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#Question id: 4572


Of the following anatomical structures, which is homologous to the wing of a bird?

#SCPH06 I Botany
  1. Dorsal fin of a shark

  2. Hindlimb of a kangaroo

  3. Wing of a butterfly

  4. Flipper of a cetacean


Answer:- Option(s): 4


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An aluminium pot contains water that is kept steadily boiling (100 °C). The bottom surface of the pot, which is 0.012 m thick and 1.5 x 104 mm2 in area, is maintained at a temperature of 102 °C by an electric heating unit. Find the rate at which heat is transferred through the bottom surface. Given k= 235 W.m-1.K-1

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