Biology MCQs

11. What is Georgios Papanikolaou famous for?
[A] As an inventor of Odometer
[B] As an inventor of Pointed arch bridge
[C] As an inventor of Counterweight Trebuchet
[D] As an inventor of Pap smear test

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12. Which branch of biology is known for the study of plant fossils?
[A] Paleobotany
[B] Morphology
[C] Lichenology
[D] Agronomy

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13. Which of the following algae is used to make iodine?
[A] Macrocystis
[B] Surgassum

[C] Synechococcus
[D] Anabina

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14. What is another name for cyanobacteria?
[A] Blue-green algae
[B] Protists
[C] Golden algae
[D] Slime moulds

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15. rRNA is synthesized by which of the following?
[A] Nucleus
[B] Nucleolus
[C] Golgi body
[D] Cytoplasm

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16. How do small molecules pass through the outer membrane of mitochondria?
[A] Carrier protein
[B] Channels
[C] Porins
[D] ATP pump

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17. Which bacteria are involved in the oxidation of ammonia into nitrate?
[A] Acetobactor
[B] Nitrococcus
[C] Nitrobacter
[D] Both Nitrococcus and Nitrobacter

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18. What is a saprophytic bryophyte?
[A] Buxbaumia aphylla
[B] Ricciocarpus natans
[C] Riccia fluitans
[D] Radula sp

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19. Venation is a term used to describe the pattern of arrangement.
[A] Flowers in inflorescence
[B] Veins and veinlets in a lamina
[C] Floral organs
[D] All of these

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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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