Biological Classification

  1. Some bacteria thrive in extreme environment conditions such as absence of oxygen, high salt concentration, high temperature and acidic PH Name them…

(a) Cyanobacteria


(c )Archaebacteria

(d) Streptococcus

Answer: C

2.All the bacteria fix nitrogen except …


(b) E Coli


(d) Cyanobacteria

Answer:  B

3.The region where bacterial genome resides is termed as

(a) Nucleus

(b ) Cytoplasma


(d) Ribosome free region

Answer:  C

4.Fungi which grow in dung are termed as





Answer:  A

5. All fungi are

(a) Autotrophs

(b) Saprotrophs

(c) Heterotrophs

(d) Parasites

Answer:  B

6.Which of the following is included in five kingdom classification .

(a)  Monera, Protista, Animalia, Plantae, Algae

(b) Monera,Protista,Fungi,Animalia,Plantae

(c) Virus,prokaryotes,Fungi,Plantae,Animalia

(d) Algae,Fungi,Bryophyta,Pteridophyta,Gymnosperms

Answer:  B

7.Who is the father of Taxonomy among the following

(a) Linnaeus

(b) Aristole

(c) Maheshwari

(d) Birbal sahani

Answer:  A

8. Halophiles is also called …..

(a) Eubacteria

(b) Actinomyce

(c) Cyanobacteria

(d ) Archaebacteria

Answer:  D

9. By how many criteria ,living organisms have been classified into five kingdom.

(a) Two

(b) Four

(c) five

(d) Three

Answer:  B

10.Prokaryotes are included in the kingdom ….

(a) Monera

(b) Protista

(c) Protozoa

(d) Basidiomycetes

Answer:  A

11.Viroids were discovered by …

(a) Diener

(b) Woese

(c) Pasteur

(d) Iyengar

Answer:  A

12.The name virus was given by …


(b) Pasteur

(c) Diener

(d) Hershey

Answer:  B

13.Virus have….

(a) DNA core,Lipid coat

(b) DNA or RNA core ,protein coat

(c) DNA or RNA core,plasma membrane

(d) DNA containing nucleus ,lipid envelope

Answer:  B

14.A virus contains

(a) DNA

(b) RNA

(c) DNA or RNA

(d) DNA and RNA

Answer:  C

15. The main structural component of virus is …

( a) nucleic acid

( b ) protein

( c) nucleic acid and protein

( d) nucleic acid or protein

Answer:  C

16. Protista include…

( a) Paramecium,Euglena ,Dinoflagellates

( b) Hydra,Amoeba,Paramecium

( c) Yeast ,Euglena,Dinoflagellates

( d) Mushroom,Paramecium ,Euglena

Answer:  A

17. The study of fungi is …

(a) Cytology

(b ) Mycology

(c) Virology

(d) Algology

Answer:  B

18. Fungus cell wall is made up of…..

(a) Cellulose

(b) Protein

(c ) Chitin

(d) carbohydrates

Answer:  C

19. In Fungi reserved food materials are …..

(a) Glycogen and lipid droplets

(b) Starch

(c) Protein

(d) Lipid

Answer:  A

20. Study of lichens is called …..

(a) Algology

(b) Mycology

(c) Lichenology

(d) Cytology

Answer:  C

21. In lichens fungal component is known as …..

(a) Mycobiont

(b) phycobiont

(c) A & B

(d) none of these

Answer:  A

22. The plant cell without chloroplast is ….

(a) Algae

(b) Fungi

(c) Bryophytes

(d ) Pteridophytes

Answer:  B

23. Symbiotic relationship is found in ….

(a) Algae

(b) Fungi

(c ) Bryophytes

(d ) Lichens

Answer:  D

24. Plant of this group possess naked seed

(a) Pteridophytes

(b) Angiosperms

(c) Gymnosperms

(d) Bryophytes

Answer:  C

25. Which sentence is true for Bryophytes ?

(a) They are autotrophic

(b) vascular tissues are absent

(c) Fertilisation take place in the presence of water

(d) All of the three

Answer:  D

26. In which plant ,gametophytic phase  is main and sporophytic phase is subsidiary.

(a) Bryophytes

(b) pteridophytes

(c) gymnosperms

(d) angiosperms

Answer:  A

27.The first land plant on earth was…………..

(a) Bryophytes

(b)  pteridophtes

(c) gymnosperms

(d) angiosperms

Answer:  B

28. The tallest living tree in the world is …………..

(a) Zamia sp.

(b) Eucalyptus sp.

(c)  Wolffia sp.

(d) Sequoia sp.

Answer:  D

29. The smallest gymnosperm is ………

(a) Zamia sp.

(b) Eucalyptus sp.

(c)  Wolffia sp.

(d) Sequoia sp.

Answer:  A

30. Xerophytic characters are present in ……………………..


(b) pteridophytes

(c) gymnosperms

(d) angiosperms

Answer:  C

31. Microsporophyll :stamen then Megasporophyll:……………

(a)  Anther

(b)   Gynoecium

(c) Pollen grains

(d) Ovule

Answer:  B

32. Which of the fossil member?

(a) cycas

(b) bennettites

(c) thuja

(d) pinus

Answer:  B

33. The biggest and dominant group is……


(b) pteridophytes

(c) gymnosperms

(d) angiosperms

Answer:  D

34. Pre-fertilized endosperms is characterstics of ……

(a) pteridophyte

(b) angiosperms

(c)  gymnosperms

(d) bryophytes

Answer:  C

35. Class dicotyledon is divided into….

(a) 7 sub-classes

(b) 5 sub-classes

(c) 3 sub-classes

(d) 2 sub- classes

Answer:  D

36. Who classified angiosperms into two classes,…

(a) theoprattus

(b) bentham and hooker

(c) Aristotle

(d) Linnaeus

Answer:  B

37. Presence of rigid cell wall is characterized by kingdom…

(a) Protista

(b) plantae

(c) monera

(d) Animalia

Answer:  C

38. The tallest living tree of angiosperm is …

(a) wolffia sp.

(b) Zamia sp.

(c) Eucalyptus sp.

(d) sequoia sp.

Answer:  D

39. If the seeds are formed from the megasporophylls and not enclosed in a fruits the plant belongs to

(a) pteridophyte

(b) bryophytes

(c) angiosperm

(d) gymnosperm

Answer:  D

40.Embryo is not formed in …

(a) Bryophytes

(b) algae

(c) gymnosperm

(d) pteridophytes

Answer:  B

41.which classification system had been given whittaker ?

(a) 3 domain classification

(b) binomial classication

(c) 5 kingdom classification

(d) artificial classification

Answer:  C

42. A: lichen shows symbiotic relationship between algae and fungi

R: algae absorb water and mineral nutrients from environment and provide to fungi

(a)both A and R true and R is the correct explanation of A

(b) both A and R true but R is not correct explanation A

(c) A is true but R is false

(d) A is false and R is true

Answer:  C

43. African sleeping sickness is caused by

(a) Giardia intestinalis

(b) Leishmania

(c ) Trypanosoma

( d) Entamoeba

Answer:  C

44. Extra chromosomal,circular ,double stranded ,self replicating DNA molecule in bacteria is called

( a) Cosmid

( b) Plasmid

(c ) Phasmid

( d) Phagemid

Answer:  B

45. Membranous infolding in bacteria that initiate DNA replication is

( a) Mesosomes

( b) Carboxysome

( c)Magnetosome

( d )Nucleosome

Answer:  A

46. Example of blue green algae is in

( a) Fungi

( b) Monera

( c)Protistae

(d )Plantae

Answer:  B

47. TMV virus was discovered by

(a ) Pasteur

( b) S L Miller

( c) Ivanowsky

( d) W M Stanley

Answer:  C

48. The study of algae is called

( a) Mycology

(b )Algology

( c)Taxonomy

( d) Lichenology

Answer:  B

49. On the basis of structural form lichen are..

( a) Crustose

(b) Foliose

(c )Fruticose

( d) All of three

Answer:  D

50. Fruiting body is characteristic of…

( a) Algae

(b) Lichens

( c) Bryophyta

( d) Pteridophyta

Answers B

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