Biology MCQs

11. Which bacteria do not have a cell wall and are therefore resistant to penicillin?
[A] Cyanobacteria
[B] Mycoplasmas
[C] Bdellovibrios
[D] Spirochetes

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12. Where does agar-agar come from?
[A] Gigartina
[B] Gelidium
[C] Gracillaria
[D] All the above

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13. Which of the following occurs in Bryophytes?
[A] Great economic value
[B] No value at all
[C] Great ecological importance
[D] A lot of aesthetic value

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14. Fruitless flowering plants are called__?
[A] Sterile plants
[B] Angiosperms
[C] Primitive
[D] Gymnosperms

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15. What does it act as a connecting link between angiosperms and gymnosperms?
[A] Gnetales
[B] Coniferales
[C] Ginkgoales
[D] Cycadales

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16. What is the arrangement of ovules inside the ovary called?
[A] Aestivation
[B] Placentation
[C] Hibernation
[D] Fragmentation

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17. What does apomixis mean?
[A] Fruit with seed
[B] Fruit without seed
[C] Fruit without fertilization
[D] Seed without fertilization

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18. Which characters are not typical to class Mammalia?
[A] Alveolar lungs
[B] Seven cervical vertebrae
[C] Thecodont dentition
[D] Ten pairs of cranial nerves

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19. The fish living in stagnant water is __
[A] Lepidosiren
[B] Protopterus
[C] Neoceratodus
[D] None of these

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20. Which of the following is commonly known as the narrow-mouthed frog?
[A] Ranidae
[B] Hylidae
[C] Myrohylidae
[D] Bufonidae

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