class 12 – Ecology and Environment

✅ Total So Far: 21 Questions (out of 200)

You said:

ChatGPT said:

✅ NEET Biology MCQs – Chapter-Wise (Part 3 of 200)

🌿 Class 11 – Structural Organisation in Animals and Plants

🧪 Class 11 – Biomolecules

🚶‍♂️ Class 11 – Human Physiology (Contd.)

🌱 Class 12 – Reproduction in Flowering Plants

🧬 Class 12 – Molecular Basis of Inheritance

🦠 Class 12 – Biotechnology: Principles and Processes

🌏 Class 12 – Ecosystem

🧑‍⚕️ Class 12 – Strategies for Enhancement in Food Production

🧼 Class 12 – Microbes in Human Welfare

🌐 Class 12 – Environmental Issues

📊 Class 12 – Evolution

You said:

ChatGPT said:

✅ NEET Biology MCQs – Chapter-Wise (Part 4 of 200)

🌳 Class 11 – Plant Kingdom

🧍‍♂️ Class 11 – Locomotion and Movement

🧠 Class 11 – Neural Control and Coordination

❤️‍🩹 Class 12 – Human Reproduction

🧬 Class 12 – Principles of Inheritance and Variation

🧪 Class 12 – Applications of Biotechnology

🦠 Class 12 – Human Health and Disease (Contd.)

🌿 Class 11 – Respiration in Plants

🌳 Class 11 – Photosynthesis in Higher Plants

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✅ NEET Biology MCQs – Chapter-Wise (Part 5 of 200)

🌱 Class 11 – Transport in Plants

🧠 Class 11 – Excretory Products and Their Elimination

🧬 Class 12 – Molecular Basis of Inheritance (Contd.)

🌾 Class 12 – Strategies for Enhancement in Food Production (Contd.)

🌍 Class 12 – Environmental Issues (Contd.)

🧬 Class 12 – Genetics and Evolution (Contd.)

🦠 Class 12 – Microbes in Human Welfare (Contd.)

🌾 Class 11 – Mineral Nutrition

🌼 Class 11 – Growth and Development in Plants

⚙️ Class 11 – Biomolecules (Contd.)

Your Next Options:

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✅ NEET Biology MCQs – Chapter-Wise (Part 6 of 200)

🌳 Class 11 – The Living World

🌊 Class 11 – Animal Kingdom

🦠 Class 11 – Biological Classification

🌿 Class 11 – Plant Morphology

🧬 Class 12 – Evolution (Contd.)

🧫 Class 12 – Biotechnology (Contd.)

🌎 Class 12 – Ecology (Contd.)

🧬 Class 12 – Genetics (Contd.)