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 is the function of the liver? (UPSC Prelims 1979).
[A] Promote digestion of food
[B] Promote respiration
[C] Store glucose as glucogen
[D] None of these

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13. By which of the following methods the age of tree can be estimated? (UPSC Prelims 1983)
[A] Counting the number of concentric rings
[B] Counting the nodes and internodes of the trunk
[C] Measuring the girth of the tree trunk
[D] Counting the number of branches

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14. ‘Lathyrism’ is a crippling disease caused by eating which of the following? (UPSC Prelims 1989)
[A] Tinned fish
[B] Chick pea and pulses
[C] Meat
[D] Adulterated oil

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15. Match List I and List II and select the correct answer by using the codes given below the lists:

List I List II
I. Malaria (A) Bone marrow
II. Filaria (B) Brain
III. Encephalitis (C) Muscle
IV. Leukaemia (D) Lymph node
  (E) Blood cells

Codes: (UPSC Prelims 1997)

[A] I-E, II-C, III-B, IV-A
[B] I-E, II-D, III-B, IV-A
[C] I-D, II-C, III-E, IV-A
[D] I-E, II-D, III-A, IV-B

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16. “Athlete’s Foot” is a disease caused by which of the following microorganisms? (UPSC Prelims 2001)
[A] Bacteria
[B] Fungus
[C] Protozoan
[D] Nematode

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17. Which of the following is studied in Ethnobotany?
[A] Practical use of plants by local culture and people
[B] Relations between Plants and peoples Behvaior
[C] Comparison of different plants in a particular area
[D] Study of relations of plants, animals and animals in an area

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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 viruses is not linked to human cancer?
[A] Hepatitis C virus
[B] Hepatitis B virus
[C] Varicella-Zoster virus
[D] Herpes simplex virus type 2

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20. Which of the following is a group of plants that has the largest ovule, the largest gamete and the largest tree?
[A] Angiosperms
[B] Gymnosperms
[C] Pteridophytes
[D] Bryophytes

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