Biology MCQs

11. The highest fat content is found in the milk of which of the following animals? (UPSC Prelims 1991)
[A] Buffalo
[B] Cow
[C] Camel
[D] Reindeer

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12. Which one of the following types of micro-organisms is most widely used in industries? (UPSC Prelims 1998)
[A] Bacteria
[B] Bacteria and fungi
[C] Bacteria and algae
[D] Bacteria, micro-algae and fungi

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13. Which one of the following organisms can serve as a biofertiliser for rice crop? (UPSC Prelims 2000)
[A] Blue-green algae
[B] Rhizobium sp
[C] Mycorrhizal fungi
[D] Azotobacter sp

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14. Which of the following defines an Antigen? (UPSC Prelims 2001)
[A] destroys harmful bacteria
[B] is used to treat poisoning
[C] lowers body-temperature
[D] stimulates formation of antibody

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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 among the following is not a bio-fertilizer?
[A] Vermi compost
[B] Urea
[C] Azobacter
[D] Clostridium

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17. Who is the father of Modern Botany?
[A] Carl Linnaeus
[B] Theophrastus
[C] Robert Hooke
[D] Krateuas

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18. What are cryptogamous plants?
[A] Flowerless plant
[B] Seedless Plant
[C] Reproduce by spores
[D] All of the above

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19. In what form do fungi store food?
[A] Lipid
[B] Starch
[C] Oil and glycogen
[D] Protein

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20. Wounds on the chorioallantoic membrane are produced by__?
[A] Herpes B virus
[B] Vaccinia virus
[C] Herpes simplex virus
[D] all of these

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