Take 5 chapter-wise practice tests of 25 questions each on The Solid State for NEET with +4/-1 scoring, answer review, and concise explanations.
5 original practice tests, 25 questions each, NEET 4/-1 marking, and answer review after submission.
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1. Crystalline solids possess:
Explanation: Crystals have regular repeating arrangement.
2. Glass is an example of:
Explanation: Glass lacks long-range periodic order.
3. The smallest repeating unit in a crystal lattice is:
Explanation: Repeating the unit cell builds the lattice.
4. Coordination number in simple cubic structure is:
Explanation: Each atom touches six nearest neighbors.
5. Coordination number in bcc is:
Explanation: The body-centered atom has eight nearest neighbors.
6. Coordination number in fcc is:
Explanation: Close-packed fcc has coordination number 12.
7. Packing efficiency is maximum in:
Explanation: Face-centered cubic is more efficiently packed than bcc or simple cubic.
8. Ionic solids are generally:
Explanation: Strong electrostatic forces make them hard but brittle.
9. Electrical conductivity in metals is mainly due to:
Explanation: Mobile electrons carry charge through the metal.
10. Molecular solids usually have:
Explanation: Weak intermolecular forces make them easier to melt.
11. Diamond is extremely hard because it is a:
Explanation: A giant 3D covalent network gives great hardness.
12. Graphite conducts electricity because it contains:
Explanation: Each carbon contributes electrons that move within layers.
13. A missing ion from its normal lattice site produces:
Explanation: Vacancy means an empty lattice position.
14. Schottky defect lowers density because:
Explanation: Mass decreases because ions are absent.
15. In Frenkel defect, an ion leaves its lattice site and occupies:
Explanation: This creates a vacancy-interstitial pair.
16. Frenkel defect usually does not change density much because:
Explanation: The ion only changes position within the crystal.
17. In an n-type semiconductor, the majority carriers are:
Explanation: Donor doping supplies extra electrons.
18. In a p-type semiconductor, the majority carriers are:
Explanation: Acceptor doping creates electron deficiencies called holes.
19. Silicon doped with phosphorus forms a:
Explanation: Pentavalent dopant contributes an extra electron.
20. Silicon doped with boron forms a:
Explanation: Trivalent dopant leaves a hole.
21. Crystalline solids are generally:
Explanation: Many properties vary with direction in crystals.
22. Amorphous solids are generally:
Explanation: Random arrangement gives direction-independent properties.
23. Crystalline solids usually have a:
Explanation: Ordered crystals melt sharply.
24. The common close-packed structures are built from layers leaving characteristic:
Explanation: These voids are central to ionic-crystal structures.
25. The strongest shortcut in solid state is to connect bonding type, packing, and defects with:
Explanation: That explains conductivity, hardness, melting point, and density changes.
26. Crystalline solids possess:
Explanation: Crystals have regular repeating arrangement.
27. Glass is an example of:
Explanation: Glass lacks long-range periodic order.
28. The smallest repeating unit in a crystal lattice is:
Explanation: Repeating the unit cell builds the lattice.
29. Coordination number in simple cubic structure is:
Explanation: Each atom touches six nearest neighbors.
30. Coordination number in bcc is:
Explanation: The body-centered atom has eight nearest neighbors.
31. Coordination number in fcc is:
Explanation: Close-packed fcc has coordination number 12.
32. Packing efficiency is maximum in:
Explanation: Face-centered cubic is more efficiently packed than bcc or simple cubic.
33. Ionic solids are generally:
Explanation: Strong electrostatic forces make them hard but brittle.
34. Electrical conductivity in metals is mainly due to:
Explanation: Mobile electrons carry charge through the metal.
35. Molecular solids usually have:
Explanation: Weak intermolecular forces make them easier to melt.
36. Diamond is extremely hard because it is a:
Explanation: A giant 3D covalent network gives great hardness.
37. Graphite conducts electricity because it contains:
Explanation: Each carbon contributes electrons that move within layers.
38. A missing ion from its normal lattice site produces:
Explanation: Vacancy means an empty lattice position.
39. Schottky defect lowers density because:
Explanation: Mass decreases because ions are absent.
40. In Frenkel defect, an ion leaves its lattice site and occupies:
Explanation: This creates a vacancy-interstitial pair.
41. Frenkel defect usually does not change density much because:
Explanation: The ion only changes position within the crystal.
42. In an n-type semiconductor, the majority carriers are:
Explanation: Donor doping supplies extra electrons.
43. In a p-type semiconductor, the majority carriers are:
Explanation: Acceptor doping creates electron deficiencies called holes.
44. Silicon doped with phosphorus forms a:
Explanation: Pentavalent dopant contributes an extra electron.
45. Silicon doped with boron forms a:
Explanation: Trivalent dopant leaves a hole.
46. Crystalline solids are generally:
Explanation: Many properties vary with direction in crystals.
47. Amorphous solids are generally:
Explanation: Random arrangement gives direction-independent properties.
48. Crystalline solids usually have a:
Explanation: Ordered crystals melt sharply.
49. The common close-packed structures are built from layers leaving characteristic:
Explanation: These voids are central to ionic-crystal structures.
50. The strongest shortcut in solid state is to connect bonding type, packing, and defects with:
Explanation: That explains conductivity, hardness, melting point, and density changes.
51. Crystalline solids possess:
Explanation: Crystals have regular repeating arrangement.
52. Glass is an example of:
Explanation: Glass lacks long-range periodic order.
53. The smallest repeating unit in a crystal lattice is:
Explanation: Repeating the unit cell builds the lattice.
54. Coordination number in simple cubic structure is:
Explanation: Each atom touches six nearest neighbors.
55. Coordination number in bcc is:
Explanation: The body-centered atom has eight nearest neighbors.
56. Coordination number in fcc is:
Explanation: Close-packed fcc has coordination number 12.
57. Packing efficiency is maximum in:
Explanation: Face-centered cubic is more efficiently packed than bcc or simple cubic.
58. Ionic solids are generally:
Explanation: Strong electrostatic forces make them hard but brittle.
59. Electrical conductivity in metals is mainly due to:
Explanation: Mobile electrons carry charge through the metal.
60. Molecular solids usually have:
Explanation: Weak intermolecular forces make them easier to melt.
61. Diamond is extremely hard because it is a:
Explanation: A giant 3D covalent network gives great hardness.
62. Graphite conducts electricity because it contains:
Explanation: Each carbon contributes electrons that move within layers.
63. A missing ion from its normal lattice site produces:
Explanation: Vacancy means an empty lattice position.
64. Schottky defect lowers density because:
Explanation: Mass decreases because ions are absent.
65. In Frenkel defect, an ion leaves its lattice site and occupies:
Explanation: This creates a vacancy-interstitial pair.
66. Frenkel defect usually does not change density much because:
Explanation: The ion only changes position within the crystal.
67. In an n-type semiconductor, the majority carriers are:
Explanation: Donor doping supplies extra electrons.
68. In a p-type semiconductor, the majority carriers are:
Explanation: Acceptor doping creates electron deficiencies called holes.
69. Silicon doped with phosphorus forms a:
Explanation: Pentavalent dopant contributes an extra electron.
70. Silicon doped with boron forms a:
Explanation: Trivalent dopant leaves a hole.
71. Crystalline solids are generally:
Explanation: Many properties vary with direction in crystals.
72. Amorphous solids are generally:
Explanation: Random arrangement gives direction-independent properties.
73. Crystalline solids usually have a:
Explanation: Ordered crystals melt sharply.
74. The common close-packed structures are built from layers leaving characteristic:
Explanation: These voids are central to ionic-crystal structures.
75. The strongest shortcut in solid state is to connect bonding type, packing, and defects with:
Explanation: That explains conductivity, hardness, melting point, and density changes.
76. Crystalline solids possess:
Explanation: Crystals have regular repeating arrangement.
77. Glass is an example of:
Explanation: Glass lacks long-range periodic order.
78. The smallest repeating unit in a crystal lattice is:
Explanation: Repeating the unit cell builds the lattice.
79. Coordination number in simple cubic structure is:
Explanation: Each atom touches six nearest neighbors.
80. Coordination number in bcc is:
Explanation: The body-centered atom has eight nearest neighbors.
81. Coordination number in fcc is:
Explanation: Close-packed fcc has coordination number 12.
82. Packing efficiency is maximum in:
Explanation: Face-centered cubic is more efficiently packed than bcc or simple cubic.
83. Ionic solids are generally:
Explanation: Strong electrostatic forces make them hard but brittle.
84. Electrical conductivity in metals is mainly due to:
Explanation: Mobile electrons carry charge through the metal.
85. Molecular solids usually have:
Explanation: Weak intermolecular forces make them easier to melt.
86. Diamond is extremely hard because it is a:
Explanation: A giant 3D covalent network gives great hardness.
87. Graphite conducts electricity because it contains:
Explanation: Each carbon contributes electrons that move within layers.
88. A missing ion from its normal lattice site produces:
Explanation: Vacancy means an empty lattice position.
89. Schottky defect lowers density because:
Explanation: Mass decreases because ions are absent.
90. In Frenkel defect, an ion leaves its lattice site and occupies:
Explanation: This creates a vacancy-interstitial pair.
91. Frenkel defect usually does not change density much because:
Explanation: The ion only changes position within the crystal.
92. In an n-type semiconductor, the majority carriers are:
Explanation: Donor doping supplies extra electrons.
93. In a p-type semiconductor, the majority carriers are:
Explanation: Acceptor doping creates electron deficiencies called holes.
94. Silicon doped with phosphorus forms a:
Explanation: Pentavalent dopant contributes an extra electron.
95. Silicon doped with boron forms a:
Explanation: Trivalent dopant leaves a hole.
96. Crystalline solids are generally:
Explanation: Many properties vary with direction in crystals.
97. Amorphous solids are generally:
Explanation: Random arrangement gives direction-independent properties.
98. Crystalline solids usually have a:
Explanation: Ordered crystals melt sharply.
99. The common close-packed structures are built from layers leaving characteristic:
Explanation: These voids are central to ionic-crystal structures.
100. The strongest shortcut in solid state is to connect bonding type, packing, and defects with:
Explanation: That explains conductivity, hardness, melting point, and density changes.
101. Crystalline solids possess:
Explanation: Crystals have regular repeating arrangement.
102. Glass is an example of:
Explanation: Glass lacks long-range periodic order.
103. The smallest repeating unit in a crystal lattice is:
Explanation: Repeating the unit cell builds the lattice.
104. Coordination number in simple cubic structure is:
Explanation: Each atom touches six nearest neighbors.
105. Coordination number in bcc is:
Explanation: The body-centered atom has eight nearest neighbors.
106. Coordination number in fcc is:
Explanation: Close-packed fcc has coordination number 12.
107. Packing efficiency is maximum in:
Explanation: Face-centered cubic is more efficiently packed than bcc or simple cubic.
108. Ionic solids are generally:
Explanation: Strong electrostatic forces make them hard but brittle.
109. Electrical conductivity in metals is mainly due to:
Explanation: Mobile electrons carry charge through the metal.
110. Molecular solids usually have:
Explanation: Weak intermolecular forces make them easier to melt.
111. Diamond is extremely hard because it is a:
Explanation: A giant 3D covalent network gives great hardness.
112. Graphite conducts electricity because it contains:
Explanation: Each carbon contributes electrons that move within layers.
113. A missing ion from its normal lattice site produces:
Explanation: Vacancy means an empty lattice position.
114. Schottky defect lowers density because:
Explanation: Mass decreases because ions are absent.
115. In Frenkel defect, an ion leaves its lattice site and occupies:
Explanation: This creates a vacancy-interstitial pair.
116. Frenkel defect usually does not change density much because:
Explanation: The ion only changes position within the crystal.
117. In an n-type semiconductor, the majority carriers are:
Explanation: Donor doping supplies extra electrons.
118. In a p-type semiconductor, the majority carriers are:
Explanation: Acceptor doping creates electron deficiencies called holes.
119. Silicon doped with phosphorus forms a:
Explanation: Pentavalent dopant contributes an extra electron.
120. Silicon doped with boron forms a:
Explanation: Trivalent dopant leaves a hole.
121. Crystalline solids are generally:
Explanation: Many properties vary with direction in crystals.
122. Amorphous solids are generally:
Explanation: Random arrangement gives direction-independent properties.
123. Crystalline solids usually have a:
Explanation: Ordered crystals melt sharply.
124. The common close-packed structures are built from layers leaving characteristic:
Explanation: These voids are central to ionic-crystal structures.
125. The strongest shortcut in solid state is to connect bonding type, packing, and defects with:
Explanation: That explains conductivity, hardness, melting point, and density changes.