ECAT (Practice Test) FLP 2 Free Quiz

Navigator130 Q

Chemistry

Computer Science

English

Maths

Physics

Chemistry 30 MCQs

1. The smallest particle of an element that can take part in a chemical reaction is called:

A. Molecule B. Atom C. Ion D. Electron

2. The sum of protons and neutrons in an atom is called:

A. Mass number B. Atomic number C. Atomic mass D. Nucleon number

3. The e/m ratio of cathode rays was determined by:

A. J.J. Thomson B. Rutherford C. Millikan D. Bohr

4. The de Broglie wavelength of a particle is given by:

A. λ = h / p B. λ = p / h C. λ = h p D. λ = 1 / (h p)

5. The number of orbitals in a subshell is given by:

A. 2l + 1 B. 2n + 1 C. 2l - 1 D. 2n - 1

6. The shape of an s orbital is:

A. Spherical B. Dumbbell C. Complex D. Double dumbbell

7. The element with atomic number 24 is chromium. Its electron configuration is:

A. [Ar] 3d⁵ 4s¹ B. [Ar] 3d⁴ 4s² C. [Ar] 3d⁵ 4s² D. [Ar] 3d⁶ 4s¹

8. The quantum mechanical model of the atom uses:

A. Probability of finding electrons (electron cloud) B. Fixed orbits C. Planetary orbits D. Rings

9. The maximum number of electrons that can be accommodated in the f-subshell is:

A. 14 B. 10 C. 6 D. 2

10. The Pauli exclusion principle is related to the spin quantum number. It states that two electrons in the same orbital must have:

A. Opposite spins B. Same spins C. Different n D. Different l

11. The bond formed by the sharing of electrons between atoms is called:

A. Covalent bond B. Ionic bond C. Metallic bond D. Hydrogen bond

12. The bond angle in ammonia (NH₃) is approximately:

A. 107° B. 109.5° C. 104.5° D. 120°

13. The shape of BeCl₂ is:

A. Linear B. Bent C. Tetrahedral D. Trigonal planar

14. The shape of CH₄ is:

A. Tetrahedral B. Trigonal planar C. Linear D. Bent

15. The hydrogen bond is responsible for the anomalous properties of:

A. Water B. Methane C. Hydrogen sulfide D. Hydrogen chloride

16. The bond order in O₂ molecule is:

A. 2 B. 1 C. 3 D. 2.5

17. The number of lone pairs on central atom in XeF₆ is:

A. 1 B. 2 C. 3 D. 0

18. The equilibrium constant is temperature dependent. For an exothermic reaction, increasing temperature will:

A. Decrease K B. Increase K C. No change D. Increase or decrease depending on pressure

19. If the ionic product exceeds Ksp, precipitation will:

A. Occur B. Not occur C. Be at equilibrium D. Dissolve more

20. The base dissociation constant Kb is a measure of:

A. Base strength B. Acid strength C. Salt hydrolysis D. pH

21. A salt of a strong acid and weak base (e.g., ammonium chloride) will hydrolyze to give a solution that is:

A. Acidic B. Basic C. Neutral D. Amphoteric

22. The equilibrium constant Kp for a gaseous reaction is related to Kc by:

A. Kp = Kc (RT)^Δn B. Kp = Kc / (RT)^Δn C. Kp = Kc (RT) D. Kp = Kc

23. For the reaction H₂ + I₂ ⇌ 2HI, Δn = 0, so:

A. Kp = Kc B. Kp > Kc C. Kp < Kc D. No relation

24. The standard electrode potential (E°) of hydrogen electrode is arbitrarily assigned as:

A. 0.00 V B. 1.00 V C. -0.76 V D. 0.34 V

25. The cathode in a lead-acid battery is made of:

A. Lead dioxide (PbO₂) B. Lead (Pb) C. Lead sulfate D. Graphite

26. In a hydrogen fuel cell, the reaction at the cathode is:

A. O₂ + 4H⁺ + 4e⁻ → 2H₂O B. H₂ → 2H⁺ + 2e⁻ C. 2H⁺ + 2e⁻ → H₂ D. O₂ + 2H₂O + 4e⁻ → 4OH⁻

27. The term "oxidation" originally meant:

A. Addition of oxygen B. Loss of electrons C. Loss of hydrogen D. Gain of electrons

28. The oxidation number of hydrogen in most compounds is:

A. +1 B. -1 C. 0 D. +2

29. In electrolysis of aqueous NaCl, the product at cathode is:

A. H₂ B. Na C. Cl₂ D. O₂

30. The electrolysis of molten Al₂O₃ (Hall-Heroult process) produces:

A. Aluminium and oxygen B. Aluminium and chlorine C. Sodium and chlorine D. Magnesium and oxygen

Computer Science 30 MCQs

31. Computers help in scientific research by:

A. Analyzing data and simulations B. Only storing books C. Only making tea D. Only drawing pictures

32. Computers assist in weather forecasting by:

A. Processing satellite data B. Only watching the sky C. Only measuring temperature D. Only predicting rain

33. Columns in a database table are called:

A. Fields or attributes B. Records C. Rows D. Tuples

34. Registers in a CPU are:

A. Small, fast memory locations B. Large storage devices C. Input devices D. Output devices

35. Clock speed is measured in:

A. Hertz (Hz) B. Bytes C. Bits D. Watts

36. What is the decimal equivalent of binary 1010?

A. 10 B. 8 C. 12 D. 14

37. Which of these is a type of data structure?

A. Array B. Mouse C. Keyboard D. Monitor

38. Data communication refers to:

A. The transfer of data between devices B. The storage of data C. The processing of data D. The printing of data

39. Which normal form eliminates partial dependencies?

A. Second Normal Form (2NF) B. First Normal Form (1NF) C. Third Normal Form (3NF) D. Fourth Normal Form

40. Entity integrity means:

A. Every table has a primary key B. Foreign keys match C. Data types are correct D. No null values allowed

41. What is the result of: (5 > 3) || (10 > 20)?

A. true B. false C. error D. none

42. The main() function is:

A. The starting point of program execution B. Optional C. Used for calculations D. Defined in header files

43. What is the return type of the main() function if no return is specified?

A. int B. void C. float D. char

44. Which function sets the file pointer to the beginning of the file?

A. rewind() B. fseek() C. ftell() D. fgetpos()

45. How can a function receive an array in C?

A. As a pointer to the first element B. As a copy of the entire array C. As a parameter with size D. As a reference

46. What is the difference between the Internet and an intranet?

A. Internet is public; intranet is private B. Intranet is public; Internet is private C. They are the same D. Intranet is larger

47. Which of the following is the correct extension for a C source file?

A. .c B. .cpp C. .java D. .py

48. Which of these is a valid way to define an integer variable and initialize it to 5?

A. int x = 5; B. int x; x = 5; C. Both A and B D. None

49. What is the purpose of a firewall in a network?

A. To block unauthorized access B. To speed up data transfer C. To store data D. To connect devices

50. Which generation of computers used microprocessors?

A. Fourth generation B. Third generation C. Second generation D. First generation

51. Which of the following is application software?

A. Microsoft Word B. Windows C. Linux D. macOS

52. Which type of relationship is most common in Access?

A. One-to-many B. One-to-one C. Many-to-many D. None

53. What is a calculated field in a query?

A. A field that displays results of an expression B. A field stored in a table C. A field that is a primary key D. A field that is a foreign key

54. Which of the following is an input peripheral device?

A. Keyboard B. Monitor C. Printer D. Speaker

55. A joystick is primarily used for:

A. Gaming and flight simulations B. Typing C. Printing D. Scanning

56. What is a Trojan horse?

A. A malicious program disguised as legitimate software B. A type of antivirus C. A hardware device D. A firewall

57. What is a patent?

A. A legal right granting exclusive use of an invention B. A type of virus C. A software license D. A firewall

58. What is the main difference between a relative and an absolute reference?

A. Absolute references do not change when copied; relative references do B. Relative references do not change; absolute references do C. They are the same D. Absolute references are used only for functions

59. Which clause is used to sort query results?

A. ORDER BY B. GROUP BY C. HAVING D. WHERE

60. What is the purpose of the "Find and Replace" feature?

A. To locate and replace text B. To check spelling C. To insert images D. To change margins

English 10 MCQs

61. What are endorphins said to do?

A. Reduce stress and boost mood B. Increase stress C. Cause pain D. Weaken muscles

62. What is the meaning of "boost" as used in the passage?

A. Improve B. Decrease C. Destroy D. Ignore

63. Where does much plastic waste end up?

A. Oceans B. Mountains C. Deserts D. Forests

64. What does "maintaining" mean?

A. Keeping in good condition B. Ending C. Ignoring D. Ruining

65. What is the meaning of "encourage"?

A. Support and motivate B. Discourage C. Ignore D. Criticize

66. What does "mindfully" mean?

A. With awareness and care B. Carelessly C. Quickly D. Rarely

67. What is the benefit of renewable energy in the long run?

A. Saves money and reduces fossil fuel dependence B. Increases energy costs C. Creates more pollution D. Uses more fossil fuels

68. Which of the following is NOT mentioned as part of a healthy diet?

A. Processed snacks B. Whole grains C. Lean proteins D. Fruits

69. What does "diversity" mean?

A. Variety and differences B. Uniformity C. Sameness D. Monotony

70. What type of travel is mentioned as beneficial?

A. Both domestic and international B. Only international C. Only domestic D. Only long trips

Maths 30 MCQs

71. Simplify: 4x + 3y - 2x + 5y

A. 2x + 8y B. 6x + 8y C. 2x + 2y D. 6x + 2y

72. Factorize: x² - 9

A. (x+3)(x-3) B. (x+3)(x+3) C. (x-3)(x-3) D. x²-9

73. What is the sum of the roots of the equation x² - 5x + 6 = 0?

A. 5 B. -5 C. 6 D. -6

74. Find the distance between (1,1) and (4,5).

A. 5 B. 4 C. 3 D. 6

75. What is the distance between parallel lines y = 2x + 3 and y = 2x - 1?

A. 4/√5 B. 4 C. √5 D. 2

76. Find the distance between points (-1,-2) and (3,4).

A. √52 B. √20 C. √36 D. √72

77. What is the slope of the line passing through (2,3) and (2,7)?

A. Undefined B. 0 C. 4 D. 1

78. Find the derivative of f(x) = (x+1)(x-2).

A. 2x - 1 B. 2x + 1 C. 2x - 2 D. x - 1

79. Find the derivative of f(x) = sin x + cos x at x=0.

A. 1 B. 0 C. -1 D. 2

80. What is ∫ (3x² + 2x) dx?

A. x³ + x² + C B. 3x³/3 + 2x²/2 = x³ + x² + C C. 3x² + 2 + C D. x³ + 2x + C

81. What is ∫ (x² + 2x) dx from 0 to 2?

A. 20/3 B. 8 C. 10 D. 6

82. What is ∫ (1/(x²+1)) dx?

A. arctan x + C B. arcsin x + C C. arccos x + C D. ln(x²+1) + C

83. What is the intersection of sets A={1,2,3} and B={3,4,5}?

A. {3} B. {1,2,3,4,5} C. ∅ D. {1,2}

84. What is the solution to |x-2|=5?

A. 7 and -3 B. 7 and 3 C. -7 and 3 D. 7 and -3

85. Find the 15th term of sequence 5,10,15,20,...?

A. 75 B. 70 C. 80 D. 65

86. What is the sum of the first 5 terms of a G.P with a=3 and r=2?

A. 93 B. 48 C. 96 D. 45

87. What is the 6th term of G.P 2,4,8,16,...?

A. 64 B. 32 C. 128 D. 48

88. What is the sum of 1^2+2^2+3^2+4^2?

A. 30 B. 20 C. 40 D. 25

89. If P(A)=0.2, P(B)=0.5, and A and B are independent, what is P(A∩B)?

A. 0.1 B. 0.7 C. 0.3 D. 0.5

90. What is the probability of drawing an ace from a deck of cards?

A. 1/13 B. 4/52 C. 1/13 D. Both A and C

91. If a fair coin is tossed 3 times, what is the probability of getting exactly 1 head?

A. 3/8 B. 1/8 C. 3/4 D. 1/2

92. What is the probability of getting a number greater than 4 when rolling a die?

A. 1/3 B. 1/2 C. 1/6 D. 5/6

93. What is the probability of drawing a spade from a deck?

A. 1/4 B. 1/13 C. 13/52 D. Both A and C

94. What is the probability of drawing a black card from a deck?

A. 1/2 B. 1/4 C. 26/52 D. Both A and C

95. What is the value of sin(π/2)?

A. 1 B. 0 C. 1/2 D. √2/2

96. What is the value of cos(π)?

A. -1 B. 1 C. 0 D. 1/2

97. What is the scalar product of i and i?

A. 1 B. 0 C. -1 D. 2

98. What is the cross product of (1,0,0) and (0,0,1)?

A. (0,-1,0) B. (0,1,0) C. (1,0,0) D. (0,0,1)

99. What is the area of triangle with vertices (0,0), (3,0), (0,4)?

A. 6 B. 12 C. 3 D. 4

100. If A = (1,2,3), B = (4,5,6), what is A×B?

A. (-3,6,-3) B. (3,-6,3) C. (-3, -6, -3) D. (3,6,3)

Physics 30 MCQs

101. The resistance of an ammeter should be:

A. Very low B. Very high C. Infinite D. Zero

102. The force per unit length between two parallel wires separated by distance d carrying currents I₁ and I₂ is:

A. F/L = μ₀ I₁ I₂ / (2πd) B. F/L = μ₀ I₁ I₂ / (4πd) C. F/L = μ₀ I₁ I₂ / (2d) D. F/L = μ₀ I₁ I₂ / (πd²)

103. The magnetic field inside a solenoid of n turns per unit length carrying current I is:

A. B = μ₀ n I B. B = μ₀ n I / l C. B = μ₀ I / n D. B = μ₀ n² I

104. The magnetic field lines are:

A. Continuous closed loops B. Start at north pole and end at south C. Start at south and end at north D. Open curves

105. The value of universal gravitational constant G is:

A. 6.67 × 10⁻¹¹ N m²/kg² B. 6.67 × 10¹¹ C. 9.8 D. 6.67 × 10⁻¹⁹

106. If the distance between two masses is doubled, the gravitational force becomes:

A. One fourth B. Half C. Double D. Four times

107. Gravitational force is:

A. A conservative force B. A non-conservative force C. A frictional force D. Magnetic force

108. In an isobaric process, the pressure is:

A. Constant B. Increasing C. Decreasing D. Zero

109. In a cyclic process, the net change in internal energy is:

A. Zero B. Positive C. Negative D. Maximum

110. An object is in equilibrium when the net force acting on it is:

A. Zero B. Maximum C. Constant D. Changing

111. Kinetic energy is given by:

A. K = ½mv² B. K = mv² C. K = ½mv D. K = mgh

112. The work done by a centripetal force is:

A. Zero B. Positive C. Negative D. Maximum

113. The magnitude of the resultant of two vectors is minimum when the angle between them is:

A. 180° B. 0° C. 90° D. 45°

114. The direction (angle) of a vector with components A_x and A_y is:

A. tan⁻¹(A_y/A_x) B. tan⁻¹(A_x/A_y) C. sin⁻¹(A_y/A) D. cos⁻¹(A_x/A)

115. The photoelectric effect was explained by:

A. Einstein B. Planck C. Newton D. Bohr

116. The rest mass of a photon is:

A. Zero B. Equal to electron mass C. Equal to proton mass D. Infinite

117. The uncertainty principle was proposed by:

A. Heisenberg B. Schrodinger C. Bohr D. Einstein

118. The product of uncertainty in position and momentum is at least:

A. h/4π B. h/2π C. h D. ℏ

119. The focal length of a spherical mirror is related to its radius of curvature by:

A. f = R/2 B. f = R C. f = 2R D. f = R/4

120. A concave lens is also called:

A. Diverging lens B. Converging lens C. Convex lens D. Plano lens

121. In Young's double slit experiment, the fringe width is given by:

A. β = λD/d B. β = λd/D C. β = λD D. β = d/λD

122. The relation between angular velocity ω and frequency f is:

A. ω = 2πf B. ω = 2π/f C. ω = f/2π D. ω = 2πf²

123. The angular displacement in radians for one complete revolution is:

A. 2π rad B. π rad C. 2 rad D. 1 rad

124. In rolling motion without slipping, the condition relating linear velocity v and angular velocity ω is:

A. v = ω r B. v = r/ω C. v = ω/r D. v = ω r²

125. The speed of sound in air at room temperature is approximately:

A. 343 m/s B. 3 × 10⁸ m/s C. 1500 m/s D. 340 km/h

126. The quality (timbre) of a sound is determined by its:

A. Harmonic content (overtones) B. Fundamental frequency C. Amplitude D. Speed

127. The gravitational potential energy near Earth's surface is given by:

A. U = mgh B. U = ½ mgh C. U = mg/h D. U = gh

128. If the speed of a body is doubled, its kinetic energy becomes:

A. Four times B. Double C. Half D. Same

129. The efficiency of a machine is defined as:

A. Useful output / input × 100% B. Input / output × 100% C. Output power / input power D. Both A and C

130. In a potentiometer experiment, a cell of EMF 1.5V balances at 60cm. Another cell balances at 40cm on the same potentiometer. What is the EMF of the second cell?

A. 0.5V B. 0.8V C. 0.9V D. 1.0V

For Daily Updates Follow Us

MBBS BDS in China

"Past Paper and Practice Test Free Quiz"

Country Wise Scholarships

Entry Tests Preparation

Follow Us

Aggregate Calculator