MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Liquid crystals were first observed in |
| A. | 1888 |
| B. | 1999 |
| C. | 2006 |
| D. | 1788 |
| Answer» B. 1999 | |
| 2. |
Electrical quantity of a crystalline solid is different in different directions which is |
| A. | carbon |
| B. | diamond |
| C. | graphite |
| D. | Sulphur |
| Answer» D. Sulphur | |
| 3. |
Many small particles combine in crystals to form |
| A. | crystals |
| B. | unit cell |
| C. | lattice |
| D. | array |
| Answer» C. lattice | |
| 4. |
The temperature in degree centigrade at which Fluorine boils is |
| A. | −188.1 |
| B. | 186 |
| C. | 189 |
| D. | −200 |
| Answer» B. 186 | |
| 5. |
What was Lewis Carroll’s real name? |
| A. | Charles Lutwidge Dodgson |
| B. | Eric Arthur Blair |
| C. | Samuel Colt |
| D. | James Dean |
| Answer» B. Eric Arthur Blair | |
| 6. |
In chromatography liquid crystals are used as |
| A. | solution |
| B. | solute |
| C. | solvent |
| D. | none |
| Answer» D. none | |
| 7. |
Some degree of order is possessed by |
| A. | liquid crystals |
| B. | gases |
| C. | air |
| D. | nitrogen |
| Answer» B. gases | |
| 8. |
Occasionally the conductivity of metals decrease with increase in temperature because of movement of |
| A. | positive ions |
| B. | electrons |
| C. | protons |
| D. | nucleus |
| Answer» B. electrons | |
| 9. |
Which state is to the north of Louisiana? |
| A. | Arkansas |
| B. | Oregon |
| C. | California |
| D. | Washington |
| Answer» B. Oregon | |
| 10. |
Crystalline form does not depend upon |
| A. | chemical nature of atoms |
| B. | physical nature |
| C. | number of atoms |
| D. | combination of atoms |
| Answer» B. physical nature | |
| 11. |
Boric acid has usual crystal shape that is |
| A. | triclinic |
| B. | cubic |
| C. | orthorhombic |
| D. | trigonal |
| Answer» B. cubic | |
| 12. |
Arrangement of points in crystal are called |
| A. | crystal lattice |
| B. | lattice array |
| C. | space |
| D. | lines |
| Answer» B. lattice array | |
| 13. |
Allotropic forms of Sulphur are rhombic and |
| A. | octahedral |
| B. | cubic |
| C. | monoclinic |
| D. | needle like |
| Answer» D. needle like | |
| 14. |
Cleavage behavior is actually |
| A. | anisotropic property |
| B. | isotropic |
| C. | virtual |
| D. | none |
| Answer» B. isotropic | |
| 15. |
In the criterion-related validity, if the correlation coefficient of validity test is -0.45 then the test is classified as |
| A. | bad predictor |
| B. | bad criterion |
| C. | good criterion |
| D. | good predictor |
| Answer» B. bad criterion | |
| 16. |
The type of discrimination which occurs when the applicants for a job are refused and prioritizing the protected class individuals is classified as |
| A. | individualistic discrimination |
| B. | affirmative discrimination |
| C. | diversified discrimination |
| D. | reverse discrimination |
| Answer» E. | |
| 17. |
Weight is a/an |
| A. | base quantity |
| B. | force |
| C. | SI unit |
| D. | scalar quantity |
| Answer» C. SI unit | |
| 18. |
Carbon tetrachloride has boiling point of |
| A. | 76.5 degree Celsius |
| B. | 65.5degree Celsius |
| C. | 89 degree Celsius |
| D. | 95 degree Celsius |
| Answer» B. 65.5degree Celsius | |
| 19. |
the form of carbon which exists in cubic form is |
| A. | graphite |
| B. | diamond |
| C. | bucky ball |
| D. | coal |
| Answer» C. bucky ball | |
| 20. |
Parts of body having tumor are usually |
| A. | cold |
| B. | warmer |
| C. | normal |
| D. | moderate |
| Answer» C. normal | |
| 21. |
The solids which in many cases are sublimed easily are |
| A. | metals |
| B. | ionic |
| C. | molecular |
| D. | covalent |
| Answer» D. covalent | |
| 22. |
The type of analysis which gives the insights about availability of protected class members in labor markets is classified as |
| A. | availability analysis |
| B. | utilization analysis |
| C. | affirmation analysis |
| D. | disparate analysis |
| Answer» B. utilization analysis | |
| 23. |
The scientist who discovered liquid crystals was |
| A. | austrian botanist |
| B. | Austrian zoologist |
| C. | Austrian chemist |
| D. | Austrian microbiologist |
| Answer» B. Austrian zoologist | |
| 24. |
The response of molecular solids to light is that they are |
| A. | translucent |
| B. | opaque |
| C. | transparent |
| D. | no effect |
| Answer» D. no effect | |
| 25. |
In a unit cell of common salt the units of NaCl are |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 6 |
| Answer» C. 5 | |
| 26. |
In calcium carbonate orthorhombic forms polymorph with |
| A. | rhombohedral |
| B. | cubic |
| C. | trigonal |
| D. | monoclinic |
| Answer» D. monoclinic | |
| 27. |
Low volatility is a characteristic of |
| A. | ethanol |
| B. | spirit |
| C. | ionic crystal |
| D. | liquid |
| Answer» D. liquid | |
| 28. |
The process in which the settlement negotiations are assisted by a third party is classified as |
| A. | rehabilitation |
| B. | validation |
| C. | mediation |
| D. | intervention |
| Answer» D. intervention | |
| 29. |
Which university did Lucy Maud Montgomery attend? |
| A. | Dalhousie |
| B. | Guelph |
| C. | Cornell |
| D. | Prince Edward Island |
| Answer» B. Guelph | |
| 30. |
Sodium sulphate has attached water of crystallization which are usually |
| A. | 5 |
| B. | 6 |
| C. | 10 |
| D. | 8 |
| Answer» D. 8 | |
| 31. |
In hexagonal crystal system the angle formed is of |
| A. | 60 degree |
| B. | 100 degree |
| C. | 120 degree |
| D. | 30 degree |
| Answer» D. 30 degree | |
| 32. |
In crystal lattice unit cell is actually |
| A. | smallest figure |
| B. | lines |
| C. | points |
| D. | crystals |
| Answer» B. lines | |
| 33. |
Lattice energy is usually taken for |
| A. | 2 moles |
| B. | 3 moles |
| C. | 1 mole |
| D. | 5 moles |
| Answer» D. 5 moles | |
| 34. |
Dynamic equilibrium is important for |
| A. | reversible reactions |
| B. | irreversible reactions |
| C. | spontaneous reaction |
| D. | non spontaneous reaction |
| Answer» B. irreversible reactions | |
| 35. |
The compound or element having cubic crystals is |
| A. | iodine |
| B. | diamond |
| C. | tin |
| D. | sugar |
| Answer» C. tin | |
| 36. |
When the size of cation is increased lattice energy is |
| A. | decreased |
| B. | increased |
| C. | remains same |
| D. | 4) |
| Answer» B. increased | |
| 37. |
Sodium carbonate exists in two forms at a temperature of |
| A. | 32.92 degree Celsius |
| B. | 60 degree Celsius |
| C. | 89 degree Celsius |
| D. | 50 degree Celsius |
| Answer» B. 60 degree Celsius | |
| 38. |
Breaking along definite planes is a characteristic of |
| A. | amorphous solids |
| B. | crystalline solids |
| C. | virtual sides |
| D. | irregular solids |
| Answer» C. virtual sides | |
| 39. |
Which is the most famous book written by Lew Wallace? |
| A. | The Last of the Tzins |
| B. | The Fair God |
| C. | The First Christmas |
| D. | Ben-Hur |
| Answer» E. | |
| 40. |
According to molecular orbital theory the filled orbitals in metals are |
| A. | localized |
| B. | delocalized |
| C. | permanent |
| D. | temporary |
| Answer» B. delocalized | |
| 41. |
What caused Leo Tolstoy’s death? |
| A. | Brain tumour |
| B. | Heart attack |
| C. | Cholera |
| D. | Pneumonia |
| Answer» E. | |
| 42. |
Newton is the unit of |
| A. | Mass |
| B. | Weight |
| C. | Time |
| D. | Speed |
| Answer» C. Time | |
| 43. |
When second layer of balls comes on first layer to understand structure of metals shape formed is called |
| A. | hexagon |
| B. | tetrahedral structure |
| C. | sphere |
| D. | cylinder |
| Answer» C. sphere | |
| 44. |
The parameters by the help of which we can measure the unit cell are |
| A. | six |
| B. | seven |
| C. | eight |
| D. | nine |
| Answer» B. seven | |
| 45. |
White tin occurs in |
| A. | cubic form |
| B. | tetragonal form |
| C. | trigonal form |
| D. | hexagonal form |
| Answer» C. trigonal form | |
| 46. |
The forces which hold the ionic solids together are |
| A. | electrostatic forces |
| B. | weak forces |
| C. | van der waal forces |
| D. | London dispersion forces |
| Answer» B. weak forces | |
| 47. |
The lengths in which unit cell usually grows are |
| A. | two |
| B. | three |
| C. | four |
| D. | five |
| Answer» C. four | |
| 48. |
Molecular solids consists of |
| A. | polar part |
| B. | non polar part |
| C. | both polar and non polar parts |
| D. | neutral parts |
| Answer» D. neutral parts | |
| 49. |
Another name for electron pool theory is |
| A. | electron gas theory |
| B. | liquid theory |
| C. | solid theory |
| D. | pool theory |
| Answer» B. liquid theory | |
| 50. |
Hexane has maximum value for enthalpy change in vaporization which is |
| A. | 7kJ/mole |
| B. | 23kJ/mole |
| C. | 30.1kJ/mole |
| D. | 4kJ/mole |
| Answer» D. 4kJ/mole | |