Biology MCQs

11. In the eye donation, which part of the eye is transplanted from the donor? (UPSC Prelims 2001)
[A] Cornea
[B] Lens
[C] Retina
[D] The whole eye

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12. Which vitamin is also called as riboflavin?
[A] Vitamin B1
[B] Vitamin B2
[C] Vitamin B3
[D] Vitamin B6

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13. A.I. Oparin is related to which of the following theories in the field of biology?
[A] Chemosynthetic theory
[B] A Theory of Life
[C] Infectious Disease Theory
[D] A Theory of the Origin of Eukaryotic Cells

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14. Who among the following discovered Vitamin E?
[A] Evans and Bishop
[B] Henrik Dam
[C] Harry Holmes and Ruth Corbet
[D] Sir Edward Mellanby

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15. The protein from which the hooks and filaments of the flagella are made is called?
[A] keratin
[B] flagellin
[C] gelatin
[D] casein

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16. Covered smut of Sorghum is caused by which of the following?
[A] Sphacelotheca sorghi
[B] Sphacelotheca cruenta
[C] Sphacelotheca reiliana
[D] Tolyposporium ehrenbergii

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17. Which of the following is wrong for bryophytes?
[A] Vascular tissue lacking clear
[B] Independent sporophyte absent clear
[C] Gametophyte reduced and dependent done
[D] Asexual reproduction by zoospores absent

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18. In gymnosperms, pollen drop is the__?
[A] Red drop
[B] Pollens dropped by wind
[C] Secretion of nucellus
[D] Water drops

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19. Which of the following is called Calyx?
[A] the outermost whorl of a flower
[B] consists of many numbers of petals
[C] four-lobed sac-like structure responsible for pollen formation
[D] thread-like structures are attached to the anther

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20. Which of the following is an example of a plant with a Fibrous Root System?
[A] Carrot
[B] Onion
[C] Oak Tree
[D] Turnip

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