Important Mcqs On Plant Systematics for BS Botany

1. Systema naturae a famous book was written by

A. G.G. simpson

B. Carlos linneus 

C. Fisher

D. None


2. Naming of living organisms is called:

A. Nomenclature

B. Classification

C. Taxonomy

D. All of above


3. Place of origin of angiosperm is 

A. Arctic

B. Pacific

C. Polar

D. Both a & b


4. Isoetes monocotyledonous theory was put forth by

A. Cambell

B. Engeler

C. Prantil

D. Thomas 


5. Saporta and Marion put forth theory 

A. Benetitalean

B. Caytonialeas

C. Pantoxylalean

D. Britanica


6. Sacrotesta is the feature present in

A. Isoetes 

B. Conifers

C. Pantoxylalean

D. Gnetales


7. Turn taxonomy was introduced to plant science by 

A. Linneus 

B. G.G. Simpsons 

C. A.P. Candolle

D. None


8. The word taxon was first used by …….  for plant group

A. Adolf Meyer

B. Herman j. laam

C. Both 

D. None


9. Four successive phase in classification of a taxom was achieved by

A. Davis

B. Heywood

C. Both 

D. None



10. Monoandria is the term used for 

A. One stamen 

B. One carpel

C. One Patel

D. One sepal


11. Kryptogamia is the term applied for 

A. Flower less 

B. Fruit less 

C. No pedicel

D.  All of these 


12. Bentham and hooker divided seed plant into …… orders

A. 201

B. 202

C. 220

D. 210


13. Major groups Thallophytes and Cormophytes were introduced by 

A. Robert Brown

B. A.P. Condole

C. Stephan Endlicher

D. Bantham


14. Who distinguished between gymnosperms and angiosperms 

A. Robert Brown

B. Bantham 

C. Hooker

D. Condolle 


15. Takhtajan system of classification is also known as

A. Natural system

B. Artificial system 

C. Modern system

D. None


16. Isolation is complete essential part of 

A. Loss of specie

B. Breeding

C. Replacement

D. Sustainability


17. Isolating mechanism is counted as

A. Intra barrier

B. Inter barrier

C. External barrier

D. Post barrier


18. Which are the causes of speciation

A. Geographical isolation

B. Spatial isolation

C. Reproductive isolation

D. All of these


19. Reproductive isolation includes

A. Prezygotic mechanism

B. Post zygotic mechanism

C. Both 

D. None


20. Habitat isolation is the type of 

A. Spatial Isolation

B. Postzygotic Isolation

C. Prezygotic Isolation

D. Ecological Isolation


21. Postzygotic isolating mechanism includes

A. Gametic mortality

B. Zygotic mortality

C. Hybrid sterility

D. All of these


22. Mechanical isolation is due to difference in

A. Genital organs

B. Morphology

C. Mutation

D. Reduction


23. Classification is needed for 

A.  Loss of data

B. Convenient study

C. Unnecessary data

D. None


24. Origin and evolution are determined by

A. Nomenclature

B. Fossils

C. Classification

D. Succession


25. Classification helps to develop………relation of groups

A. Phylogenetic

B. Superficial

C. Interspecific 

D. None


26. A positive predictive value is a …

A. Proportional Value

B. Deductive value

C. Divided value

D. None


27. An example of classifying is designating some papers as

A. Secret

B. Confidential

C. Loss

D. Both a and b


28. Variation the source of

A. Evolution

B. Development

C. Consistency

D. All


29. The variations that occur in graded series are called

A. Continuous

B. Non continuous

C. Both

D. None


30. The external factor for variation is

A. Light

B. Heat

C. Food

D. All


31. Triploidy is denoted by

A. 3n

B. 4n

C. 2n-1

D. All


32. Raw material for evolution is

A. Variation

B. Development

C. Speciation

D. All


33. Skin color in human is example of

A. Continuous Variation

B. Non continuous variation

C. Both 

D. None


34. Inflorescence of family Asteraceae is

A. Verticillaster 

B. Cyathium 

C. Catkin 

D. Capitulum 


35. Family Brassicaceae/cruciferae is characterized by 

A. Marginal placentation 

B. Parietal Placentation 

C. Basal placentation 

D. Axile placentation 

 

36. Peculiar feature in the ovary of Brassicaceae is presence of 

A. Parietal placentation 

B. False Septum 

C. Bilocular ovary 

D. Both A and B 


37. Scientific name of black mustard

A. Brassica Nigra

B. Brassica olerecae

C. Brassica bursa

D. Iberis amara


38. Wall flower, an ornamental and medicinal plant of Brassicaceae, is 

A. Brassica alba 

B. Cheiranthus Cheiri 

C. Lepidium sativa 

D. Matthiola incana 


39. Flower of Brassica is 

A. Incomplete 

B. Pedicillate 

C. Irregular 

D. Zygomorhic 


40. Roots of Asteracea family are

A. Fibrous root 

B. Tap root 

C. Root tubers 

D. Epiphytic roots 


41. Fruit in family Astereceae is 

A. Siliqua 

B. Nut 

C. Capsule 

D. Cypsela


42. Gamosepalus condition represents ……

A. Fused calyx

B. Separated petals

C. Fused corolla

D. Fused ovary


43. Capsicum annum belongs to family

A. Poaceae

B. Rosaceae

C. Fabaceae

D. Solanaceae


44. In floral formula “G” represents

A. Calyx

B. Corolla

C. Gynoecium

D. Androecium

45. Gum is obtained from

A. A.nilotica

B. A.senegal

C. Both

D. None


46. Corn has scientific name as

A. Zea mays

B. Triticum vulgare

C. Avena sativa

D. Oryza sativa


47. Sessile are called so for having no

A. Pinna

B. Leaf blade

C. Midrib

D. Pedicel


48. Which type of seeds of Poaceae family have

A. Endospermic

B. Exospermic

C. Thallus like

D. Conidia type


49. All the cereals and millets belongs to family

A. Solanaceae

B. Rosaceae

C. Poaceae

D. None


50. Fibers are obtained from leaves of

A. S.munja

B. S.sativa

C. O.sativa

D. Bambusa


51. Sugarcane belongs to family

A. Solanaceae

B. Rosaceae

C. Poaceae

D. None


52. A8 stands for

A. Many stamens

B. Many anthers

C. Alone stamen

D. None


53. Which family belongs to greatly cold regions

A. Solanaceae

B. Rosaceae

C. Poaceae

D. None


54. Cassia sub-family belongs to

A. Solanaceae

B. Rosaceae

C. Poaceae

D. Fabaceae


55. Inflorescence of fabaceae is

A. Racemose

B. Solitary

C. Both

D. None


56. C(4+5) shows that

A. Fused carpel

B. Fused calyx

C. Fused corolla

D. None


57. Legumes as fruits are characters of family

A. Solanaceae

B. Rosaceae

C. Poaceae

D. Fabaceae


58. Graminaeae family has _____ roots

A. Rough adventitious

B. Fibrous adventitious

C. Round true roots

D. Branched roots


59. Leaves of …… are used as blood purifier

A. A.catechu

B. A.sengal

C. A.nilotica

D. Albizzia

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