Biology MCQs

11. Who among the following was awarded the Nobel Prize in Medicine in 1926 for his contribution to cancer research?
[A] Christiaan Eijkman
[B] Johannes Fibiger
[C] Julius Wagner-Jauregg
[D] Charles-Jules-Henri Nicolle

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

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13. Which of the following give maximum energy after breaking down?

[A] Fat
[B] Sugar
[C] Carbohydrate
[D] Protein

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14. Which Viruses are Relatively Thermostable?
[A] Human immunodeficiency virus
[B] Rubella virus
[C] Hepatits A virus
[D] Influenza virus

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15. Plants that reproduce by spores are classified into which of the following?
[A] Bryophytes
[B] Sporophytes
[C] Cryptogams
[D] Thallophytes

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16. Which of the following may be most likely to be missing from a gram-positive bacterium?
[A] Penicillin-binding protein
[B] Peptidoglycan
[C] Lipopolysaccharide
[D] Phospholipid bilayer membrane

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17. Covered smut of Sorghum is caused by which of the following?
[A] Sphacelotheca sorghi
[B] Sphacelotheca cruenta
[C] Sphacelotheca reiliana
[D] Tolyposporium ehrenbergii

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18. Alpha-ketoglutarate dehydrogenase results in__?
[A] Oxidation and Decarboxylation
[B] Shortage
[C] oxidation
[D] none of these

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19. Which of the following is not a function of Ethylene?
[A] stimulates the conversion of starch and acids to sugars
[B] promotes germination in some cereals
[C] stimulate shoot elongation, seed germination
[D] fruit ripening, flower wilting, and leaf fall

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20. There are two nuclei at the end of the pollen tube, what are they called?
[A] Tube nucleus and a generative nucleus
[B] Sperm and ovum
[C] Generative nucleus and stigma
[D] Tube nucleus and sperm

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