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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