ECAT (Practice Test) FLP 12 Free Quiz

Chemis

Comput

Englis

Maths

Physic

ECAT (Practice Test) – FLP 12 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 nucleus of an atom contains:

A. Protons and neutrons B. Protons and electrons C. Neutrons and electrons D. Protons only

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 neutron was discovered by:

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

4. The mass of a neutron 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

5. The gold foil experiment was performed by:

A. Rutherford B. Bohr C. Thomson D. Chadwick

6. The ionization energy of hydrogen is:

A. 13.6 eV B. 10.2 eV C. 3.4 eV D. 1.51 eV

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

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

8. Hund's rule states that electrons fill orbitals of same energy such that:

A. Maximum multiplicity (parallel spins) B. Pairing occurs first C. Electrons fill lower energy first D. Electrons fill randomly

9. The electron affinity is the energy change when an electron is added to a neutral atom. It is most exothermic for halogens because:

A. They have high nuclear charge and small size B. They have low nuclear charge C. They are large D. They have full shells

10. The electronegativity difference between two atoms determines the:

A. Type of bond (ionic/covalent) B. Bond length C. Bond energy D. Molecular shape

11. The shape of BF₃ is:

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

12. The shape of H₂O is:

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

13. The shape of CO₂ is:

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

14. The shape of SO₂ is:

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

15. The bond in F₂ is:

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

16. The bond in HF is:

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

17. The hybridisation of carbon in methane is:

A. sp³ B. sp² C. sp D. sp³d

18. The hybridisation of carbon in ethene (C₂H₄) is:

A. sp² B. sp³ C. sp D. sp³d

19. The equilibrium constant Kp is expressed in terms of:

A. Partial pressures B. Concentrations C. Mole fractions D. Activities

20. The solubility of a sparingly soluble salt is decreased by the addition of:

A. A common ion B. Water C. Acid D. Base

21. For a weak acid HA, the expression for Ka is:

A. Ka = [H⁺][A⁻]/[HA] B. Ka = [HA]/[H⁺][A⁻] C. Ka = [H⁺][HA]/[A⁻] D. Ka = [A⁻]/[H⁺][HA]

22. An electrochemical cell that uses electrical energy to drive a non-spontaneous reaction is called:

A. Electrolytic cell B. Galvanic cell C. Fuel cell D. Concentration cell

23. In electroplating, the metal to be plated is used as the:

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

24. In the electrolysis of water, hydrogen gas is produced at the:

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

25. The term "oxidation" originally meant:

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

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

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

27. The oxidation number of an element in its free state is:

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

28. A substance with higher reduction potential is a better:

A. Oxidizing agent B. Reducing agent C. Electrolyte D. Conductor

29. The number of faradays required to deposit one mole of Al from Al³⁺ is:

A. 3 F B. 1 F C. 2 F D. 4 F

30. The standard electrode potential of Cu²⁺/Cu is +0.34 V. Which statement is true about Cu?

A. Cu is a stronger reducing agent than Zn B. Cu²⁺ is a stronger oxidizing agent than Zn²⁺ C. Cu is easily oxidized D. Cu has low reduction potential

Computer Science 30 MCQs

31. In architecture, computers are used for:

A. 3D modeling and design B. Only measuring lengths C. Only drawing sketches D. Only painting walls

32. Computers are used in the publishing industry for:

A. Desktop publishing and printing B. Only binding books C. Only writing articles D. Only selling books

33. Computers help in disaster management by:

A. Prediction and coordination B. Only watching news C. Only sending alerts D. Only collecting donations

34. A kilobyte (KB) is approximately:

A. 1024 bytes B. 1000 bytes C. 1024 bits D. 1000 bits

35. The Control Unit (CU) is responsible for:

A. Directing the operation of the processor B. Performing arithmetic operations C. Storing data D. Displaying output

36. A record is:

A. A collection of related fields B. A single field C. A table D. A database

37. Lossy compression means:

A. Some data is lost B. No data is lost C. Data is encrypted D. Data is deleted

38. The first step in database design is:

A. Requirements analysis B. Physical design C. Implementation D. Testing

39. An Entity-Relationship (ER) diagram uses which symbols?

A. Rectangles (entities), diamonds (relationships), ellipses (attributes) B. Circles, triangles, squares C. Lines and arrows only D. Text only

40. In C/C++, what is the result of (5 > 3) ? 10 : 20?

A. 10 B. 20 C. error D. none

41. A counter circuit is used to:

A. Count pulses or events B. Add numbers C. Decode addresses D. Select inputs

42. A bus is:

A. A set of electrical pathways for data transfer B. A type of memory C. A CPU component D. A storage device

43. C language was developed by:

A. Dennis Ritchie B. Ken Thompson C. Bjarne Stroustrup D. James Gosling

44. Which header file is required for file handling in C?

A. stdio.h B. stdlib.h C. file.h D. io.h

45. Which mode is used to open a file for appending?

A. "a" B. "w" C. "r" D. "r+"

46. Which function removes a file?

A. remove() B. delete() C. unlink() D. file_remove()

47. A network that covers a large geographic area, such as a country or continent, is called:

A. WAN B. LAN C. MAN D. PAN

48. The OSI model has how many layers?

A. 7 B. 5 C. 4 D. 6

49. Which device is used to capture audio input?

A. Microphone B. Speaker C. Headphone D. Monitor

50. A digital camera is an:

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

51. The continue statement in a loop is used to:

A. Skip the rest of the current iteration and go to the next B. Exit the loop C. End the program D. Pause the loop

52. The do-while loop condition is checked:

A. After each iteration B. Before each iteration C. Only at start D. Never

53. What is the output: for(i=0; i<5; i++) { if(i==2) break; printf("%d", i); }

A. 01 B. 0 C. 012 D. 0123

54. Which property in a report is used to sort records?

A. Order By B. Group By C. Filter D. Record Source

55. A trackball is a pointing device where:

A. A ball is rotated to move the cursor B. A finger is slid on a surface C. A pen is used D. A joystick is moved

56. What is the default file extension of an Excel workbook?

A. .xlsx B. .docx C. .pptx D. .accdb

57. What is a relative cell reference?

A. A reference that changes when copied (e.g., A1) B. A reference that remains fixed C. A reference to a cell in another sheet D. A reference to a named cell

58. Which function is used to find the largest value in a range?

A. MAX B. MIN C. LARGE D. SMALL

59. Which SQL statement is used to modify existing records?

A. UPDATE B. INSERT C. SELECT D. DELETE

60. What is the purpose of the "Track Changes" feature?

A. To keep record of edits made to the document B. To spell-check C. To count words D. To change font

English 10 MCQs

61. What does "moderate" mean?

A. Not extreme B. Very intense C. Very light D. Rare

62. Read the passage: "Water is essential for life. It makes up about 60% of the human body and is involved in digestion, absorption, and temperature regulation. Staying hydrated improves energy levels and brain function. Lack of water can cause fatigue, headaches, and kidney problems. Health experts advise drinking at least 2 litres of water daily." What is the main idea?

A. Water is vital for bodily functions and health B. Water is only for quenching thirst C. Water is not important D. Water is harmful in large amounts

63. What has increased in popularity according to the passage?

A. Online learning B. Traditional learning C. Outdoor activities D. Traveling

64. What is the author's attitude towards online learning?

A. Balanced and realistic B. Overly positive C. Overly negative D. Indifferent

65. Which word is closest in meaning to "sustainable"?

A. Maintainable B. Wasteful C. Short-lived D. Expensive

66. The passage suggests that renewable energy is:

A. Worth the investment B. Not worth the cost C. Only for the future D. Ineffective

67. 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

68. Read the passage: "Traveling exposes people to new cultures, cuisines, and perspectives. It broadens the mind, reduces stress, and creates lasting memories. Whether domestic or international, travel encourages personal growth and helps people appreciate diversity. Even short trips can have a positive impact on mental health." What is the main idea?

A. Travel has positive effects on personal growth and mental well-being B. Travel is only for the wealthy C. Travel is a waste of time D. Travel causes stress

69. What is a benefit of travel mentioned?

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

70. What does "appreciate" mean?

A. Value or understand B. Dislike C. Ignore D. Criticize

Maths 30 MCQs

71. What is the value of 3x + 5 if x = 2?

A. 11 B. 10 C. 12 D. 13

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

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

73. What is the slope of a vertical line?

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

74. What is the slope of the line 2x + 3y = 6?

A. -2/3 B. 2/3 C. -3/2 D. 3/2

75. Find the slope of the line parallel to y = 5x - 1.

A. 5 B. -5 C. 1/5 D. -1/5

76. What is the area of the circle with equation x² + y² = 100?

A. 100π B. 10π C. 20π D. 50π

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

A. √52 B. √20 C. √36 D. √72

78. What is the derivative of f(x) = 3x² + 2x + 1 at x=1?

A. 8 B. 6 C. 4 D. 10

79. What is the derivative of f(x) = 7x?

A. 7 B. 0 C. 7x D. x

80. What is the set of integers?

A. Z B. N C. Q D. R

81. 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}

82. Which of the following is an irrational number?

A. √4 B. 3/4 C. √2 D. 0.5

83. What is the value of | -5 |?

A. 5 B. -5 C. 0 D. 10

84. What is the value of i²?

A. -1 B. 1 C. i D. -i

85. What is the set of rational numbers?

A. Q B. Z C. N D. R

86. What is the absolute value of -3 + 4i?

A. 5 B. 7 C. 1 D. √13

87. What is the common ratio in the sequence 3,6,12,24?

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

88. What is the sum of first n natural numbers?

A. n(n+1)/2 B. n(n+1) C. n(n-1)/2 D. n²

89. What is the 10th term of sequence 7, 10, 13, 16?

A. 34 B. 30 C. 37 D. 31

90. What is the standard deviation of data 2,3,4,5?

A. √1.25 B. 1 C. 2 D. 1.5

91. What is the mode of 2,2,3,4,5,5,5?

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

92. 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

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

A. 0 B. 10 C. 1 D. √10

94. What is the median of 1, 3, 5, 7, 9?

A. 5 B. 3 C. 7 D. 1

95. What is the value of tan 0°?

A. 0 B. 1 C. ∞ D. undefined

96. What is the phase shift of y = sin(x - π/2)?

A. π/2 to the right B. π/2 to the left C. No shift D. π shift

97. What is the value of csc 30°?

A. 2 B. 1/2 C. √3 D. √2

98. If vector A = (5,2) and vector B = (3,1), what is A - B?

A. (2,1) B. (2,1) C. (8,3) D. (2,3)

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

A. 45° B. 90° C. 0° D. 60°

100. If vector A = (2, -1, 3), what is its magnitude?

A. √14 B. √14 C. √14 D. √14

Physics 30 MCQs

101. The reciprocal of resistance is called:

A. Conductance B. Conductivity C. Impedance D. Reactance

102. In a series circuit, the current is:

A. Same through all components B. Different through each C. Zero D. Maximum in the largest resistor

103. A galvanometer can be converted into an ammeter by connecting:

A. A low resistance in parallel B. A high resistance in series C. A high resistance in parallel D. A low resistance in series

104. The direction of force on a current-carrying conductor in a magnetic field is given by:

A. Fleming's left-hand rule B. Fleming's right-hand rule C. Right-hand grip rule D. Lenz's law

105. The radius of the circular path of a charged particle in a magnetic field is:

A. r = mv / (qB) B. r = qB / (mv) C. r = mvB / q D. r = m/(qB)

106. 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

107. If the area of plates of a capacitor is doubled, its capacitance becomes:

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

108. A capacitor of capacitance C is charged to potential V. The charge on it is:

A. Q = CV B. Q = V/C C. Q = C/V D. Q = CV²

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

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

110. The work done in a cyclic process is equal to the area enclosed by the cycle on a:

A. P-V diagram B. T-S diagram C. P-T diagram D. V-T diagram

111. The latent heat of fusion of ice is about:

A. 333 kJ/kg B. 2260 kJ/kg C. 334 J/kg D. 3.33 × 10^5 J/kg

112. 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

113. The work done by a centripetal force is:

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

114. The resultant of two equal vectors of magnitude F acting at 90° has magnitude:

A. F√2 B. 2F C. F/√2 D. F

115. The wave nature of electrons was experimentally confirmed by:

A. Davisson and Germer B. Compton C. Einstein D. Planck

116. The general theory of relativity deals with:

A. Gravity and acceleration B. Constant velocity C. Electromagnetism D. Quantum effects

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

A. h/4π B. h/2π C. h D. ℏ

118. When light travels from air to glass, its speed:

A. Decreases B. Increases C. Remains same D. Becomes zero

119. The mirror formula is:

A. 1/f = 1/v + 1/u B. 1/f = 1/v - 1/u C. 1/f = 1/u - 1/v D. 1/v = 1/f + 1/u

120. The lens formula is:

A. 1/f = 1/v - 1/u B. 1/f = 1/v + 1/u C. 1/f = 1/u - 1/v D. 1/v = 1/f + 1/u

121. The magnification produced by a lens is given by:

A. m = v/u B. m = u/v C. m = f/v D. m = f/u

122. The angular acceleration is related to the tangential acceleration a_t by:

A. a_t = α r B. a_t = α/r C. a_t = r/α D. a_t = α r²

123. The distance between two successive crests is called:

A. Wavelength B. Frequency C. Amplitude D. Period

124. In a longitudinal wave, the particle displacement is:

A. Parallel to the direction of propagation B. Perpendicular C. At 45° D. None

125. The points with maximum displacement in a standing wave are called:

A. Antinodes B. Nodes C. Crests D. Troughs

126. The fundamental frequency of a string fixed at both ends is given by:

A. f = v/(2L) B. f = v/L C. f = 2v/L D. f = v/(4L)

127. A spring of spring constant 200 N/m is compressed by 0.1 m. The potential energy stored is:

A. 1 J B. 2 J C. 10 J D. 0.5 J

128. A 60 W bulb consumes energy at the rate of 60 J per second. In 10 minutes, it consumes:

A. 36000 J B. 600 J C. 60 J D. 3600 J

129. A battery has an internal resistance of 0.5Ω and delivers a current of 2A. If the terminal voltage is 11V, what is the EMF of the battery?

A. 10V B. 11V C. 12V D. 13V

130. A 10Ω and a 20Ω resistor are connected in series to a battery. What is the ratio of power dissipated in the 10Ω resistor to the 20Ω resistor?

A. 2:1 B. 1:1 C. 1:4 D. 1:2

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