NEET Biology – 90 Most Important Questions

Botany (Q1–45) | Biology 90 Questions NEET

  1. Who is the father of Botany?
    Theophrastus
  2. Which kingdom includes cyanobacteria?
    Monera
  3. Cell wall in fungi is made of?
    Chitin
  4. Photosynthesis occurs in?
    Chloroplast
  5. Functional unit of kidney?
    Nephron
  6. Opening and closing of stomata regulated by?
    Guard cells
  7. Phloem transports?
    Food (sugars)
  8. Xylem transports?
    Water and minerals
  9. ATP is produced in?
    Mitochondria
  10. DNA is present in?
    Nucleus
  11. Calvin cycle occurs in?
    Stroma
  12. Light reaction occurs in?
    Thylakoid membrane
  13. Which pigment absorbs maximum light?
    Chlorophyll a
  14. Transpiration mainly occurs through?
    Stomata
  15. Nitrogen fixation done by?
    Rhizobium
  16. Plant hormone for growth?
    Auxin
  17. Gibberellins help in?
    Stem elongation
  18. Ethylene is responsible for?
    Fruit ripening
  19. Cytokinins promote?
    Cell division
  20. Which tissue provides support?
    Collenchyma
  21. Dead tissue with lignin?
    Sclerenchyma
  22. Vascular bundles in dicot stem are?
    Open
  23. Vascular bundles in monocot stem are?
    Closed
  24. Double fertilization occurs in?
    Angiosperms
  25. Male gametophyte is?
    Pollen grain
  26. Female gametophyte is?
    Embryo sac
  27. Endosperm is?
    Triploid
  28. Pollination by wind is called?
    Anemophily
  29. Pollination by insects?
    Entomophily
  30. C4 plants example?
    Maize
  31. CAM plants example?
    Opuntia
  32. Photorespiration occurs in?
    C3 plants
  33. Mineral deficiency causes?
    Chlorosis
  34. Apical meristem responsible for?
    Primary growth
  35. Lateral meristem responsible for?
    Secondary growth
  36. Root nodules contain?
    Nitrogen-fixing bacteria
  37. Seed without endosperm?
    Non-albuminous
  38. Study of fungi?
    Mycology
  39. Study of algae?
    Phycology
  40. Bryophytes are called?
    Amphibians of plant kingdom
  41. Pteridophytes reproduce by?
    Spores
  42. Gymnosperms seeds are?
    Naked
  43. Angiosperms seeds are?
    Covered
  44. Fruit develops from?
    Ovary
  45. Seed develops from?
    Ovule

Zoology (Q46–90) | Biology 90 Questions NEET

  1. Father of Zoology?
    Aristotle
  2. Basic unit of life?
    Cell
  3. Powerhouse of cell?
    Mitochondria
  4. Genetic material?
    DNA
  5. RNA found in?
    Cytoplasm
  6. Ribosomes function?
    Protein synthesis
  7. Human heart has chambers?
    4
  8. Largest artery?
    Aorta
  9. Oxygen transported by?
    Hemoglobin
  10. Blood group discovered by?
    Landsteiner
  11. Universal donor?
    O negative
  12. Universal recipient?
    AB positive
  13. Neuron is?
    Nerve cell
  14. Brain part controlling balance?
    Cerebellum
  15. Hormone insulin secreted by?
    Pancreas
  16. Thyroxine secreted by?
    Thyroid gland
  17. Adrenaline secreted by?
    Adrenal gland
  18. Functional unit of nervous system?
    Neuron
  19. Lungs function?
    Gas exchange
  20. Alveoli function?
    Increase surface area
  21. Digestion starts in?
    Mouth
  22. Enzyme in saliva?
    Amylase
  23. Largest gland in body?
    Liver
  24. Bile helps in?
    Fat digestion
  25. Excretion organ?
    Kidney
  26. Urine formation in?
    Nephron
  27. Male reproductive cell?
    Sperm
  28. Female reproductive cell?
    Ovum
  29. Fertilization occurs in?
    Fallopian tube
  30. Implantation occurs in?
    Uterus
  31. DNA replication occurs in?
    S-phase
  32. Mendel is known for?
    Genetics
  33. Law of segregation?
    Alleles separate
  34. Law of independent assortment?
    Traits inherit independently
  35. Blood clotting requires?
    Calcium
  36. Vitamin D helps in?
    Calcium absorption
  37. Vitamin C deficiency?
    Scurvy
  38. Vitamin A deficiency?
    Night blindness
  39. AIDS caused by?
    HIV
  40. Tuberculosis caused by?
    Mycobacterium
  41. Vaccine provides?
    Immunity
  42. Antibody produced by?
    B-lymphocytes
  43. Evolution theory by?
    Darwin
  44. Natural selection means?
    Survival of fittest
  45. Ecosystem includes?
    Biotic + Abiotic components

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