Note: General Science Solved Past Papers MCQs Set-1 comprises 100 important Physics, Biology and Chemistry MCQs. These MCQs are taken from different Past Papers and helpful in MDCAT, ETEA and different Medical related posts.
Physics Mcqs
1. From the following remains constant while throwing a ball upward?
A. Displacement
B. Acceleration
C. Velocity
D. Kinetic Energy
Answer
Correct Answer: B. Acceleration
2. Pure Water freezes at the temperature of?
A. 32 F
B. 0 F
C. 47 F
D. 18 F
Answer
Correct Answer: A. 32 F
3. Zinc Oxide is?
A. Acidic
B. Basic
C. Amphoteric
D. Neutral
Answer
Correct Answer: C. Amphoteric
4. From the following is not true about LASER?
A. The emitted LASER light is notable for its high degree of dispersive power unattainable using other technologies
B. A Laser is a device that emits light through a process of optical amplification
C. A Laser beams can be focused to very tiny spots achieving a very high irradiance
D. A Laser light is used in bar code scanners
Answer
Correct Answer: A. The emitted LASER light is notable for its high degree of dispersive power unattainable using other technologies
5. If a car is moving and turn its speed for 3.3times what will be the impact on its kinetic energy?
A. 9.89 Times
B. 10.89 Times
C. 8.80 Times
D. 10.50 Times
Answer
Correct Answer: B. 10.89 times
6. The degree of hotness or coldness of an object is expressed in terms of:
A. Heat Capacity
B. Heat
C. Heat Energy
D. Temperature
Answer
Correct Answer: D. Temperature
7. Which of the following properties of matter is used in the construction of a thermometer?
A. Expansion of matter on heating
B. Change of color with temperature
C. Increase of resistance with rising of temperature
D. All of these
Answer
Correct Answer: A. Expansion of matter on heating
8. Mercury is used in mercury-in-glass thermometer as a thermometric substance because:
A. It does not wet the capillary tube walls
B. It is opaque
C. Its expansion is uniform over a wide range of temperature
D. All of the above
Answer
Correct Answer: D. All of the above
9. Which thermometric property is used in Liquid in glass thermometers?
A. Color Change on Heating
B. Resistance Change on Heating
C. Thermal Expansion
D. None of these
Answer
Correct Answer: C. Thermal Expansion
10. A Centigrade degree is greater than Fahrenheit by?
A. 9/5
B. 5/9
C. 17/5
D. 18/8
Answer
Correct Answer: A. 9/5
11. The lower and upper fixed points on Celsius (centigrade) scale are taken to be:
A. 0° and 212 °
B. 0° and 100°
C. 32° and 273°
D. None of these
Answer
Correct Answer: B. 0° and 100°
12. The temperature scales Centigrade and Fahrenheit have the same reading at:
A. 140°
B. -43°
C. -40°
D. 50°
Answer
Correct Answer: C. -40°
13. The normal temperature of the human body is 37 C°. On Kelvin scale, it is equal to:
A. 373 K
B. 273 K
C. 310 K
D. 236 K
Answer
Correct Answer: C. 310 K
14. One degree of temperature scale centigrade (Celsius) is equal to Fahrenheit?
A. 1° of Fahrenheit
B. 1.8° of Fahrenheit
C. 32° of Fahrenheit
D. 3.5° of Fahrenheit
Answer
Correct Answer: B. 1.8° of Fahrenheit
15. Which of the following temperature on the Fahrenheit scale corresponds to absolute zero?
A. 212° F
B. 60°F
C. -450° F
D. -460° F
Answer
Correct Answer: D. -460° F
16. Absolute zero is considered to be the temperature at which:
A. All gases become liquids
B. Water freezes
C. Molecular motion in gases would cease
D. All liquids become gases
Answer
Correct Answer: A. All gases become liquids
17. The temperature scales Kelvin and Fahrenheit show the same reading at what temperature?
A. -57.37°
B. 5.74.20°
C. 574.25 °
D. -574.25°
Answer
Correct Answer: C. 574.25 °
18. The average K.E of all the molecules in a substance is a measure of the following?
A. Boiling Point
B. Heat Energy
C. Temperature
D. Specific Heat
Answer
Correct Answer: C. Temperature
19. The SI unit of Capacitance is?
A. Newton
B. Farad
C. Joule
D. Capability
Answer
Correct Answer: B. Farad
20. Concept of electric field theory was introduced by which of the following Scientists?
A. Dalton
B. Michael Faraday
C. Kepler
D. Nelson Mandela
Answer
Correct Answer: B. Michael Faraday
21. Which of the following law governs the force between electric charges is called?
A. Ampere’s law
B. Coulomb’s law
C. Newton’s law
D. Ohm’s law
Answer
Correct Answer: B. Coulomb’s law
22. When the distance between two charged particles is halved, the force between them becomes:
A. One – Half
B. Four Times
C. Double
D. Remain Same
Answer
Correct Answer: B. Four Times
23. An electric field can deflect:
A. X-rays
B. Neutrons
C. Alpha-particles
D. Gama-rays
Answer
Correct Answer: C. Alpha-particles
24. If an electron has an initial velocity in a direction different from that of an electric field, the path of the electron is:
A. A parabola
B. An ellipse
C. A Circle
D. A straight line
Answer
Correct Answer: A. A parabola
25. The rate of flow of Electric charge through the surface is known as?
A. Charge
B. Electric Current
C. Power
D. Voltage
Answer
Correct Answer: B. Electric Current
26. Current per unit area is called?
A. Current density
B. Electric charge
C. Potential difference
D. Resistance
Answer
Correct Answer: A. Current density
27. The temperature at which the value of resistivity falls to zero is called?
A. Lowest temperature
B. Zero temperature
C. Critical temperature
D. Absolute zero temperature
Answer
Correct Answer: C. Critical temperature
28. As the charge flows through the conductor energy is dissipated in the form of:
A. Light
B. Heat
C. Solar energy
D. None of these
Answer
Correct Answer: B. Heat
29. Which of the following substance will be most suitable for the Transformer core?
A. Soft iron
B. Nickel
C. Steal
D. Copper
Answer
Correct Answer: A. Soft iron
30. The SI unit of magnetic induction is?
A. Webber
B. Webber per meter
C. Henry
D. Tesla
Answer
Correct Answer: D. Tesla
Biology Mcqs
31. Digestion in man occurs in which of the following?
A. Oral Cavity
B. Small Intestine
C. Stomach
D. All of these
Answer
Correct Answer: D. All of these
32. Most obvious functions of the oral cavity are:
A. Selection of Food
B. Mastication
C. Digestion
D. All of these
Answer
Correct Answer: D. All of these
33. The structure in the mouth that prevents food from entering the windpipe is the:
A. Soft Plate
B. Epiglottis
C. Tongue
D. Pharynx
Answer
Correct Answer: B. Epiglottis
34. Parotid salivary glands are present in:
A. Behind the jaws
B. Below the tongue
C. In front of Ears
D. In the nasal cavity
Answer
Correct Answer: C. In front of Ears
35. Oral cavity in man is aided in the selection of food by which of the following the senses?
A. Taste
B. Smell
C. Sight
D. All of these
Answer
Correct Answer: D. All of these
36. Which of the following is a function of saliva?
A. Lubrication of Food
B. Digestion of Food
C. Absorption of Food
D. Both A & B
ANswer
Correct Answer: D. Both A & B
37. As a result of mastication the softened partly digested slimy food is rolled into small oval lumps called:
A. Swallows
B. Bolus
C. Bowls
D. Loaves
Answer
Correct Answer: B. Bolus
38. The beginning of the swallowing action is:
A. Voluntary
B. Involuntary
C. Automatic
D. Reflex Action
Answer
Correct Answer: A. Voluntary
39. The opening of the windpipe during swallowing is close by:
A. Larynx
B. Glottis
C. Epiglottis
D. Palate
Answer
Correct Answer: C. Epiglottis
40. Hunger Contractions are:
A. Peristaltic Contractions
B. Peristaltic Relaxation
C. Ant peristaltic Movements
D. None of these
Answer
Correct Answer: A. Peristaltic Contractions
41. Hunger Contractions are peristaltic contractions that are increased by:
A. Low Blood Glucose Levels
B. Secretion of Gastric Juice
C. High Blood Glucose Levels
D. All of these
Answer
Correct Asnwer: B. Secretion of Gastric Juice
42. Which of the following stomach layer is known as Mucosa?
A. Outer Layer
B. Middle Layer
C. Inner Layer
D. All of these
Answer
Correct Answer: C. Inner Layer
43. Which type of mucosa cells secretes Pepsinogen?
A. Oxyntic
B. Zymogens
C. Mucous
D. Gastric
Answer
Correct Answer: B. Zymogens
44. Which of the following stimulate the secretion of gastric glands?
A. Secretin
B. Bile
C. Gastric
D. Pancreatic
Answer
Correct Answer: C. Gastric
45. The structure in the mouth that prevents food from entering the nasal cavities?
A. Epiglottis
B. Soft Plate
C. Tongue
D. Pharynx
Answer
Correct Answer: B. Soft Plate
46. A large gland whose exocrine tissues secrete a juice that flows through the pancreatic duct into the duodenum?
A. Liver
B. Gall Bladder
C. Ileum
D. Pancreas
Answer
Correct Answer: D. Pancreas
47. Hepatic and pancreatic secretion is stimulated by a hormone called:
A. Zymogen
B. Oxyntic
C. Secretin
D. Gastrin
Answer
Correct Answer: C. Secretin
48. Pancreatic amylase is also known as:
A. Secretin
B. Gastrin
C. Amylopsin
D. Lipase
Answer
Correct Answer: C. Amylopsin
49. An enzyme contained in the pancreatic juice that splits protein into peptones and polypeptides?
A. Amylopsin
B. Trypsin
C. Pepsin
D. Trypsin
Answer
Correct Answer: B. Trypsin
50. Which of the following does not contain enzymes but is helpful indigestion?
A. Bile
B. Gastric Juice
C. Pancreatic Juice
D. Intestinal Juice
Answer
Correct Answer: A. Bile
51. Jaundice is caused by:
A. Precipitation of cholesterol in gall Bladder
B. Accumulation of bile pigments in the blood
C. Laceration or Liver rupture
D. Heart Malfunctioning
Answer
Correct Answer: B. Accumulation of bile pigments in blood
52. Smoking Spicy food alcoholic beverage coffee tea and stress lead to?
A. Piles
B. Hemorrhoid
C. Botulism
D. Ulcer
Answer
Correct Answer: D. Ulcer
53. Which of the following causes Serum Electrolyte imbalance?
A. Dyspepsia
B. Botulism
C. Bulimia Nervosa
D. Anorexia Nervosa
Answer
Correct Answer: A. Dyspepsia
54. The masses of dilated tortuous veins in anorectal mucosa that may sometimes start bleeding during bowel movements refer to:
A. Botulism
B. Ulcer
C. Dyspepsia
D. Piles
Answer
Correct Answer: D. Piles
55. Abdominal pain, vomiting, and diarrhea all are symptoms of:
A. Obesity
B. Food Poisoning
C. Bulimia Nervosa
D. Anorexia Nervosa
Answer
Correct Answer: B. Food Poisoning
56. The lower three-fifth of the small intestine from the jejunum is:
A. Duodenum
B. Pancreas
C. Liver
D. Ileum
Answer
Correct Answer: D. Ileum
57. Maltase enzyme converts the maltose into?
A. Lactose
B. Sucrose
C. Glucose
D. Sucrose
Answer
Correct Answer: C. Glucose
58. A sphincter muscle present at the end of the Ileum is called:
A. Cardiac Sphincter
B. lleocolic Sphincter
C. Pyloric Sphincter
D. Anal Sphincter
Answer
Correct Answer: B. lleocolic Sphincter
59. Which of the following is the cause of Diarrhea?
A. Infection
B. Emotional Disturbance
C. Drug Action
D. All of these
Answer
Correct Ansswer: D. All of these
60. In which of the following part of the small intestine does the absorption of the products of digestion take place?
A. Duodenum
B. Jejunum
C. Ileum
D. None of these
Answer
Correct Answer: C. Ileum
61. The osmosis of water into the cells results in?
A. Extracellular Oedema
B. Intracellular Oedema
C. Both a & b
D. None of these
Answer
Correct Answer: B. Intracellular Oedema
62. The first pair of Arteries that arise from the aorta is:
A. Iliac Veins
B. Coronary Veins
C. Renal Arteries
D. Hepatic portal vein
Answer
Correct Answer: B. Coronary Veins
63. The blood vessels with walls that are only one cell thick are:
A. Arteries
B. Veins
C. Venules
D. Capillaries
Answer
Correct Answer: D. Capillaries
64. Antibodies are manufactured in?
A. Thymus
B. B-Lymphocytes
C. T-Lymphocytes
D. None of these
Answer
Correct Answer: B. B-Lymphocytes
65. In humans Lymph codes are present in:
A. Neck Region
B. Axilla
C. Groin
D. All of these
Answer
Correct Answer: D. All of these
66. Congestive heart failure is because of retention of blood in:
A. Lungs
B. Liver
C. Heart
D. Both A & C
Answer
Correct Answer: D. Both A & C
67. ULTRASOUND is used instead of X-rays because x-rays can damage which type of cells?
A. Damage the Vessels
B. Damage Body Cells
C. Damage Brain Cells
D. Stimulate the growth of cancer cells
Answer
Correct Answer: B. Demage Body Cells
68. Which of the following help to body to repair and build up tissues and muscles?
A. Carbohydrates
B. Vitamins
C. Proteins
D. Calcium
Answer
Correct Answer: C. Proteins
69. Which of the following is not a Reptile?
A. Lizard
B. Salamander
C. Turtle
D. Snake
Answer
Correct Answer: B. Salamander
70. The Ostrich is the largest egg laying bird it’s an egg weights in Kg?
A. 2 Kg
B. 2.5 kg
C. 1.5 kg
D. 3.1 Kg
Answer
Correct Answer: C. 1.5 kg
Chemistry Mcqs
71. Considering the physical properties of the gases which of the following statements about particles of gas are not true?
A. Randomly moving
B. Orderly Arranged
C. Having Wide Spaces
D. Causing Pressure
Answer
Correct Answer: B. Orderly Arranged
72. As gases can adopt the shape of the container so they have?
A. Fixed Shape
B. Not Fixed Shape
C. Different Shape
D. Definite Shape
Answer
Correct Answer: B. Not Fixed Shape
73. Which of the following is not a property of Cathode Rays?
A. They can produce x-rays when they strike a heavy metal anode
B. They can cause reduction reaction
C. They produce fluorescence in rare earth and minerals
D. They Comprises neutral particles
Answer
Correct Answer: D. They Comprises neutral particles
74. Which of the following is not a Sub-Atomic particle?
A. Electron
B. Deuteron
C. Proton
D. Neutron
Answer
CorrectAnswer: B. Deuteron
75. Which of the following is not Charges particle?
A. Proton
B. Electron
C. Neutron
D. Hydrogen Nucleus
Answer
Correct Answer: C. Neutron
76. The Radius of first orbit of Hydrogen Atom is?
A. 0.529 A°
B. 0.329 A°
C. 0.429 A°
D. 0.229 A°
Answer
Correct Answer: A. 0.529 A°
77. The Charge of an electron is determined by?
A. J.J Thomson
B. Crooks
C. Perrin
D. R.A Millikan
Answer
Correct Answer: D. R.A Millikan
78. In the ground state of an atom the electron is present?
A. In the Nucleus
B. In the Second Shell
C. Nearest to the Nucleus
D. Farthest From the Nucleus
Answer
Correct Answer: C. Nearest to the Nucleus
79. Orbital having same energy is called?
A. Hybird Orbital
B. Valence Orbital
C. Degenerate Orbital
D. d-orbital
Answer
Correct Answer: C. Degenerate Orbita
80. In Millikan method oil droplet falls under the force of gravity but it moves upward due to?
A. Electric Field
B. Magnetic Field
C. Incident Light
D. X-Rays
Answer
Correct Answer: A. Electric Field
81. Cathode rays emitted from cathode are?
A. Canal Rays
B. Protons
C. Electrons
D. Positrons
Answer
Correct Answer: C. Electrons
82. Charge to mass ratio (e/m) of the electron is determined by?
A. R.A Millikan
B. J.J Thompson
C. G.J Stoney
D. None of these
Answer
Correct Answer: A. R.A Millikan
83. Neutron was discovered by?
A. Mosley
B. Millikan
C. Chadwick
D. Rutherford
Answer
Correct Answer: C. Chadwick
84. Protons of yellow color are ____ energetic than violet color?
A. More
B. Less
C. Equal
D. None of these
Answer
Correct Answer: B. Less
85. When the electron jumps from Second third, fourth orbit to the first orbit the transition are known as?
A. Balmer Series
B. Lyman Series
C. Pfund Series
D. Brackett Series
Answer
Correct Answer: B. Lyman Series
86. The most commonly used unit to measure the dipole moment is?
A. Debye
B. SI
C. Both a & b
D. None of these
Answer
Correct Answer: A. Debye
87. Predict shape of Ethanal HCHO molecule on the basis of VSEPR Theory?
A. Linear
B. Trigonal Planar
C. Pyramidal
D. Tetrahedral
Answer
Correct Answer: B. Trigonal Planar
88. Which of the following is not planar molecule?
A. BF3
B. C2F4
C. C3H6
D. HCN
Answer
Correct Answer: C. C3H6
89. A substance conducts electricity both in solid and in liquid form, has a melting point greater than 1000°. What could it be?
A. Nacl
B. MgCl2
C. Cu
D. AlCl3
Answer
Correct Answer: C. Cu
90. Predict the bond angels present in SO2 molecule?
A. 120°
B. Less than 120°
C. 109.5
D. 107
Answer
Correct Answer: B. Less than 120°
91. Thermo chemistry is the study of chemical reaction accompanying?
A. Heat Change
B. Rate Change
C. Mass Change
D. Volume Change
Answer
Correct Answer: A. Heat Change
92. When a bond breaks which of the following occurs?
A. Heat is Evolved
B. Heat is Absorbed
C. No change in heat contents takes place
D. Temperature Increases
Answer
Correct Answer: B. Heat is Absorbed
93. A reaction in which heat is given out is?
A. An Endothermic Reaction
B. An Exothermic Reaction
C. A Thermo chemical Reaction
D. An Energetic Reaction
Answer
Correct Answer: B. An Exothermic Reaction
94. According to SI-system heat contains are measured in units of?
A. Calorie
B. Joules
C. Ergs
D. Watts
Answer
Correct Answer: B. Joules
95. Which of the following is not a state function?
A. Pressure
B. Temperature
C. Enthalpy
D. Amount of Substance
Answer
Correct Answer: D. Amount of Substance
96. The heat contents of all the elements in their standard states are taken to be?
A. 1
B. 0
C. 2
D. 4
Answer
Correct Answer:B. 0
97. Which of the following property depends on the state of system?
A. Enthalpy
B. Free Energy
C. Entropy
D. All of these
Answer
Correct Answer: D. All of these
98. A Calorimeter is an apparatus used for the measurement of?
A. Heat of Reaction
B. Heat of Combustion
C. Heat of Formation
D. Heat of Vaporization
Answer
Correct Answer: A. Heat of Reaction
99. The heat Content of system is known as?
A. Internal Energy
B. Enthalpy
C. Entropy
D. None of these
Answer
Correct Answer: B. Enthalpy
100. Which of the following is not an exothermic reaction?
A. Respiration
B. Dissolution of NaoH in water
C. Vaporisation
D. Freezing
Answer
Correct Answer: C. Vaporisation
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