Biology MCQs

11. Which branch of biology is known for the study of flowers?
[A] Dendrology
[B] Anatomy
[C] Agrostology
[D] Anthology

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12. Who discovered cell differentiation?
[A] Walther Flemming
[B] Edwin John Butler
[C] Karl Ernst von Baer
[D] Parthasarthy Iyengar

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13. Which of the following virus has its envelope from the host cell nucleus?
[A] Paramyxoviruses
[B] Retroviruses
[C] Orthomyxoviruses
[D] Herpesviruses

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14. What is the fusion of mature individuals that directly act as gametes called?
[A] Isogamy
[B] Anisogamy
[C] Hologamy
[D] Autogamy

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15. In which of the following groups would you place a plant that produces spores and embryos but lacks seeds and vascular tissue?
[A] Fungi
[B] Bryophytes
[C] Pteridophytes
[D] Gymnosperms

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16. Which of the following is a true moss?
[A] Club moss
[B] Reindeer moss
[C] Irish moss
[D] Bogg moss (Sphagnum)

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17. Fruits are not found in gymnosperm plants because__?
[A] They are seedless plants
[B] They are not pollinated
[C] They have no ovary
[D] Process of fertilization does not take place in them

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18. What is the most important function of the leaves?
[A] Photosynthesis
[B] Transpiration
[C] Guttation
[D] Storage

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19. Which of the following serves as a storage room for starch in vegetables and fruits?
[A] parenchymatous
[B] collenchyma
[C] sclerenchyma
[D] All of the above

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20. Which of the following is not a function of Ethylene?
[A] stimulates the conversion of starch and acids to sugars
[B] promotes germination in some cereals
[C] stimulate shoot elongation, seed germination
[D] fruit ripening, flower wilting, and leaf fall

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