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
Download the free NEET Biology MCQ PDF now and take your NEET UG preparation to the next level!
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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?
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200 carefully selected NEET-level biology questions
-
MCQs from both Class 11 and Class 12 chapters
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Chapter-wise distribution of questions
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Detailed answer key and explanations
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Based on the latest NEET syllabus and NCERT pattern
🧬 Topics Covered in NEET Biology MCQ Practice Test
🔹 Class 11 Biology NEET Chapters
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Diversity of Living Organisms
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Structural Organisation in Animals and Plants
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Cell Structure and Function
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Plant Physiology
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Human Physiology
🔹 Class 12 Biology NEET Chapters
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Reproduction
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Genetics and Evolution
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Biology in Human Welfare
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Biotechnology
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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:
👉 [Download PDF Now – 200 NEET Biology MCQs with Answers]
🔍 Why This NEET Biology MCQ Practice Test is Important?
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Helps identify strong and weak areas in Biology
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Covers important NEET topics repeatedly asked in previous years
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Great for daily revision and last-minute practice
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Designed to simulate the actual NEET exam level
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Created by NEET experts with NCERT-focused questions
📚 Additional NEET Biology Preparation Tips
-
Revise NCERT Biology books thoroughly
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Practice previous year NEET questions
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Focus on diagrams and definitions
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Take mock tests regularly
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Solve topic-wise NEET MCQ quizzes
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NEET Biology MCQ PDF free download
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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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Great! Let’s continue building the NEET Biology MCQs – moving on to Class 12 chapters. These will also be high-yield, NCERT-based, and designed to mirror NEET’s difficulty level.
✅ 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 (
ChatGPT said:
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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