Biology MCQs

11. Haemoglobin is dissolved in the plasma of which of the following animals? (UPSC Prelims 1994)
[A] frog
[B] fish
[C] man
[D] earthworm

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12. Who among the following has defined race in population concept?
[A] Montagu
[B] Dobzhansky
[C] Templeton
[D] Hooton

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13. The theory of DNA structure and nature was propounded by __?
[A] Oswald Avery
[B] James Black
[C] Watson and Crick
[D] John Eccles

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14. Which is the largest phylum of Animalia?
[A] Arthropoda
[B] Annelida
[C] Moluska
[D] Aves

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15. Why don’t diatoms perish quickly?
[A] Because they are Chitinous
[B] because it has siliceous walls
[C] because Diatoms contain saline soil
[D] because their body is impervious to water

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16. Cell theory was formulated by __?
[A] Charles Darwin
[B] Theodor Schwann
[C] Robert Hooke
[D] Robert Koch

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17. Who among the following discovered the cell wall?
[A] Robert Hooke
[B] Boveri
[C] J Rhodin
[D] Van Beneden

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18. Which of the following viruses is not linked to human cancer?
[A] Hepatitis C virus
[B] Hepatitis B virus
[C] Varicella-Zoster virus
[D] Herpes simplex virus type 2

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19. Enzyme neuraminidase is carried by which of the following virus?
[A] Human immunodeficiency virus
[B] Epstein-Barr virus
[C] Influenza virus
[D] Adenovirus

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20. Which of the following is not a cause of Food Poisoning?
[A] Salmonella
[B] Campylobacter
[C] E. coli & Shigella
[D] Yersinia pestis

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