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InterviewSolution
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Shabana and Shanaaz were discussing about the origin of life on the earth. They exchanged hot arguments at length about, whether or not the life is even to-day still originating on the earth. Prof. Dr. Deepak Gupta a biology teacher who happened to be their neighbour and per chance listening to the girls called them and explained the matter in detail.Answer the following questions on the basis of above information. (i) What would be your answer to the above problem? Explain giving reasons. (ii) Recall Miller's experiment which simulated the primitive earth atmosphere. (iii) What would have been the energy source for the origin of life on the earth. Energy was provided, what products were formed in the experiment. (iv) What values were exhibited by Dr. Deepak Gupta the Biology teacher. |
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Answer» (i) There is no origin of life on the earth taking place today because the earth atmosphere is not reducing but it is oxidising. (ii) The energy was provided by an electric discharge and by heating the water chamber and the products obtained in the experiment were amino acids. (iii) Solar radiations with UV-rays & lightning (electrical discharges) and other high energy rays etc. should have been the energy sources required for the origin of life on the earth. (iv) The values exhibited by the biology teacher Deepak Gupta are : (a) caring for his neighbours. (b) desire to disseminate knowledge as a teacher and (c) the sound knowledge of the subject. |
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