ETEA MDCAT 2022 PAPER (PART 6) 1. The term “survival of the fittest ” was used by Herbert spencer Darwin Lamarck Mayr 2. The raw material that is used by natural selection for better survival is / are Similarity only Variation and mutation Variation only Mutation only 3. The archaeopteryx is a fossil bird which possesses the character of both Fishes and amphibians Amphibians and reptiles Reptiles and birds Variation and mutation 4. A condition characterized by hypothyroidism and enlargement of thyroid gland is known as Expothalmia Gigantism Goiter Graves disease 5. The percentage of carbon dioxide carried as carboxyhaemoglobin is 23% 70% 7% 15% 6. A small biological unit that can evolve over time is An organism Population Specie Cell 7. The most abundant element present in human body is____ Manganese Carbon Nitrogen Sulphur 8. Mammals become dominant in Paleozoic period Cenozoic period Mesozoic period Jurassic period 9. A hemoglobin molecule consists of______ amino acids 674 474 574 874 10. Steriod is formed by backbone of four fused carbon rings containing 16 carbon atoms 18 carbon atoms 14 carbon atoms 17 carbon atoms Loading … Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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