Biology MCQs

11. In which of the following part of the cell does the pyruvic acid is broken down into carbon dioxide, water and energy?
[A] Mitochondria
[B] Chloroplast
[C] Nucleus
[D] Cytoplasm

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12. Which of the following does not hold true for Animal belonging to Phylum chordate?
[A] A post-anal part(tail) is present
[B] Notochord present
[C] Pharynx perforated by gill slits.
[D] Heart is dorsal(if present)

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13. 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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14. Which of the following is not the Class of Biomolecules?
[A] Carbohydrate
[B] Proteins
[C] Catalyst
[D] Nucleic acids and Lipids

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15. Virus size is usually measured by__?
[A] centimeters
[B] micrometers
[C] nanometers
[D] millimeters

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16. Which of the following statements regarding algae is incorrect.
[A] Most algae are photosynthetic
[B] Algae can be classified according to their pigments
[C] All algae are filamentous
[D] Spirogyra does not produce zoospores

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17. Which of the following includes ‘club fungus’ in this fungal division?
[A] Zygomycota
[B] Deuteromycota
[C] Basidiomycota
[D] Ascomycota

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18. Which of the following is not a characteristic of Bryophyta?
[A] Motile sperms
[B] Presence of archegonium
[C] Presence of archegonium
[D] Photosynthetically independent sporophyte

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19. What percentage of sunlight falls on the earth’s surface trapped by plants?
[A] 1%
[B] 2%
[C] 3%
[D] 4%

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20. Plants are the only organisms that can prepare food for themselves by using which of the following substances?
[A] water
[B] carbon dioxide
[C] minerals
[D] All of the above

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