ECAT (Practice Test) FLP 9 Free Quiz

Chemis

Comput

Englis

Maths

Physic

ECAT (Practice Test) – FLP 9 consists of 130 MCQs covering 5 subjects. You have 100 minutes to complete it. Start with the easier questions and manage your time wisely. Good luck!

Chemistry 30 MCQs

1. The mass of a proton is approximately:

A. 1.67 × 10⁻²⁷ kg B. 9.1 × 10⁻³¹ kg C. 1.0 × 10⁻³⁰ kg D. 1.67 × 10⁻²⁸ kg

2. The maximum number of electrons in a subshell is:

A. 2(2l+1) B. 2l+1 C. 2n² D. 2n

3. The aufbau principle states that electrons fill orbitals in order of:

A. Increasing energy B. Decreasing energy C. Increasing size D. Increasing distance from nucleus

4. The dual nature of electrons was proposed by:

A. De Broglie B. Bohr C. Rutherford D. Thomson

5. The wave-particle duality of electrons was experimentally confirmed by:

A. Davisson and Germer B. Thomson C. Rutherford D. Millikan

6. The azimuthal quantum number l = 2 corresponds to which subshell?

A. d B. s C. p D. f

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

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

8. The ionization energy generally increases across a period because:

A. Nuclear charge increases and atomic size decreases B. Nuclear charge decreases C. Atomic size increases D. Shielding increases

9. The bond formed by the transfer of electrons from one atom to another is called:

A. Ionic bond B. Covalent bond C. Metallic bond D. Co-ordinate bond

10. In VSEPR theory, lone pair-lone pair repulsion is greater than:

A. Lone pair-bond pair repulsion B. Bond pair-bond pair C. Both are equal D. None

11. The shape of SO₂ is:

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

12. The bond in F₂ is:

A. Nonpolar covalent B. Polar covalent C. Ionic D. Metallic

13. The bond in metals is:

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

14. The hydrogen bond is strongest in:

A. HF B. H₂O C. NH₃ D. CH₄

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

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

16. The bond length in H₂ is:

A. Shortest among halogens B. Longest C. Equal to F₂ D. None

17. A triple bond consists of:

A. One sigma and two pi bonds B. Two sigma and one pi C. Three sigma D. Three pi

18. The bond in Cl₂ is:

A. Nonpolar covalent B. Polar covalent C. Ionic D. Hydrogen

19. The hybridisation of iodine in IF₇ is:

A. sp³d³ B. sp³d² C. sp³d D. sp³

20. The number of lone pairs on central atom in XeF₂ is:

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

21. A buffer solution resists changes in pH upon addition of small amounts of acid or base. It consists of a:

A. Weak acid and its salt with strong base B. Strong acid and its salt C. Strong base and its salt D. Neutral salt

22. The equilibrium constant for the dissociation of water is called:

A. Kw B. Ksp C. Ka D. Kb

23. The relationship between Ka and Kb for a conjugate acid-base pair is:

A. Ka × Kb = Kw B. Ka / Kb = Kw C. Ka + Kb = Kw D. Ka = Kb

24. The common ion effect is used in qualitative analysis to:

A. Selectively precipitate ions B. Increase solubility C. Change pH D. Act as catalyst

25. The electrode where reduction occurs is called:

A. Cathode B. Anode C. Salt bridge D. Electrolyte

26. The standard reduction potential of Cu²⁺/Cu is +0.34 V. This means Cu²⁺ is reduced more:

A. Readily than H⁺ B. Less readily than H⁺ C. Equally D. Cannot determine

27. The cell potential (EMF) of a galvanic cell is given by:

A. E_cell = E_cathode - E_anode B. E_cell = E_anode - E_cathode C. E_cell = E_anode + E_cathode D. E_cell = E_anode / E_cathode

28. The EMF of a lead-acid cell is approximately:

A. 2 V B. 1.5 V C. 1.1 V D. 3.0 V

29. The term "reduction" originally meant:

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

30. The Nernst equation can be used to calculate the potential of an electrode under non-standard conditions. For Zn²⁺ + 2e⁻ ⇌ Zn, the Nernst equation is:

A. E = E° - (0.0592/2) log (1/[Zn²⁺]) B. E = E° + (0.0592/2) log (1/[Zn²⁺]) C. E = E° - (0.0592/2) log [Zn²⁺] D. E = E° + (0.0592/2) log [Zn²⁺]

Computer Science 30 MCQs

31. In sports, computers are used for:

A. Performance analysis and scorekeeping B. Only playing games C. Only selling tickets D. Only cleaning stadiums

32. Normalization in databases is used to:

A. Reduce data redundancy and dependency B. Increase storage C. Delete data D. Create backups

33. Which of the following is used to connect to the Internet?

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

34. Which of these is a type of storage?

A. SSD (Solid State Drive) B. Monitor C. Keyboard D. Mouse

35. Which of these is volatile memory?

A. RAM B. ROM C. Hard disk D. SSD

36. Referential integrity means:

A. A foreign key value must match a primary key value in the parent table B. All values are unique C. No null values are allowed D. Data is sorted

37. A strong entity has:

A. Its own primary key B. No primary key C. Foreign key only D. No attributes

38. The syntax of an if statement is:

A. if (condition) { statement; } B. if condition then statement C. if (condition) statement D. All of the above

39. What will this code print? int a = 10; if (a > 5 && a < 20) { print("In range"); } else { print("Out of range"); }

A. In range B. Out of range C. Error D. None

40. What is the purpose of the EOF constant?

A. Indicates end of file B. Indicates open error C. Indicates write error D. Indicates read error

41. The correct syntax for a function definition is:

A. return_type function_name(parameters) { body } B. function_name(parameters) { body } C. return_type function_name(parameters) { body } D. All of the above

42. What is an inline function?

A. A function expanded in line at the call site B. A function that returns int C. A function with no parameters D. A static function

43. What is the difference between a function declaration and definition?

A. Declaration just gives prototype; definition includes the body B. Declaration is used for calling; definition is not C. They are the same D. Definition is only for built-in functions

44. Which of these is a loop construct in C?

A. for B. if C. switch D. All of the above

45. Which topology connects devices in a closed loop?

A. Ring B. Star C. Bus D. Mesh

46. Which protocol is used for secure communication over the web?

A. HTTPS B. HTTP C. FTP D. SMTP

47. Which of these is a valid IPv4 address?

A. 192.168.1.1 B. 192.168.1 C. 192.168.1.1.1 D. 192.168

48. A scanner is used to:

A. Convert printed text/images into digital data B. Display images C. Print documents D. Record audio

49. Which input device is commonly used with laptops to control the cursor?

A. Touchpad B. Scanner C. Digital camera D. Barcode reader

50. A digital camera is an:

A. Input device B. Output device C. Storage device D. Processing device

51. What is the role of a compiler?

A. To translate high-level code to machine code B. To execute code C. To debug code D. To edit code

52. Which data type in Access is used for long text (up to 65,535 characters)?

A. Long Text B. Text C. Number D. Memo

53. Which loop executes the body at least once?

A. do-while B. while C. for D. All of the above

54. A peripheral device is defined as:

A. An external device attached to the computer B. The CPU C. The memory D. The motherboard

55. Which peripheral device is used to connect to a network?

A. Network interface card (NIC) B. Keyboard C. Monitor D. Scanner

56. What is a strong password?

A. A password that is long, complex, and includes a mix of characters B. A password that is simple and easy to remember C. Your birthdate D. The word "password"

57. A row in a table is called a:

A. Record B. Field C. Column D. Key

58. Which clause is used to sort query results?

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

59. Which normal form eliminates transitive dependencies?

A. 3NF B. 2NF C. 1NF D. BCNF

60. Which key combination opens the Start menu in Windows?

A. Windows key B. Ctrl + Esc C. Both A and B D. Alt + Tab

English 10 MCQs

61. Water helps with which bodily function?

A. Absorption B. Vision C. Hearing D. Smell

62. Read the passage: "Online learning has become increasingly popular in recent years. It offers flexibility, allowing students to study at their own pace and from anywhere with an internet connection. It also provides access to a wider range of courses and resources. However, it requires self-discipline and good time management to succeed." What is the main idea?

A. Online learning offers benefits but demands self-discipline B. Online learning is inferior to traditional learning C. Online learning is only for technology experts D. Online learning has no drawbacks

63. Which of the following is NOT mentioned as an advantage of online learning?

A. No need for teachers B. Access to many courses C. Study from anywhere D. Flexibility

64. What does "flexibility" mean?

A. Ability to adapt B. Fixed schedule C. Strict rules D. Inflexibility

65. What do friends provide according to the passage?

A. Emotional support and happiness B. Only financial help C. Only advice D. Only entertainment

66. Kindness is described as:

A. Contagious B. Rare C. Difficult D. Expensive

67. Which word means the opposite of "kindness"?

A. Cruelty B. Gentleness C. Generosity D. Patience

68. Read the passage: "A balanced diet is key to maintaining good health. It should include fruits, vegetables, whole grains, and lean proteins. Reducing sugar, salt, and saturated fats can prevent obesity and heart disease. Drinking plenty of water and eating mindfully also contribute to overall well-being." What is the main idea?

A. A balanced diet helps prevent disease and promotes health B. Only fruits are important C. Eating is not important for health D. All foods are equally healthy

69. Read the passage: "Sleep is essential for physical and mental restoration. During sleep, the brain processes information, stores memories, and removes toxins. Adults typically need 7-9 hours of quality sleep per night. Poor sleep is linked to weakened immune function, weight gain, and mood disorders." What is the main idea?

A. Sleep is crucial for health and brain function B. Sleep is a luxury C. Sleep is not important D. Sleep causes weight loss

70. What is a benefit of travel mentioned?

A. Broadens the mind and reduces stress B. Increases stress C. Leads to boredom D. Creates isolation

Maths 30 MCQs

71. What is the product of (x+2)(x+3)?

A. x²+5x+6 B. x²+6x+5 C. x²+5x+5 D. x²+6x+6

72. What is the x-coordinate of the midpoint of (2,3) and (6,5)?

A. 4 B. 3 C. 5 D. 2

73. What is the distance from point (3,4) to the x-axis?

A. 4 B. 3 C. 5 D. 0

74. Find the point of intersection of x+y=5 and x-y=1.

A. (3,2) B. (2,3) C. (4,1) D. (1,4)

75. What is the derivative of f(x) = √x?

A. 1/(2√x) B. 2√x C. 1/√x D. √x/2

76. Find the derivative of f(x) = cos(2x) + sin(2x).

A. -2 sin(2x) + 2 cos(2x) B. 2 sin(2x) - 2 cos(2x) C. -2 cos(2x) + 2 sin(2x) D. 2 cos(2x) + 2 sin(2x)

77. Evaluate ∫₁² (3x²) dx.

A. 7 B. 8 C. 6 D. 5

78. What is the complement of set A={1,2} if universal set U={1,2,3,4}?

A. {3,4} B. {1,2} C. {1,2,3,4} D. ∅

79. What is the LCM of 4 and 6?

A. 12 B. 24 C. 8 D. 2

80. What is the value of (2+3i) + (4+5i)?

A. 6+8i B. 6-8i C. 8+6i D. 8-6i

81. The number 0 belongs to which sets?

A. All of the above (integers, rationals, reals) B. Only integers C. Only rationals D. Only reals

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

A. {2,3} B. {1,4} C. {1,2,3,4} D. ∅

83. 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

84. What is the 7th term of sequence 4, 7, 10, ...?

A. 22 B. 19 C. 25 D. 20

85. What is the probability of rolling an even number on a dice?

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

86. What is the probability of drawing a red card from a deck?

A. 1/2 B. 1/4 C. 1/13 D. 2/3

87. 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

88. What is the probability of rolling a sum of 7 with two dice?

A. 1/6 B. 1/36 C. 1/12 D. 1/4

89. What is the probability of drawing a face card (J,Q,K) from a deck?

A. 3/13 B. 1/13 C. 12/52 D. Both A and C

90. What is the sum of all probabilities in a probability distribution?

A. 1 B. 0 C. less than 1 D. more than 1

91. What is the standard deviation of the data set {10,10,10,10}?

A. 0 B. 10 C. 1 D. √10

92. What is the mean of 2, 4, 6, 8, 10?

A. 6 B. 5 C. 7 D. 8

93. What is the value of sin 45°?

A. √2/2 B. √3/2 C. 1/2 D. 1

94. What is the value of tan(π/4) + cot(π/4)?

A. 2 B. 1 C. 0 D. √2

95. What is the cross product of A=(1,0,0) and B=(0,1,0)?

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

96. What is the magnitude of the vector (6,8)?

A. 10 B. 14 C. 2 D. 100

97. If A = 2i + 3j and B = i - j, find A - B.

A. i + 4j B. i + 2j C. 3i + 2j D. i - 4j

98. If A = (3,4), what is 2A?

A. (6,8) B. (6,8) C. (9,12) D. (3,4)

99. 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)

100. What is the angle between vectors (1,0,0) and (0,1,0)?

A. 90° B. 0° C. 45° D. 180°

Physics 30 MCQs

101. If the length of a wire is doubled, its resistance becomes:

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

102. The time period of revolution of a charged particle in a magnetic field is independent of:

A. Velocity B. Magnetic field C. Charge D. Mass

103. Paramagnetic materials have relative permeability μ_r:

A. Slightly greater than 1 B. Slightly less than 1 C. Much greater than 1 D. Equal to 1

104. The force between two charges is inversely proportional to:

A. Square of distance between them B. Distance C. Cube of distance D. Square root of distance

105. Like charges:

A. Repel each other B. Attract each other C. No force D. Cancel each other

106. Unlike charges:

A. Attract each other B. Repel each other C. No force D. Cancel each other

107. The electric field inside a charged conductor in electrostatic equilibrium is:

A. Zero B. Maximum C. Constant D. Non-zero

108. The force of gravity between two masses is given by:

A. F = G m1 m2 / r² B. F = G m1 m2 / r C. F = G m1 m2 r² D. F = G (m1+m2)/r²

109. The Earth's gravitational pull on a body is equal to its:

A. Weight B. Mass C. Volume D. Density

110. The value of g on the moon is about 1/6th of that on Earth. An object weighing 60 N on Earth would weigh on the moon:

A. 10 N B. 6 N C. 60 N D. 360 N

111. The orbital period of a satellite depends on:

A. Radius of orbit and mass of Earth B. Mass of satellite C. Velocity of satellite D. Both B and C

112. The gravitational force between two masses is an example of:

A. Action at a distance B. Contact force C. Tension D. Friction

113. In an isothermal process for an ideal gas, the internal energy ΔU is:

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

114. The latent heat of vaporization of water at 100 °C is about:

A. 2260 kJ/kg B. 333 kJ/kg C. 4200 J/kg D. 226 J/kg

115. Newton's second law of motion states that force is equal to:

A. Mass × acceleration B. Mass / acceleration C. Acceleration / mass D. Mass × velocity

116. Friction is a force that:

A. Opposes motion B. Supports motion C. Has no direction D. Is always present

117. The coefficient of friction depends on:

A. The nature of the surfaces B. The area of contact C. The speed of sliding D. The weight

118. The prefix "kilo" represents:

A. 10³ B. 10² C. 10⁶ D. 10⁻³

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

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

120. The second postulate of special relativity states that the speed of light in vacuum is:

A. Constant for all observers B. Maximum for observers moving with source C. Minimum for observers moving towards source D. Varies with wavelength

121. The Compton effect demonstrates that light behaves as:

A. Particles (photons) B. Waves C. Both waves and particles D. Neither

122. The photoelectric effect proves the:

A. Particle nature of light B. Wave nature of light C. Both D. Neither

123. Black body radiation was explained by:

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

124. According to Planck's law, the energy of an oscillator is quantized as:

A. E = nhf B. E = hf C. E = mc² D. E = kT

125. 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

126. A convex lens is also called:

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

127. A rainbow is formed due to:

A. Dispersion, refraction, and total internal reflection of light in water droplets B. Only reflection C. Only refraction D. Only diffraction

128. The angular acceleration α is defined as:

A. dω/dt B. dθ/dt C. ω/t D. θ/t

129. The spreading of a wave around obstacles is called:

A. Diffraction B. Refraction C. Reflection D. Interference

130. A wire of resistance R is stretched to double its original length while its diameter is halved. What is the new resistance?

A. 2 times B. 4 times C. 6 times D. 8 times

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