Biology MCQs

11. At what age Wisdom teeth normally grow? (UPSC Prelims 1985)
[A] 34—40 years
[B] 12—15 years
[C] 17—30 years
[D] 40—45 years

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12. Water hyacinth is related to which of the following genus? (UPSC Prelims 1988)
[A] Lemna
[B] Pistia
[C] Eichhornia
[D] None of these

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13. Which of the following microorganisms causes Ring worm? (UPSC Prelims 1990)
[A] Bacterium
[B] Fungus
[C] Virus
[D] Worm

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14. Which one of the following is not an essential micronutrient for plants? (UPSC Prelims 1996)
[A] Boron
[B] Zinc
[C] Sodium
[D] Copper

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15. Biometric is related to which of the following statement?
[A] the process of ageing, and the particular problems of old people
[B] heredity and variation
[C] body measurements and calculations related to human characteristics
[D] transmission of paternal traits to progeny

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16. The Study of Bryophytes & pteridophytes is known by Which terms?​
[A] Cytology
[B] Bryology
[C] Mycology
[D] Pomology

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17. Who gave the theory of Five King of Classification?
[A] RH Whittaker
[B] Ernest Haeckel

[C] Copeland
[D] Carolus Linnaeus

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18. Who is known as the “Father of Phycology”?
[A] Fritsch
[B] Papenfus
[C] Smith
[D] Morris

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19. Where are the protons stored in the mitochondria?
[A] inner membrane
[B] intermembrane space
[C] outer membrane
[D] none of these

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20. Which of the following is a heterotrophic plant?
[A] Parasitic

[B] Insectivorous
[C] Symbiotic
[D] All of these

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