InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Experiment to prove origin of life by chemical basis is done by Urey and Miller . They used `NH_(3)` and :A. `CH_(4)" and "O_(2)`B. `H_(2)O" and "CH_(4)`C. `H_(2)O" and " H_(2)`D. `CH_(4),H_(2)O" and " H_(2)` |
| Answer» Correct Answer - D | |
| 52. |
The spark-discharge apparatus to test chemical evolution of life was desigend by :A. Urey and MillerB. Dicon and JolleyC. Jacob and MonodD. Oparin and Haldane |
| Answer» Correct Answer - A | |
| 53. |
The category of molecules produced by th eMiller -Urey experiment was:A. orsnic polymersB. inoeganic polymersC. organic monomersD. inorganic monomers |
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Answer» Correct Answer - C Because the amino acids are organic monomers. |
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| 54. |
Biologists are interested in the role of liposomes in the origin of life. They think that liposomes might show how theA. Raw materials for organic compounds are formedB. Formation of organic polymers, such as carbohydrates and RNA were catalysedC. primitive cell membranes have form,grow and divideD. energy was supplied for the metabolisro of the first simple cells |
| Answer» Correct Answer - C | |
| 55. |
Who said that the organisms develop from pre-existing organisms?A. Louis PasteurB. AristotleC. AI OparinD. Haldane |
| Answer» Correct Answer - A | |
| 56. |
The idea that life originates from pre-existing life is referred as :A. biogenesis throeyB. abiogenesis theoryC. extraterrestrial theoryD. special creation theory |
| Answer» Correct Answer - A | |
| 57. |
Fossil records usually exhibitA. MicroevolutionB. MacroevolutionC. MegaevolutionD. Quantum evolution |
| Answer» Correct Answer - B | |
| 58. |
Stromocites, the first found fossils areA. plantaeB. virusC. PPLOD. cyanobacteria |
| Answer» Correct Answer - D | |
| 59. |
The earliest prokaryotes must have been:A. lipotrophsB. phototrophsC. chemoautotrophsD. chemoheterotrophs |
| Answer» Correct Answer - D | |
| 60. |
Which of the following are considered as molecular fossils?A. RibozymesB. NucleotidesC. Amino acidsD. Meteorites |
| Answer» Correct Answer - A | |
| 61. |
The fossilised microbial mats which consist of filamentous prokaryotes and trapped sediments areA. StromatolitesB. Sulphur bacteriaC. SaprophytesD. None of the above |
| Answer» Correct Answer - A | |
| 62. |
Our galaxy was originated aboutA. 100 billion years agoB. 1 billion years agoC. 1000 billion years agoD. 100 million years ago |
| Answer» Correct Answer - A | |
| 63. |
The galaxy to which our solar system belongs is calledA. Radio galaxyB. Elliptical galaxyC. Milky WayD. Irregular |
| Answer» Correct Answer - C | |
| 64. |
The universe isA. ExpandingB. ContractingC. StaticD. In second half of its cycle. |
| Answer» Correct Answer - A | |
| 65. |
The brightest star visible to us isA. Alpha CentauriB. SiriusC. Pole starD. None of the above. |
| Answer» Correct Answer - B | |
| 66. |
Total number of stars present in universe isA. `10^(12)`B. `10^(16)`C. `10^(19)`D. `10^(22)` |
| Answer» Correct Answer - D | |
| 67. |
The branch of science which deals with deals with the study of universe is calledA. UniversologyB. Evolutionary biologyC. CosmilogyD. Astrology |
| Answer» Correct Answer - C | |
| 68. |
The reason that primitive atmosphere of the earth did not show any degradationisA. Reducing natureB. High temperatureC. UV raysD. Rainfall |
| Answer» Correct Answer - A | |
| 69. |
The largest planet of solar system isA. PlutoB. earthC. MercuryD. Jupiter |
| Answer» Correct Answer - D | |
| 70. |
Which one glows but does not twinkle?A. StarB. PlanetC. AsteroidD. Meterorite |
| Answer» Correct Answer - B | |
| 71. |
Inferior planets areA. Farthest from SunB. In orbits outside that of earthC. In orbits inner to that of earthD. Gaseous planets |
| Answer» Correct Answer - C | |
| 72. |
Miller passed an electric discharge in a mixture of :A. nitrogen, ammonia, hydrogen and water vapourB. methane, hydrogen,ammonia and water vapourC. ammonia, carbon dioxide, oxygen and water vapourD. methane, carbondioxide, hydrogen and water vapour |
| Answer» Correct Answer - B | |
| 73. |
The number of terrestrial planets isA. FourB. ThreeC. TwoD. One |
| Answer» Correct Answer - A | |
| 74. |
Terrestrial or abiogenic origin of life interprets that the life aroseA. By a series of sequential chemical reactionsB. from pre-existing lifeC. Spontaneously from lifeless matterD. |
| Answer» Correct Answer - A | |
| 75. |
Solar system contains planetsA. SevenB. NineC. EightD. Six |
| Answer» Correct Answer - c | |
| 76. |
How long the Miller and Urey expriment was carriedA. 1 weekB. 2 weekC. 2 daysD. 1 month |
| Answer» Correct Answer - A | |
| 77. |
Morning and Evening stars are respectivelyA. Pluto and NeptuneB. Jupiter and MarsC. Venus and MarsD. Venus only |
| Answer» Correct Answer - D | |
| 78. |
Alpha Centauri is aA. Triple starB. Double starC. Single starD. Constellation |
| Answer» Correct Answer - A | |
| 79. |
Alpha Centauri, our nearest star, is at a distance ofA. 1.2 light yearsB. 2.3 light yearsC. 3.7 light yearsD. 4.3 light years |
| Answer» Correct Answer - D | |
| 80. |
Which was not present freely in the early atmosphere of the earth?A. WaterB. Carbon monoxideC. HydrogenD. Oxygen |
| Answer» Correct Answer - D | |
| 81. |
When first formed the early earth was very hot. Its surface temperature wasA. `1000-1200^(@)`CB. `3500-4000^(@)`CC. `5000-6000^(@)`CD. `8000-10000^(@)`C |
| Answer» Correct Answer - C | |
| 82. |
As the earth started condensing which of the following passed to core of the earth?A. SiliconB. AluminiumC. NickelD. All of these |
| Answer» Correct Answer - C | |
| 83. |
The temperature at the core of sun is aboutA. 1 million`.^(@)C`B. 10 million`.^(@)C`C. `20 million CD. 100 million `.^(@)C` |
| Answer» Correct Answer - C | |
| 84. |
Surface temperature of Sun isA. 2000-`3000^(@)`CB. `6000^(@)`CC. `10000^(@)`CD. `50000^(@)`C |
| Answer» Correct Answer - B | |
| 85. |
The first organisms wereA. chemoautotrophsB. ChemoheterotrophsC. AutotrophsD. Eucaryotes |
| Answer» Correct Answer - B | |
| 86. |
In astronomical units, the distance between earth and sun isA. 1B. 4.2C. 14.5D. 21 |
| Answer» Correct Answer - A | |
| 87. |
Earth completes one spin over its axis inA. 24 hrsB. 24 hrs and 3 minC. 23 hrs 56 min and 4.1 secD. 23 hrs 59 min and 15.3 sec |
| Answer» Correct Answer - C | |
| 88. |
Amount of Hydrogen undergoing nuclear fusions per second in the core of sun is aboutA. 40,000 tonnesB. 400,000 tonnesC. 4 millin tonnesD. 40 million tonnes |
| Answer» Correct Answer - C | |
| 89. |
In the region of poles, earth isA. protrudedB. DepressedC. LevelD. Irregular |
| Answer» Correct Answer - B | |
| 90. |
Which one is maximum in sun?A. HydrogenB. HeliumC. CarbonD. Oxygen |
| Answer» Correct Answer - A | |
| 91. |
Ozone of ozonosphere is formed fromA. Nitrogen oxides and oxygenB. Chlorine, water and oxygenC. Oxygen and oxygenD. All the above |
| Answer» Correct Answer - C | |
| 92. |
Ozonosphere is component ofA. TroposphereB. StratosphereC. MesosphereD. Thermosphere |
| Answer» Correct Answer - B | |
| 93. |
Ozonosphere occurs at a height ofA. 8-10 km above polesB. 8-10 km above equaterC. 11-16 km above polesD. 11-16 km above equater |
| Answer» Correct Answer - C | |
| 94. |
The first living form resulting from the final stage of chemical evolution of life is calledA. PrebiontB. ProtobiontC. ProtenoidD. Probiont |
| Answer» Correct Answer - B | |
| 95. |
Abiogenesis meansA. Spontaneous generationB. Origin of life from living organismsC. Origin of life from living organismsD. Origin of life from microbes |
| Answer» Correct Answer - A | |
| 96. |
Pasteurization means:A. vaccination against smallpoxB. techinque for curing dog biting caseC. heating milk or liquid at `62^(@)C` for 30 minutesD. sterilization by steam at `120^(@)`C for 15 minutes |
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Answer» Correct Answer - C Pasteurization is a heating proceses introduced by Louis Pasteur desined to reduce the number of harmful microbes in materials such as milk, wine or cheese. |
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| 97. |
Of the following which mixyure, Miller used to solve the problem of origin of life ?A. Ethene -Ammonia -Oxygen -WaterB. Methane -Ammonia -Oxygen -WaterC. Ethene -Ammonia -Hydrogen -WaterD. Methane -Ammonia -Hydrogen -Water |
| Answer» Correct Answer - D | |
| 98. |
Formation of most of the amino acids as well as adenine and other uncleic bases from inorganic moleciles was wxperimentally shown by :A. Hugo de VriesB. H. Urey and S.L.MillerC. A.I Oparin and J.B.S. HaldaneD. Lazaro sSpallanzani and Louis Pasteur |
| Answer» Correct Answer - B | |
| 99. |
Artificial synthesis of ATP, porphyrins and nucleotides was achieved byA. MillerB. UreyC. FoxD. Bahadur |
| Answer» Correct Answer - C | |
| 100. |
Origin of life as a result of chemical evolution was properly explained by :A. FoxB. MillerC. OparinD. Haeckel |
| Answer» Correct Answer - B | |