Biology MCQs

11. Guinea pigs used in medical research belong to which of the following categories? (UPSC Prelims 1989)
[A] Rodents
[B] Black swine
[C] Stocky and brown in colour
[D] Found in Asia only

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12. Heart has four chambers, left & right ventricles and left & right atria which are synchronized to act together. A condition in which synchronism does not take place is known as ____?
[A] Fasciculation
[B] Fibrillation
[C] Myokymia
[D] Cramp

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13. Who among the following is considered to be the father of neuroscience?
[A] Santiago Ramón y Cajal
[B] James Black
[C] Erwin Chargaff
[D] Jacques Cousteau

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14. Who is known as the ‘Father of Bacteriology’?
[A] Louis Pasteur
[B] Leeuwenhoek
[C] Robert Hooke
[D] Edward Jenner

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15. What is the shape of enveloped viruses?
[A] icosahedral
[B] helical
[C] roughly spherical
[D] complex

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16. Which bacteria are helpful in the Nitrification Process?
[A] Acetobacter
[B] Nitrosococcus

[C] Campylobacter
[D] Actinomycetes

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17. Where are sexual reproduction and mobile cells absent?
[A] Chlorophyceae
[B] Rhodophyceae
[C] Myxophyceae
[D] Phaeophyceae

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18. Iodine is obtained from which of the following members?
[A] Green algae
[B] Brown algae
[C] Red algae
[D] Blue green algae

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19. Which of the following are the functions of the xylem?
[A] transports food through the leaf
[B] transports water from the roots to the leaves
[C] role in the survival of a plant
[D] None of these

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20. Which of the following is an example of Phylum Arthropoda?
[A] Octopus
[B] Starfish
[C] Scorpion
[D] None of these

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