Quiz on Botany for 12th Students

Read multiple choice objective questions on botany. Topics: Cell and cell structure xylem, phloem, Calvin cycle, C4 cycle, botanical classification, Plant Growth Hormones, cambium, stomata, plant tissue, recombinant DNA technology, other important topics.

NameQuiz on Botany
Number of questions35 questions with answer key, explanation, and references

Also read: Multiple Choice Questions On Plant Physiology (MCQ)

Quiz on botany

Question 01. To which field does Carl Linnaeus belong?

(a). Botany.
(b). Zoology.
(c). Taxonomy.
(d). All of the above.

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Question 02. What is Live-cell imaging?

(a). It is the study of living cells using time-lapse microscopy.
(b). It is the study of living cells using real time imaging.
(c). It is the study of living cells using reel imaging.
(d). All of the above.

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Question 03. Who invented phase contrast microscopy?

(a). Kurt Michel.
(b). Julius Ries.
(c). Frits Zernike.
(d). Alfred Clebsch.

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Question 04. Which is an example of haploid?

(a). Bees.
(b). Wasps.
(c). Ants.
(d). All of the above.

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Question 05. What is the haploid number of apple?

(a). 17.
(b). 21.
(c). 27.
(d). 19.

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Question 06. In which organism is Calvin cycle present?

(a). All prokaryotes.
(b). All eukaryotes.
(c). All photosynthetic eukaryotes.
(d). None of the above.

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Question 07. Where is Lloyd’s Botanical Garden located?

(a). Bangalore, Karnataka.
(b). Jaipur, Rajasthan.
(c). Coimbatore, Tamil Nadu.
(d). Darjeeling, West Bengal.

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Question 08. What is the original language of Species Plantarum?

(a). Greek.
(b). Latin.
(c). English.
(d). Swedish.

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Question 09. Which one is the guiding principle in botanical nomenclature?

(a). Place.
(b). Priority.
(c). Species
(d). Origin.

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Question 10. Which one is the location of casparian strip?

(a). Cortex.
(b). Epidermis cells.
(c). Endodermis cells.
(d). None of the above.

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MCQ on botany

Question 11. Which is a growth retardant plant hormone?

(a). Auxin.
(b). Gibberalin.
(c). Cytokinin.
(d). Abscisic acid.

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Question 12. Which is true about plant cell wall?

  1. Cell walls are also present in animals.
  2. It works as pressure vessels.
  3. Tonoplast is not a component of plant cell.
  4. Cellulose, hemicellulose, and pectin are the major composition of a plant cell.
  5. Plant cell walls vary from 0.1 to several µm in thickness.

(a). Only 1, 3, and 5 are true.
(b). Only 2 and 4 are true.
(c). Only 2, 4, and 5 are true.
(d). All are true.

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Also read: Plant Breeding (Genetics) Multiple Choice Questions

Question 13. In which substance is middle lamella rich?

(a). Carbohydrates.
(b). Protein.
(c). Fat.
(d). Pectins.

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Question 14. Monoecious flowers are the most characteristic symptom of which family?

(a). Cucurbitaceae.
(b). Malvaceae.
(c). Cruciferae.
(d). Fabaceae.

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Question 15. Consider about the following statements:

  1. Red flowering plant is RR.
  2. White flowering plant is rr.
  3. Species is same.
  4. F1 hybrid is Rr.
  5. Flowers of F1 is pink.

What does this result indicate about R?

(a). Dominant.
(b). Non dominant.
(c). Incomplete dominant.
(d). Mutant.

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Question 16. Which is not an example of monocotyledon plant?

(a). Maize.
(b). Oat.
(c). Onion.
(d). None of the above.

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Question 17. In which plant family are anisocytic stomata present? 

(a). Brassicaceae.
(b). Solanaceae.
(c). Crassulaceae.
(d). All of the above.

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Question 18. How many types of stomata are present in ferns?

(a). 3 types.
(b). 4 types.
(c). 5 types.
(d). 2 types.

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Also read: Multiple Choice Questions On Plant Pathology

Online mock test on botany

Question 19. Which is the right sequence in a taxonomical structure?

(a). Kingdom > Class > Phylum > Genus > Order > Family > Species.
(b). Kingdom > Phylum > Order > Class > Genus > Family > Species.
(c). Kingdom > Phylum > Class > Order > Family > Genus > Species.
(d). Kingdom > Class > Family > Order > Family > Genus > Species.

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Question 20. Which is a self pollinated crop?

(a). Wheat.
(b). Maize.
(c). Both a and b.
(d). Date.

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Question 21. What is the scientific name of potato?

(a). Solanum nigrum.
(b). Solanum tuberosum.
(c). Solanum melongena.
(d). None of the above.

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Question 22. To which family do Cole crops belong?

(a). Solanaceae.
(b). Malvaceae.
(c). Fabaceae.
(d). Cruciferae.

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Question 23. On which factor does the opening and closing of stomata depend?

(a). Turgidity of gaurd cells.
(b). Size of gaurd cells.
(c). Shape of gaurd cells.
(d). Number of gaurd cells.

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Question 24. Which type of cells are responsible for the secondary growth in plants?

(a). Pith cells.
(b). Phloem cells.
(c). Xylem cells.
(d). Cambium cells.

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Question 25. By which name is pith also known?

(a). Medulla.
(b). Sponges.
(c). Vacuolus.
(d). None of the above.

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Question 26. Which type of roots are responsible for water absorption?

(a). Root hairs.
(b). Root top.
(c). Root bottom.
(d). All of the above.

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Question 27. In which fruit plant are hermaphrodite flowers present?

(a). Mango.
(b). Apple.
(c). Ber.
(d). Papaya.

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Also read: Papaya hermaphrodite flowers Identification

Biology quiz

Question 28. Which is the field of study of cells?

(a). Phenology.
(b). Paleobotany.
(c). Cytology.
(d). None of the above.

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Question 29. Which technology is used to make a GM crop?

(a). Recombinant DNA technology.
(b). PCR technology.
(c). Artificial hybridization.
(d). All of the above.

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Question 30. Marshall Davidson Hatch was involved in the discovery of C4 carbon fixation. Who was another discover? 

(a). Michael Grimm.
(b). Janson Fried.
(c). Nicolas Cage.
(d). Charles Rover.

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Question 31. Which one is vascular tissue?

(a). Veins.
(b). Primordia.
(c). Leaf surface excluding veins.
(d). None of the above.

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Question 32. Which type of tissue is xylem?

(a). Protecting tissue.
(b). Transport tissue.
(c). Blocking tissue.
(d). None of the above.

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Question 33. Which is not true about xylem?

  1. It transports water.
  2. It transports nutrients.
  3. Wood is a best example of xylem tissue.
  4. Carl Nägeli introduced the term xylem.
  5. Primary xylem includes protoxylem but it doesn’t include metaxylem. 

(a). 5.
(b). 3.
(c). 2.
(d). 1.

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Question 34. Which one is the major work phloem?

(a). Transport of water.
(b). Transport of organic compounds.
(c). Both a and b.
(d). None of the above.

See answer

Question 35. Where is phloem present in a plant?

(a). Heartwood.
(b). Bark.
(c). Wood peripheral.
(d). None of the above.

See answer


02: Jaiswal et al. (2004). Use of quantum dots for live cell imaging. Nature Methods.

06: National Geographic Society. Calvin Cycle. November 26, 2011. Reference date: January 06, 2022.

07: Coordinates of Lloyd’s Botanical Garden, Google Earth. See location on Google Earth.

11: Plant Hormones an overview. Science Direct. Reference date: January 06, 2022.

12: Campbell et al. (2008). Biology (8th edition). pp. 118. ISBN 978-0-8053-6844-4.

19: Raven et al. (1971). The Origins of Taxonomy. Science new series. p. 1210.

23: Swarthout D., and Hogan C.M. (2010). Stomata. Encyclopedia of Earth. National Council for Science and the Environment, W. DC, USA.

27: Tamil Nadu Agricultural University. Cultivation of fruit crop. Url: www.tnau.nic.in.

28: History of the Cell: Discovering the Cell. National Geographic Society. (2019, May 22). Reference date: January 05, 2022.

29: Eric D. and Green M.D. Recombinant DNA (rDNA). National Human Genome Research Institute. Reference date January 05, 2022.

32 and 33: Anthony et al. (2007). Plant solute transport. Oxford United Kingdom. Blackwell Publishing. pp. 221. ISBN 978-1-4051-3995-3.

34 and 35: Raven et al. (1992). Biology of Plants. New York, USA. Worth Publishers. pp. 791. ISBN 978-1-4292-3995-0.

Cambium. URL: www.botanydictionary.org/cambium.html

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