अगर आप NEST Exam की तैयारी कर रहे हैं और यह समझना चाहते हैं कि परीक्षा में किस तरह के सवाल पूछे जाते हैं, तो NEST Exam PYQ आपके लिए सबसे भरोसेमंद संसाधन हैं। Previous Year Questions से आपको न सिर्फ exam pattern समझ आता है, बल्कि यह भी पता चलता है कि Physics, Chemistry, Mathematics और Biology में किन टॉपिक्स से बार-बार सवाल आते हैं।
इस पोस्ट में हम NEST exam previous year questions को सही तरीके से समझने, उन्हें practice में इस्तेमाल करने और अपनी preparation को strong बनाने के बारे में बात करेंगे। यह कंटेंट खास तौर पर उन students के लिए है जो कम समय में smart preparation करना चाहते हैं और top institutes में admission का सपना देख रहे हैं।
NEST Exam PYQ: Subject Wise Previous Year Questions
Q1. In Young’s double slit experiment, fringe width depends on:
- A. Intensity of light
- B. Wavelength of light
- C. Amplitude of light
- D. Distance of source
Answer: B
Q2. The SI unit of electric flux is:
- A. N m²/C
- B. N/C
- C. C/m²
- D. Volt
Answer: A
Q3. The hybridization of carbon in ethyne (C₂H₂) is:
- A. sp³
- B. sp²
- C. sp
- D. dsp²
Answer: C
Q4. Which of the following is a strong electrolyte?
- A. CH₃COOH
- B. NH₄OH
- C. NaCl
- D. Glucose
Answer: C
Q5. The derivative of sin x with respect to x is:
- A. cos x
- B. –cos x
- C. –sin x
- D. tan x
Answer: A
Q6. If |A| = 0, then matrix A is:
- A. Identity matrix
- B. Singular matrix
- C. Symmetric matrix
- D. Orthogonal matrix
Answer: B
Q7. Which organelle is known as the powerhouse of the cell?
- A. Ribosome
- B. Mitochondria
- C. Golgi body
- D. Nucleus
Answer: B
Q8. The functional unit of kidney is:
- A. Neuron
- B. Nephron
- C. Alveoli
- D. Axon
Answer: B
Q9. Which law states that induced emf opposes the cause producing it?
- A. Ohm’s Law
- B. Faraday’s Law
- C. Lenz’s Law
- D. Coulomb’s Law
Answer: C
Q10. Dimensional formula of Planck’s constant is:
- A. ML²T⁻¹
- B. ML²T⁻²
- C. ML²T
- D. MLT⁻¹
Answer: A
Q11. Which quantum number determines the shape of an orbital?
- A. Principal quantum number
- B. Azimuthal quantum number
- C. Magnetic quantum number
- D. Spin quantum number
Answer: B
Q12. pH of pure water at 25°C is:
- A. 5
- B. 6
- C. 7
- D. 8
Answer: C
Q13. The value of ∫₀¹ x dx is:
- A. 1
- B. 1/2
- C. 1/3
- D. 2
Answer: B
Q14. If the roots of a quadratic equation are equal, then its discriminant is:
- A. Positive
- B. Negative
- C. Zero
- D. Infinite
Answer: C
Q15. Which hormone regulates blood sugar level?
- A. Thyroxine
- B. Insulin
- C. Adrenaline
- D. Estrogen
Answer: B
Q16. Photosynthesis occurs in which part of the cell?
- A. Mitochondria
- B. Ribosome
- C. Chloroplast
- D. Nucleus
Answer: C
Q17. The speed of light in vacuum is approximately:
- A. 3 × 10⁶ m/s
- B. 3 × 10⁷ m/s
- C. 3 × 10⁸ m/s
- D. 3 × 10⁹ m/s
Answer: C
Q18. Which gas is released during photosynthesis?
- A. Carbon dioxide
- B. Oxygen
- C. Nitrogen
- D. Hydrogen
Answer: B
Q19. The value of acceleration due to gravity on Earth is approximately:
- A. 8.9 m/s²
- B. 9.8 m/s²
- C. 10.8 m/s²
- D. 11.8 m/s²
Answer: B
Q20. Which of the following is a vector quantity?
- A. Speed
- B. Mass
- C. Velocity
- D. Time
Answer: C
Q21. Which acid is present in lemon?
- A. Acetic acid
- B. Citric acid
- C. Lactic acid
- D. Oxalic acid
Answer: B
Q22. The square root of 144 is:
- A. 10
- B. 11
- C. 12
- D. 14
Answer: C
Q23. The unit of frequency is:
- A. Joule
- B. Hertz
- C. Watt
- D. Coulomb
Answer: B
Q24. Which mirror is used as a rear-view mirror in vehicles?
- A. Concave mirror
- B. Convex mirror
- C. Plane mirror
- D. Cylindrical mirror
Answer: B
Q25. The atomic number of carbon is:
- A. 4
- B. 6
- C. 8
- D. 12
Answer: B
Q26. Which organ in the human body filters blood?
- A. Liver
- B. Heart
- C. Kidney
- D. Lungs
Answer: C
Q27. If a = 5 and b = 3, then a² − b² equals:
- A. 8
- B. 12
- C. 16
- D. 25
Answer: B
Q28. Which part of the plant conducts water?
- A. Phloem
- B. Xylem
- C. Cortex
- D. Cambium
Answer: B
Q29. Ohm’s law is given by:
- A. V = IR
- B. P = VI
- C. E = mc²
- D. F = ma
Answer: A
Q30. Which vitamin is produced in the skin in presence of sunlight?
- A. Vitamin A
- B. Vitamin B
- C. Vitamin C
- D. Vitamin D
Answer: D
Q31. The value of π (pi) is approximately:
- A. 2.14
- B. 2.72
- C. 3.14
- D. 3.41
Answer: C
Q32. Which gas is most abundant in Earth’s atmosphere?
- A. Oxygen
- B. Carbon dioxide
- C. Nitrogen
- D. Hydrogen
Answer: C
Q33. The SI unit of electric current is:
- A. Volt
- B. Ampere
- C. Ohm
- D. Watt
Answer: B
Q34. Which blood cells help in clotting of blood?
- A. RBC
- B. WBC
- C. Platelets
- D. Plasma
Answer: C
Q35. The chemical formula of common salt is:
- A. Na₂CO₃
- B. NaHCO₃
- C. NaCl
- D. KCl
Answer: C
Q36. The slope of a distance–time graph represents:
- A. Speed
- B. Acceleration
- C. Distance
- D. Time
Answer: A
Q37. Which part of the brain controls balance and posture?
- A. Cerebrum
- B. Cerebellum
- C. Medulla
- D. Hypothalamus
Answer: B
Q38. If x + 3 = 7, then x equals:
- A. 2
- B. 3
- C. 4
- D. 5
Answer: C
Q39. Which metal is liquid at room temperature?
- A. Iron
- B. Mercury
- C. Copper
- D. Aluminium
Answer: B
Q40. The smallest unit of life is:
- A. Tissue
- B. Cell
- C. Organ
- D. Atom
Answer: B
Q41. The value of 7 × 8 is:
- A. 54
- B. 56
- C. 58
- D. 64
Answer: B
Q42. Which gas is used in fire extinguishers?
- A. Oxygen
- B. Nitrogen
- C. Carbon dioxide
- D. Hydrogen
Answer: C
Q43. The instrument used to measure atmospheric pressure is:
- A. Thermometer
- B. Barometer
- C. Hygrometer
- D. Anemometer
Answer: B
Q44. Which law states that for every action there is an equal and opposite reaction?
- A. Newton’s First Law
- B. Newton’s Second Law
- C. Newton’s Third Law
- D. Law of Gravitation
Answer: C
Q45. The pH value of a neutral solution is:
- A. 0
- B. 5
- C. 7
- D. 14
Answer: C
Q46. Which organ helps in pumping blood throughout the human body?
- A. Brain
- B. Lungs
- C. Heart
- D. Kidney
Answer: C
Q47. The value of |−5| is:
- A. −5
- B. 0
- C. 5
- D. −10
Answer: C
Q48. Which part of the flower develops into fruit?
- A. Sepal
- B. Petal
- C. Ovary
- D. Stamen
Answer: C
Q49. The SI unit of work is:
- A. Watt
- B. Joule
- C. Newton
- D. Pascal
Answer: B
Q50. Which vitamin is known as the “sunshine vitamin”?
- A. Vitamin A
- B. Vitamin B
- C. Vitamin C
- D. Vitamin D
Answer: D
Q51. The sum of angles of a triangle is:
- A. 90°
- B. 180°
- C. 270°
- D. 360°
Answer: B
Q52. Which gas is essential for respiration?
- A. Carbon dioxide
- B. Nitrogen
- C. Oxygen
- D. Hydrogen
Answer: C
Q53. The device used to measure electric current is:
- A. Voltmeter
- B. Ammeter
- C. Galvanometer
- D. Potentiometer
Answer: B
Q54. Which organelle is called the “control center” of the cell?
- A. Mitochondria
- B. Ribosome
- C. Nucleus
- D. Golgi apparatus
Answer: C
Q55. The chemical symbol of potassium is:
- A. K
- B. P
- C. Pt
- D. Pb
Answer: A
Q56. The speed of a body is defined as:
- A. Distance per unit time
- B. Displacement per unit time
- C. Force per unit mass
- D. Work per unit time
Answer: A
Q57. Which part of the human eye controls the amount of light entering?
- A. Retina
- B. Cornea
- C. Iris
- D. Lens
Answer: C
Q58. The value of 15% of 200 is:
- A. 20
- B. 25
- C. 30
- D. 35
Answer: C
Q59. Which gas is commonly known as laughing gas?
- A. Nitrogen
- B. Nitrous oxide
- C. Carbon monoxide
- D. Sulphur dioxide
Answer: B
Q60. The functional unit of the nervous system is:
- A. Neuron
- B. Brain
- C. Spinal cord
- D. Synapse
Answer: A
Q61. The value of √81 is:
- A. 7
- B. 8
- C. 9
- D. 10
Answer: C
Q62. Which gas is used by plants during photosynthesis?
- A. Oxygen
- B. Nitrogen
- C. Carbon dioxide
- D. Hydrogen
Answer: C
Q63. The SI unit of power is:
- A. Joule
- B. Newton
- C. Watt
- D. Pascal
Answer: C
Q64. Which part of the plant is responsible for transpiration?
- A. Root
- B. Stem
- C. Leaf
- D. Flower
Answer: C
Q65. The chemical formula of water is:
- A. H₂O
- B. H₂O₂
- C. HO₂
- D. H₃O
Answer: A
Q66. Which quantity has both magnitude and direction?
- A. Speed
- B. Distance
- C. Scalar
- D. Vector
Answer: D
Q67. Which vitamin helps in blood clotting?
- A. Vitamin A
- B. Vitamin B
- C. Vitamin C
- D. Vitamin K
Answer: D
Q68. The value of 9² is:
- A. 18
- B. 27
- C. 81
- D. 90
Answer: C
Q69. Which gas turns lime water milky?
- A. Oxygen
- B. Nitrogen
- C. Carbon dioxide
- D. Hydrogen
Answer: C
Q70. The basic unit of heredity is:
- A. Cell
- B. Chromosome
- C. Gene
- D. DNA
Answer: C
Q71. The perimeter of a square of side 4 cm is:
- A. 8 cm
- B. 12 cm
- C. 16 cm
- D. 20 cm
Answer: C
Q72. Which organ helps in breathing?
- A. Heart
- B. Liver
- C. Kidney
- D. Lungs
Answer: D
Q73. The SI unit of force is:
- A. Joule
- B. Newton
- C. Pascal
- D. Watt
Answer: B
Q74. Which part of the cell is responsible for protein synthesis?
- A. Mitochondria
- B. Ribosome
- C. Nucleus
- D. Lysosome
Answer: B
Q75. The chemical symbol of iron is:
- A. Ir
- B. Fe
- C. In
- D. F
Answer: B
Q76. A body is said to be in uniform motion if it covers equal distances in:
- A. Unequal intervals of time
- B. Equal intervals of time
- C. Zero time
- D. Infinite time
Answer: B
Q77. Which blood group is known as the universal donor?
- A. A
- B. B
- C. AB
- D. O
Answer: D
Q78. The value of 20% of 150 is:
- A. 20
- B. 25
- C. 30
- D. 35
Answer: C
Q79. Which gas is released during respiration?
- A. Oxygen
- B. Nitrogen
- C. Carbon dioxide
- D. Hydrogen
Answer: C
Q80. The longest bone in the human body is:
- A. Humerus
- B. Femur
- C. Tibia
- D. Radius
Answer: B
Q81. The value of 6³ is:
- A. 36
- B. 108
- C. 216
- D. 256
Answer: C
Q82. Which organ in plants prepares food?
- A. Root
- B. Stem
- C. Leaf
- D. Flower
Answer: C
Q83. The SI unit of pressure is:
- A. Bar
- B. Pascal
- C. Atmosphere
- D. Torr
Answer: B
Q84. Which part of the cell contains genetic material?
- A. Cytoplasm
- B. Mitochondria
- C. Nucleus
- D. Ribosome
Answer: C
Q85. The chemical symbol of sodium is:
- A. S
- B. So
- C. Na
- D. Sn
Answer: C
Q86. The rate of change of velocity is called:
- A. Speed
- B. Acceleration
- C. Momentum
- D. Force
Answer: B
Q87. Which gland is known as the master gland?
- A. Thyroid
- B. Adrenal
- C. Pituitary
- D. Pancreas
Answer: C
Q88. The value of 25% of 400 is:
- A. 50
- B. 75
- C. 100
- D. 125
Answer: C
Q89. Which gas is used for welding?
- A. Oxygen
- B. Acetylene
- C. Nitrogen
- D. Carbon dioxide
Answer: B
Q90. The largest organ in the human body is:
- A. Heart
- B. Liver
- C. Skin
- D. Lungs
Answer: C
Q91. The value of 12 × 12 is:
- A. 124
- B. 132
- C. 144
- D. 156
Answer: C
Q92. Which part of the plant absorbs water and minerals?
- A. Leaf
- B. Stem
- C. Root
- D. Flower
Answer: C
Q93. The SI unit of electric charge is:
- A. Ampere
- B. Coulomb
- C. Volt
- D. Ohm
Answer: B
Q94. Which organelle is responsible for respiration in a cell?
- A. Ribosome
- B. Nucleus
- C. Mitochondria
- D. Golgi apparatus
Answer: C
Q95. The chemical symbol of silver is:
- A. Si
- B. S
- C. Ag
- D. Au
Answer: C
Q96. The product of mass and velocity is called:
- A. Force
- B. Work
- C. Momentum
- D. Energy
Answer: C
Q97. Which part of the human body produces insulin?
- A. Liver
- B. Pancreas
- C. Kidney
- D. Stomach
Answer: B
Q98. The value of 40% of 250 is:
- A. 80
- B. 90
- C. 100
- D. 120
Answer: C
Q99. Which gas is filled in electric bulbs?
- A. Oxygen
- B. Nitrogen
- C. Hydrogen
- D. Carbon dioxide
Answer: B
Q100. The smallest bone in the human body is:
- A. Stapes
- B. Femur
- C. Ulna
- D. Tibia
Answer: A
Q101. The value of 5² + 3² is:
- A. 25
- B. 30
- C. 34
- D. 40
Answer: C
Q102. Which part of the plant protects the seed?
- A. Root
- B. Stem
- C. Fruit
- D. Leaf
Answer: C
Q103. The SI unit of energy is:
- A. Watt
- B. Joule
- C. Newton
- D. Pascal
Answer: B
Q104. Which part of the cell is known as the powerhouse?
- A. Nucleus
- B. Ribosome
- C. Mitochondria
- D. Golgi body
Answer: C
Q105. The chemical symbol of gold is:
- A. Ag
- B. Au
- C. Gd
- D. Go
Answer: B
Q106. The resistance of a conductor depends on:
- A. Length only
- B. Area only
- C. Material only
- D. Length, area and material
Answer: D
Q107. Which vitamin is essential for good eyesight?
- A. Vitamin A
- B. Vitamin B
- C. Vitamin C
- D. Vitamin D
Answer: A
Q108. The value of 18 ÷ 3 × 2 is:
- A. 3
- B. 6
- C. 12
- D. 18
Answer: D
Q109. Which gas is responsible for the greenhouse effect?
- A. Oxygen
- B. Nitrogen
- C. Carbon dioxide
- D. Hydrogen
Answer: C
Q110. The largest gland in the human body is:
- A. Pancreas
- B. Thyroid
- C. Liver
- D. Pituitary
Answer: C
Q111. The value of 14² is:
- A. 186
- B. 194
- C. 196
- D. 204
Answer: C
Q112. Which part of the plant helps in reproduction?
- A. Root
- B. Stem
- C. Leaf
- D. Flower
Answer: D
Q113. The speed of light in vacuum is approximately:
- A. 3 × 106 m/s
- B. 3 × 107 m/s
- C. 3 × 108 m/s
- D. 3 × 109 m/s
Answer: C
Q114. Which blood group is known as the universal donor?
- A. A
- B. B
- C. AB
- D. O
Answer: D
Q115. The pH value of pure water is:
- A. 5
- B. 6
- C. 7
- D. 8
Answer: C
Q116. Which planet is known as the Red Planet?
- A. Venus
- B. Mars
- C. Jupiter
- D. Saturn
Answer: B
Q117. The smallest unit of life is:
- A. Tissue
- B. Organ
- C. Cell
- D. Atom
Answer: C
Q118. Which metal is liquid at room temperature?
- A. Iron
- B. Mercury
- C. Sodium
- D. Aluminium
Answer: B
Q119. The formula of common salt is:
- A. NaCO₃
- B. NaHCO₃
- C. NaCl
- D. KCl
Answer: C
Q120. Which organ is responsible for pumping blood?
- A. Brain
- B. Lungs
- C. Heart
- D. Kidney
Answer: C
Q121. The unit of electric current is:
- A. Volt
- B. Ampere
- C. Ohm
- D. Watt
Answer: B
Q122. Which gas is essential for respiration?
- A. Nitrogen
- B. Hydrogen
- C. Oxygen
- D. Carbon dioxide
Answer: C
Q123. Which law states that current is directly proportional to voltage?
- A. Newton’s law
- B. Ohm’s law
- C. Faraday’s law
- D. Coulomb’s law
Answer: B
Q124. The main function of red blood cells is to:
- A. Fight infection
- B. Carry oxygen
- C. Help in digestion
- D. Control body temperature
Answer: B
Q125. Which vitamin helps in blood clotting?
- A. Vitamin A
- B. Vitamin B
- C. Vitamin C
- D. Vitamin K
Answer: D
Q126. The chemical formula of water is:
- A. H₂O
- B. CO₂
- C. O₂
- D. H₂O₂
Answer: A
Q127. Which part of the brain controls balance?
- A. Cerebrum
- B. Medulla
- C. Cerebellum
- D. Hypothalamus
Answer: C
Q128. Which instrument is used to measure temperature?
- A. Barometer
- B. Thermometer
- C. Hygrometer
- D. Ammeter
Answer: B
Q129. Which planet has the maximum number of moons?
- A. Earth
- B. Mars
- C. Jupiter
- D. Venus
Answer: C
Q130. The boiling point of water at sea level is:
- A. 90°C
- B. 95°C
- C. 100°C
- D. 110°C
Answer: C
Q131. Which force pulls objects towards the Earth?
- A. Magnetic force
- B. Electrostatic force
- C. Gravitational force
- D. Frictional force
Answer: C
Q132. The largest planet in our solar system is:
- A. Earth
- B. Mars
- C. Saturn
- D. Jupiter
Answer: D
Q133. Which device converts electrical energy into mechanical energy?
- A. Generator
- B. Electric motor
- C. Transformer
- D. Battery
Answer: B
Q134. The study of fungi is called:
- A. Botany
- B. Zoology
- C. Mycology
- D. Ecology
Answer: C
Q135. Which gas is used in fire extinguishers?
- A. Oxygen
- B. Nitrogen
- C. Carbon dioxide
- D. Hydrogen
Answer: C
Q136. The unit of frequency is:
- A. Newton
- B. Hertz
- C. Joule
- D. Pascal
Answer: B
Q137. Which blood vessels carry blood away from the heart?
- A. Veins
- B. Arteries
- C. Capillaries
- D. Venules
Answer: B
Q138. The hardest natural substance is:
- A. Gold
- B. Iron
- C. Diamond
- D. Quartz
Answer: C
Q139. Which organ filters blood in the human body?
- A. Liver
- B. Heart
- C. Kidney
- D. Lungs
Answer: C
Q140. The process by which plants make food is called:
- A. Respiration
- B. Transpiration
- C. Photosynthesis
- D. Germination
Answer: C
Q141. Which planet is known for its rings?
- A. Mars
- B. Jupiter
- C. Saturn
- D. Uranus
Answer: C
Q142. The SI unit of power is:
- A. Joule
- B. Watt
- C. Volt
- D. Ampere
Answer: B
Q143. Which phenomenon causes the bending of light?
- A. Reflection
- B. Refraction
- C. Diffraction
- D. Dispersion
Answer: B
Q144. Which hormone regulates blood sugar level?
- A. Thyroxine
- B. Insulin
- C. Adrenaline
- D. Estrogen
Answer: B
Q145. The chemical symbol of iron is:
- A. Ir
- B. In
- C. Fe
- D. Fi
Answer: C
Q146. Which part of the plant conducts water?
- A. Phloem
- B. Xylem
- C. Cortex
- D. Cambium
Answer: B
Q147. The unit of electric resistance is:
- A. Volt
- B. Ampere
- C. Ohm
- D. Watt
Answer: C
Q148. Which planet is closest to the Sun?
- A. Earth
- B. Venus
- C. Mercury
- D. Mars
Answer: C
Q149. Which disease is caused by deficiency of Vitamin C?
- A. Rickets
- B. Beriberi
- C. Scurvy
- D. Night blindness
Answer: C
Q150. Which organ is responsible for breathing?
- A. Heart
- B. Lungs
- C. Liver
- D. Brain
Answer: B
Q151. The SI unit of force is:
- A. Joule
- B. Watt
- C. Newton
- D. Pascal
Answer: C
Q152. Which gas is released during photosynthesis?
- A. Oxygen
- B. Carbon dioxide
- C. Nitrogen
- D. Hydrogen
Answer: A
Q153. Which instrument is used to measure electric current?
- A. Voltmeter
- B. Ammeter
- C. Galvanometer
- D. Ohmmeter
Answer: B
Q154. The study of plants is called:
- A. Zoology
- B. Botany
- C. Ecology
- D. Geology
Answer: B
Q155. Which metal is the best conductor of electricity?
- A. Copper
- B. Aluminium
- C. Silver
- D. Iron
Answer: C
Q156. Which part of the eye controls the amount of light entering?
- A. Retina
- B. Cornea
- C. Iris
- D. Lens
Answer: C
Q157. The unit of pressure is:
- A. Newton
- B. Joule
- C. Pascal
- D. Watt
Answer: C
Q158. Which planet is known as the Morning Star?
- A. Mars
- B. Jupiter
- C. Venus
- D. Mercury
Answer: C
Q159. Which gas is filled in electric bulbs?
- A. Oxygen
- B. Nitrogen
- C. Carbon dioxide
- D. Hydrogen
Answer: B
Q160. Which vitamin is produced in the human body by sunlight?
- A. Vitamin A
- B. Vitamin B
- C. Vitamin C
- D. Vitamin D
Answer: D
Q161. Which organ controls all the activities of the body?
- A. Heart
- B. Brain
- C. Liver
- D. Kidney
Answer: B
Q162. The SI unit of work is:
- A. Watt
- B. Newton
- C. Joule
- D. Pascal
Answer: C
NEST Exam में success पाने के लिए सिर्फ syllabus पढ़ना ही काफी नहीं है, बल्कि NEST exam PYQ को solve करना सबसे जरूरी step है। Previous year questions आपको exam की difficulty level, important chapters और question trend को clear तरीके से समझने में मदद करते हैं।
अगर आप नियमित रूप से PYQs practice करते हैं और अपनी mistakes को analyse करते हैं, तो आपकी accuracy और confidence दोनों बढ़ेंगे। सही strategy और लगातार अभ्यास के साथ NEST Exam crack करना बिल्कुल possible है। इस पोस्ट में दिए गए resources को follow करें और अपनी preparation को next level पर ले जाएँ।
