Biology MCQs

11. “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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12. Which one of the following is monogamous? (UPSC Prelims 2002)
[A] Wolf
[B] Walrus
[C] Seal
[D] Deer

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13. Which of the following protects the body from infectious disease?
[A] Leukocytes
[B] Red Blood Cells
[C] Endoplasmic Reticulum
[D] Golgi Bodies

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14. Which of the following is milk sugar?
[A] Glucose
[B] Maltose
[C] Fructose
[D] Lactose

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15. Which of the following viruses shows the transformation of infected cells?
[A] Hepatitis B virus
[B] Human T cell lymphotronic virus type I
[C] Epstein-Barr virus
[D] All of these

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

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17. What are the gametes produced by meiosis called?
[A] Coenogametes
[B] Meiogametes
[C] Mitogametes
[D] None of these

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18. Which of the following is a calyx?
[A] the second whorl of a flower
[B] the third whorl of the flower
[C] the outermost whorl of a flower
[D] None of these

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19. Where is the phloem located?
[A] outer side of the vascular bundle.
[B] centre of the vascular bundle
[C] marginal regions of leaves and stems
[D] None of these

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20. What is the role of indole acetic acid in plant growth?
[A] cell division and elongation
[B] tissue differentiation
[C] apical dominance
[D] All of the above

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