MCQOPTIONS
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MCQOPTIONS
This section includes 121 Mcqs, each offering curated multiple-choice questions to sharpen your Geology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The scientist who experimentally proved the existance of positron is |
| A. | Fermi |
| B. | Anderson |
| C. | Bohr |
| D. | Bethe |
| Answer» C. Bohr | |
| 2. |
Two moles of an ideal gas expand freely into vacuum. The work done by the gas is |
| A. | 2J |
| B. | 4J |
| C. | infinity |
| D. | 0 |
| Answer» E. | |
| 3. |
One name that is not a nuclear activity unit |
| A. | Bequerel |
| B. | Openheimer |
| C. | Rutherford |
| D. | Curie |
| Answer» C. Rutherford | |
| 4. |
In drinking water supply, which of the following treatments is not involved |
| A. | Coagulation |
| B. | Sedimentation |
| C. | Softening |
| D. | Disinfection |
| Answer» D. Disinfection | |
| 5. |
Methanoic and ethanoic acids can be distinguished by the action of |
| A. | NaHCO3 |
| B. | NaOH |
| C. | Tollen's reagent |
| D. | SOCl2 |
| Answer» D. SOCl2 | |
| 6. |
Williamson's synthesis is widely used in the laboratory preparation of |
| A. | alcohols |
| B. | ethers |
| C. | aldehydes |
| D. | esters |
| Answer» C. aldehydes | |
| 7. |
Forth floatation process to concentrate the minerals is applicable to |
| A. | Calamine |
| B. | Chalcopyrites |
| C. | Bauxite |
| D. | Haematite |
| Answer» C. Bauxite | |
| 8. |
The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas |
| A. | remains unchanged |
| B. | will be doubled |
| C. | will increase four-fold |
| D. | will be reduced to half |
| Answer» D. will be reduced to half | |
| 9. |
If a buffer solution is diluted its pH |
| A. | is increased |
| B. | remains same |
| C. | is decreased |
| D. | will slowly increase and then it will decrease |
| Answer» C. is decreased | |
| 10. |
Which of the following molecules has a bond order of 2.5 |
| A. | HCL |
| B. | CO |
| C. | F2 |
| D. | NO |
| Answer» D. NO | |
| 11. |
0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by |
| A. | 3 |
| B. | 4 |
| C. | 6 |
| D. | 7 |
| Answer» C. 6 | |
| 12. |
Molality of pure water is |
| A. | 18.00 |
| B. | 1.80 |
| C. | 5.55 |
| D. | 55.5 |
| Answer» E. | |
| 13. |
Which of the following is not present in RNA |
| A. | Thymine |
| B. | Uracil |
| C. | Ribose |
| D. | Phosphate |
| Answer» B. Uracil | |
| 14. |
The metal present in vitamin B12 is |
| A. | Fe |
| B. | Co |
| C. | Mg |
| D. | Mo |
| Answer» C. Mg | |
| 15. |
Which of the following is not an addition polymer |
| A. | Nylon |
| B. | PVC |
| C. | Polythene |
| D. | Polystyrene |
| Answer» B. PVC | |
| 16. |
The most volatile of the given liquids is |
| A. | ether |
| B. | liquid |
| C. | liquid NH3 |
| D. | liquid He |
| Answer» E. | |
| 17. |
Basicity of boric acid, H3BO3 is |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 18. |
The strongest acid of the following is |
| A. | p-chlorophenol |
| B. | m-nitrophenol |
| C. | p-nitrophenol |
| D. | o-nitrophenol |
| Answer» D. o-nitrophenol | |
| 19. |
The reaction intermediate formed during the preparation of diethylether from ethanol by tratment with H2SO4 is |
| A. | Carbanion |
| B. | Carbocation |
| C. | Carbene |
| D. | Free radical |
| Answer» C. Carbene | |
| 20. |
Of the following compounds of calcium, the one having highest covalent character is |
| A. | CaF2 |
| B. | Cacl2 |
| C. | CaBr2 |
| D. | Cal2 |
| Answer» E. | |
| 21. |
Haloarenes are more stable than haloalkanes due to |
| A. | Resonance effect |
| B. | Inductive effect |
| C. | Hyper conjugative effect |
| D. | All of them |
| Answer» B. Inductive effect | |
| 22. |
What is the covalency of nitrogen in ammonia molecule |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 23. |
The aprotic solvent is |
| A. | H2O |
| B. | C6H6 |
| C. | HF |
| D. | NH3 |
| Answer» D. NH3 | |
| 24. |
An oxidising agent is a |
| A. | An electron acceptor |
| B. | An electron donor |
| C. | In a chemical reaction its oxidation number increases |
| D. | It releases H2 in a chemical reaction |
| Answer» B. An electron donor | |
| 25. |
Which of the following acts as promoter for iron in Haber's process |
| A. | Mn |
| B. | Mo |
| C. | Mg |
| D. | W |
| Answer» C. Mg | |
| 26. |
Which of the following is not a derivative of barbituric acid |
| A. | Nembutal |
| B. | Amytal |
| C. | Veronal |
| D. | Equanil |
| Answer» E. | |
| 27. |
The example of oligosaccharide is |
| A. | Sucrose |
| B. | Glucose |
| C. | Ribose |
| D. | Cellulose |
| Answer» B. Glucose | |
| 28. |
The monomers of dacron are |
| A. | decane and decanol |
| B. | decanone and decanol |
| C. | Ethylene glycol and terephthalic acid |
| D. | Ethylene glygol and phthalic acid |
| Answer» D. Ethylene glygol and phthalic acid | |
| 29. |
Neoprene is prepared by polymerisation of which of the following |
| A. | 2-chloro-1, 3-butadiene |
| B. | 2-methyl 1, 3-butadiene |
| C. | 1,3-butadiene |
| D. | Acrylonitrile |
| Answer» B. 2-methyl 1, 3-butadiene | |
| 30. |
Among the following, carbonate ore of Zinc is |
| A. | Zincblende |
| B. | Calamine |
| C. | Sphalerite |
| D. | Zincite |
| Answer» C. Sphalerite | |
| 31. |
Which of the following has least negative electron gain enthalpy |
| A. | P |
| B. | S |
| C. | Cl |
| D. | F |
| Answer» B. S | |
| 32. |
The third shell of an atom can have a maximum of __ electrons |
| A. | 13 |
| B. | 15 |
| C. | 18 |
| D. | 21 |
| Answer» D. 21 | |
| 33. |
Which of the following kinds of spectroscopy can provide information on the energy difference between the initial and final states rather the energy levels involved in the transition |
| A. | UV absorption spectroscopy |
| B. | UV photoelectron spectroscopy |
| C. | Infrared absorption spectroscopy |
| D. | Rotational spectroscopy |
| Answer» C. Infrared absorption spectroscopy | |
| 34. |
The product, 9-nitroanthracene is obtained from anthracene by the action of |
| A. | Nitric acid and acetic anhydride |
| B. | Nitric acid and ethyl alcohol |
| C. | Nitric acid and acetic acid |
| D. | Nitric acid in excess |
| Answer» B. Nitric acid and ethyl alcohol | |
| 35. |
Which of the following electrodes is used in strongly alkaline solution |
| A. | Mercury - mercuric oxide electrode |
| B. | Mercury - mercurous sulphate electrode |
| C. | Mercury - mercurous chloride electrode |
| D. | Silver - silver chloride electrode |
| Answer» B. Mercury - mercurous sulphate electrode | |
| 36. |
Which of the following partial miscible liquid pairs has both lower and upper critical solution temperature |
| A. | Water and Phenol |
| B. | Aniline and n-hexane |
| C. | Glycerine and m-toluene |
| D. | Water and diethyl aniline |
| Answer» D. Water and diethyl aniline | |
| 37. |
Which of the following methods is used in determining the number average molar mass of a macromolecule |
| A. | Viscosity |
| B. | Osmotic pressure |
| C. | Sedimentation equilibrium |
| D. | Light scattering |
| Answer» C. Sedimentation equilibrium | |
| 38. |
Which one of the following species has the highest bond order, shortest bond length and maximum bond strength |
| A. | O2 |
| B. | O+2 |
| C. | O-2 |
| D. | O-22 |
| Answer» C. O-2 | |
| 39. |
The transuranium elements are the chemical elements with atomic numbers greater than |
| A. | 86 |
| B. | 89 |
| C. | 92 |
| D. | 96 |
| Answer» D. 96 | |
| 40. |
Periodic table contains how many periods |
| A. | 6 |
| B. | 7 |
| C. | 8 |
| D. | 10 |
| Answer» C. 8 | |
| 41. |
Periodic table contains how many groups |
| A. | 16 |
| B. | 17 |
| C. | 18 |
| D. | 19 |
| Answer» D. 19 | |
| 42. |
All isotopes of the same element have __ |
| A. | different atomic numbers and different atomic mass |
| B. | different atomic numbers and the same atomic mass |
| C. | the same atomic number but different atomic masses |
| D. | the same atomic number and the atomic mass |
| Answer» D. the same atomic number and the atomic mass | |
| 43. |
How many electrons can be accommodated in d-orbital |
| A. | 3 |
| B. | 6 |
| C. | 8 |
| D. | 10 |
| Answer» E. | |
| 44. |
The laws of electrolysis are given by |
| A. | Ostwald |
| B. | Faraday |
| C. | Arrhenius |
| D. | Lewis |
| Answer» C. Arrhenius | |
| 45. |
Aqueous solution of which of the following is a good conductor of electricity |
| A. | Ammonium acetate |
| B. | Glucose |
| C. | Ammonia |
| D. | Acetic acid |
| Answer» B. Glucose | |
| 46. |
The compounds formed when hydrogen combines with p-block elements are called |
| A. | Ionic hydrides |
| B. | Molecular hydrides |
| C. | Metallic hydrides |
| D. | Polynuclear hydrides |
| Answer» C. Metallic hydrides | |
| 47. |
The aqueous solution of potassium chloride is |
| A. | a weak electrolyte |
| B. | a strong electrolyte |
| C. | a non-electrolyte |
| D. | initially weak and then become a strong electrolyte |
| Answer» C. a non-electrolyte | |
| 48. |
Which of the following elements is found in all organic compounds |
| A. | Carbon |
| B. | Calcium |
| C. | Nitrogen |
| D. | Oxygen |
| Answer» B. Calcium | |
| 49. |
The elements in the modern Periodic table are arranged according to their |
| A. | Mass number |
| B. | Neutron number |
| C. | Atomic number |
| D. | Atomic Weight |
| Answer» D. Atomic Weight | |
| 50. |
The structure of (HPO3)3 is |
| A. | Linear |
| B. | Tetrahedral |
| C. | Cyclic |
| D. | Octahedral |
| Answer» D. Octahedral | |