InterviewSolution
Saved Bookmarks
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.
| 201. |
The hypothesis that the early atomsphere, combined with an energy source, produced organic monomer was developed in the 1920s by :A. Oparin and HaldaneB. Curiee and pasteurC. Miller and UreyD. Fox and Pauling |
| Answer» Correct Answer - A | |
| 202. |
The theory of spontaneous generation of life was frfuted by ltbr I.Frencisco ReddiII.Louis PasteurIII.Lazzaro SpallanzaniIV.Von HelmontA. only IIIB. II and IIIC. III and IVD. I,II and III |
| Answer» Correct Answer - D | |
| 203. |
Bahadur (1958) obtained jivam or mixture of amino acids fromA. Formaldehyde and ammoniaB. Formaldehyde and ferrous chlorideC. Ferrous chloride and ammoniaD. Formaldehyde, ferrous chloride and ammonia. |
| Answer» Correct Answer - D | |
| 204. |
During the origin and evolution of life, key biological compounds were progressively synthesised in ocean with the help of energy obtained fromA. Combustion of certain compoundsB. UV light onlyC. Lightning and ultraviolet lightD. Lightning only |
| Answer» Correct Answer - C | |
| 205. |
The early belief of the spontaneous origin of life was disproved byA. Louis PasteurB. R KochC. LederbergD. C Darwin |
| Answer» Correct Answer - A | |
| 206. |
According to the theory of spontaneous generation :A. (a) Life originated from outer spaceB. (b) Life originated from decaying and rotting matter like straw, mud, etcC. (c) life came from pre-existing lifeD. (d) Life came from both living and non-living matter |
| Answer» Correct Answer - B | |
| 207. |
The age of oldest sedinentary rock is aboutA. 2.7-3.2 billion yearsB. 3.2-4.2 billion yearsC. 4.2-5.2 billion yearsD. 5.2-6.2 billion years |
| Answer» Correct Answer - A | |
| 208. |
Assertion: Each coacervate is composed of marcromoecules.Reason: Coacervates were the first living cell.A. Both Assertion and Reason are true and Reason is the correct explanation of AssertionB. Both Assertion and Reason are true, but Reason is not the correct explanation of AssertionC. Assertion is true, but Reason is falseD. Assertion is false, but Reason is true |
|
Answer» Correct Answer - C (c) Each coacervate was a cluster of macromolecules surrounded by a membrane. According to Oparin coacervates were the sole living molecules which gave rise to cells. |
|
| 209. |
In What respect, the heterotroph hypothesis differs from the early ideas of spontaneous generation?A. It assumed that spontaneous generation was a continuous precess that could happen even todyB. The idea of spontaneous generation maintained that complex organisms could arise suddenly from none -living matterC. The heterotroph hypothesis assumes that a very simple organism evolved slowly from non-living matter and this occurred in the primitive environmental conditionsD. In all of the above conditions |
| Answer» Correct Answer - D | |
| 210. |
The proteinoid colloidal aggregate obtained by Sydney Fox areA. CoacervatesB. MicrospheresC. Coacervates dropletsD. Colloids |
| Answer» Correct Answer - B | |
| 211. |
What prokaryotic adaptation accurred during the oxygen revolution and opended up the possibility for energhy demanding multicelluar life forms?A. Electron transport systemsB. Anaerobic fermentationC. Acrobic respirationD. Photosynthesis |
| Answer» Correct Answer - C | |
| 212. |
Which of the following in not found in a lipid coacervate droplet or a proteinoid mecrosphere?A. The ability to growB. A nucleusC. A two-layer boundaryD. Division by pinching in two layers |
| Answer» Correct Answer - B | |
| 213. |
A coacervate is aA. Nucleoprotain in natureB. Mixture of ammonia and waterC. Colloidal suspension in waterD. Mixture of contemporary bioprateins |
| Answer» Correct Answer - D | |
| 214. |
The coacervate hypothesis was given byA. AI OparinB. HaldaneC. Sydney FoxD. Darwin |
| Answer» Correct Answer - A | |
| 215. |
Swan-necked flask experiment related to theory of biogenesis was performed byA. Louis PasteurB. Robert KochC. Francisco RediD. Aristotle |
| Answer» Correct Answer - A | |
| 216. |
Organic compounds first evolved on earth and required for origin of life wereA. Proteins and nucleic acidsB. Urea and amino acidsC. Proteins and amino acidsD. Urea and nucleic acid |
| Answer» Correct Answer - A | |
| 217. |
Stanley Miller did his experiments and produced amino acids by electric discharge passed in `NH_(3),H_(2)O,CH_(4)` and ……… .A. oxygenB. hydrogenC. nitrogenD. carbon dioxide |
| Answer» Correct Answer - B | |
| 218. |
The concept of chemical evolution is based on :A. crystaaization of chemicalsB. effect of solar radiation on chemicalsC. interaction of water ,air and clay under intense heatD. possible origin of life by combination of chemicals under suitable environmental conditions |
| Answer» Correct Answer - D | |
| 219. |
How is iological evolution distinct from the chemical evolution?A. Biological evolution preceded chemical evolution during origin of lifeB. Not all organisms on earth undergo biological evolutionC. Biological evolution is not affercted by mutationD. Biological evolution happens when organisms could replicate |
| Answer» Correct Answer - D | |
| 220. |
The concept of chemical evolution is based on :A. Crystalisation of chemicalsB. Interaction of water, air and clay under intense heatC. Effect solar radiation on chemicalsD. Possible origin of life by combination of chemicals under suitable environmental conditions |
| Answer» Correct Answer - D | |
| 221. |
The first living organism had following mode of nutritionA. PhotoautotrophicB. ChemoautotrophicC. HeterotrophicD. aerobic photoautotophic |
| Answer» Correct Answer - C | |
| 222. |
Protocells were similar to the present dayA. VirusB. EukaryotesC. MycoplasmaD. Both (a)and (c) |
| Answer» Correct Answer - D | |
| 223. |
Which is the most important for origin of life?A. OxygenB. waterC. NitrogenD. Carbon |
| Answer» Correct Answer - B | |
| 224. |
For origin of life, the most important condition is the presence of :A. `O_(2)`B. CC. `N_(2)`D. `H_(2)O` |
| Answer» Correct Answer - D | |
| 225. |
Life originted in :A. airB. waterC. landD. all of these |
|
Answer» Correct Answer - B Water forms about 80% of the protoplasm. |
|
| 226. |
There is not life on moon because there is noA. waterB. NitrogenC. CarbonD. Silicate |
| Answer» Correct Answer - A | |
| 227. |
There is no life in moon due to the absence of :A. waterB. lightC. temperatureD. oxygen |
| Answer» Correct Answer - A | |
| 228. |
The basis of life is :A. lipidB. proteinC. Nucleic acidsD. nucleoprotein |
| Answer» Correct Answer - C | |
| 229. |
Chemical theory of origin of life was given by Or Who proposed that the first form of life could have come from pri-existing non living organic moleculesA. Stanley MillerB. Oparin and HaldaneC. SpallanzaniD. Louis Pasteur |
| Answer» Correct Answer - B | |
| 230. |
Cosmozoic theory of the origin of life was proposed by :A. Louis pasteurB. RichterC. AnaximanderD. Charles Dirwin |
| Answer» Correct Answer - B | |
| 231. |
Which of the following led J.B.S. Haldane to move to India in 1957?A. Unlimited fundB. Research facilitiesC. Teaching facilitiesD. Fascination with Hindu philosophy |
|
Answer» Correct Answer - D J.B.S. Haldane was born in England in 1892. His fascination with Hindu philosophy led him to move to India in 1957, whwew he containued his teaching and research in genetics. In his later years, Haldane adopted the Indian from of dress and a vegetarian diet and became an Indian citizen. |
|
| 232. |
Which English scientist worked on origin of life and finally settled in India?A. A.I. OparinB. J.B.S. HaldaneC. Father suarezD. Archbishop Ussher |
| Answer» Correct Answer - B | |
| 233. |
Which of the following is a factor against the theory of panspermia?A. Non-conductive conditions of extremely low temperature and lack of atmosphere in interplanetary space to lifeB. Very high flux of cosmic and ultraviolet radiation from the sunC. Utter dryness in interplantary spaceD. All of the above |
| Answer» Correct Answer - D | |
| 234. |
In the origin of life, microsphere are most primitive protobiont, which have a membrane of :A. fatsB. lipidsC. carbohydratesD. lipids and proteins |
| Answer» Correct Answer - D | |
| 235. |
Coacervates divide by the process ofA. Spore formationB. Binary fissionC. BuddingD. None of the above |
| Answer» Correct Answer - C | |
| 236. |
The membrane of which of the following is devoid of fatty acids?A. MicrosphereB. CoacervatesC. Prebiotic aggregatesD. Eukaryotes |
| Answer» Correct Answer - A | |
| 237. |
Theory of a abiogenesis isA. Theory of spontaneous creationB. Theory of special creationC. Cosmozoic theoryD. Theory of panspermia |
| Answer» Correct Answer - A | |
| 238. |
The theory of abiogenesis is also known asA. Germplasm theoryB. Theory of spontaneous generationC. Theory of panspermiaD. Oparin-Haldane theory |
| Answer» Correct Answer - B | |
| 239. |
The idea of spontaneous generation was supported byA. AnaximusB. AnximanderC. EmpedoclesD. Pasteur |
| Answer» Correct Answer - B | |
| 240. |
One of the greatest advocates of the theory fo special creation wasA. C. DarwinB. aristotleC. Father SaurezD. Huxley |
| Answer» Correct Answer - C | |
| 241. |
Theory of Spontaneous creation was supported byA. Van HelmontB. RediC. SpallanzaniD. Pasteur |
| Answer» Correct Answer - A | |
| 242. |
Who was one of the greatest advocates of theory of special creation :A. AristotleB. J.HuxleyC. C.DarwinD. Father Suarez |
| Answer» Correct Answer - D | |
| 243. |
Life was created by some supernatural power.This theory is:A. Spontaneous generationB. spore theoryC. Special creation theoryD. Oparin -Haldance theory |
| Answer» Correct Answer - C | |
| 244. |
Life was created by some supernatural power.This theory is:A. abiogenesisB. spore theoryC. special creation theoryD. spontaneous generation |
| Answer» Correct Answer - C | |