Biology MCQs

11. In humans, the sound is produced by the which of the following?
[A] epiglottis
[B] oesophagus
[C] larynx
[D] medulla

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12. Which of the following causes Dysentery and Influenza?
[A] Bacteria
[B] Viruses
[C] Bacteria and Viruses respectively
[D] Viruses and Bacteria respectively

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13. Which of the following clearly defines the meaning of Plankton? (UPSC Prelims 1982)
[A] A kind of fish
[B] A submerged platform in waters
[C] Drifting of organisms in a body of water
[D] A kind of animal living under water

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14. Consider the following effects of genetic engineering:

  1. Disease resistance
  2. Growth promotion
  3. Closing
  4. Longevity

Of these effects, those that have be entried out with a certain amount of success include (UPSC Prelims 1990)

[A] 1, 3 and 4
[B] 2, 3 and 4
[C] 1, 2 and 4
[D] 1, 2 and 3

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15. Which of the following are correctly matched pairs?

  1. Central Institute of Medicinal and Aromatic Plants – Lucknow
  2. Centre for DNA Finger Printing and Diagnostics – Hyderabad
  3. Institute of Microbial Technology – Chandigarh
  4. National Institute of Immunology – New Delhi

Select the correct option from the codes given below:
(UPSC Prelims 2001)

[A] Only 1 & 2
[B] Only 2 & 3
[C] Only 1 & 4
[D] 1, 2, 3 & 4

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16. Which of the following branch of biology deals with the study of mycoplasma?
[A] Mycoplasmology
[B] Limnology
[C] Ethnobotony
[D] None of these

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17. The study of ear, nose and throat is done in which of the following branches?
[A] Otorhinolaryngology
[B] Organology
[C] Ontogeny
[D] Ophthalmology

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18. Which branch of biology is known for the scientific study of the distribution of animals on Earth?
[A] Phytogeography
[B] Zoogeography
[C] Psychobiology
[D] Zoophytology

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19. Which of the following branch of biology deals with the study of behavioral aspects of animals?
[A] Myrmecology
[B] Palaeozoology
[C] Psychobiology
[D] Parazoology

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20. What is the approximate number of specific cells in the human body?
[A] 200 types
[B] 300 types
[C] 250 types
[D] 150 types

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