Biology MCQs

11. What field in which “Luc Montagnier” is famous for?
[A] Discovery of Ebola Virus
[B] Discovery of Influenza Virus
[C] Discovery of Human Immunodeficiency Virus
[D] Discovery of Polio Virus

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12. Which modern concept was pioneered by Rudolf Virchow?
[A] pathological processes
[B] process of fermentation
[C] isotopes as tracers to study chemical and biological processes
[D] None of these

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13. Who has introduced Two Kingdom Classification?
[A] Carolus Linnaeus
[B] Ernest Haeckel
[C] Copeland
[D] RH Whittaker

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14. Who among the following discovered the plasma membrane?
[A] Robert Hooke
[B] Albert von Kolliker
[C] George E. Palade
[D] Rudolf von Kölliker

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15. A segment of DNA consists of 120 adenine and 120 cytosine bases. What is the total number of nucleotides present in the segment?
[A] 120
[B] 240
[C] 345
[D] 480

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16. Which is the largest Bryophyta?
[A] Funaria (Moss)
[B] Marchantia
[C] Megaceros
[D] Dowsonia

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17. Name the plant tissue which helps in the transport of food.
[A] Xylem
[B] Aerenchyma
[C] Phloem
[D] Chlorenchyma

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18. The structural unit of photosynthesis is___.
[A] Thylakoid
[B] Grana
[C] Chlorophyll
[D] None

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19. The importance of day length in plants was first shown in__?
[A] Barley
[B] Lettuce
[C] Tobacco
[D] Tomato

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20. Which disease is known as the killer disease of wheat?
[A] Stem rust
[B] Loose smut
[C] Flag smut
[D] Karnal bunt

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