Biology MCQs

11. Which of the following can be done in the cultivation of plant viruses?
[A] tissue culture
[B] cultures of separated cells
[C] whole plants
[D] all of these

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12. Which of the following is a plant without seed vascular tissue?
[A] Angiosperm
[B] Pteridophytes
[C] Bryophytes
[D] Gymnosperms

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13. Which of the following does not have a complete cell wall?
[A] blue-green algae
[B] Saccharomyces
[C] sea fan
[D] cyanobacteria

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14. In pteridophytes, which of the following is the dominant generation?
[A] gametophytic
[B] haploid
[C] diploid
[D] triploid

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15. 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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16. Which of the following tissue provides strength to the plant?
[A] Intercalary
[B] Parenchyma
[C] Sclerenchyma
[D] Collenchyma

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17. In which of the following colour, rate of photosynthesis is maximum?
[A] Red
[B] Blue
[C] Green
[D] Yellow

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18. An anaerobic process in which energy can be released from glucose even when oxygen is not available is called__.
[A] Putrefaction
[B] Fermentation
[C] Glycolysis
[D] None of these

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19. __ tissues synthesize natural cytokinins.
[A] Old
[B] Rapidly dividing
[C] Storage
[D] None of the above

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20. Pollination where the transfer of pollen between anthers and stigmas of different flowers of the same plant or different plants of the same species is called__.
[A] Self-Pollination
[B] Cross-Pollination
[C] Fertilization
[D] Adoption

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