Chapter test-2-biology-biological classification

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Q1. A B C D      Chrysophytes are -

(a) Planktons                  

(b) Nektons                   

(c) Benthonic                

(d) Active swimmers

Q2. A B C D      Chief producers in ocean are-

(a) Dinoflagellates            

(b) Diatoms                    

(c) Euglenoids                

(d) Green algae

Q3. A B C D      Photosynthetic protists are -

(a) Euglenoids, Diatoms and Dinoflagellates               

(b) Euglenoids and slime moulds

(c) Diatoms and Zooflagellates                               

(d) Desmide + Ciliates

Q4. A B C D      Dinoflagellates are mostly -

(a) Marine                      

(b) Fresh water              

(c) terrestrial                   

(d) Saprophytes

Q5. A B C D      Red tides in warm coastal water develop due to super abundance of -

(a) Dinoflagellates            

(b) Euglenoid forms        

(c) Diatoms and desmids

(d) Chlamydomonas 'nlvalis

Q6. A B C D      Red tide is caused by -

(a)Ceretium                  

(b) Noctiluca                  

(c) Gonyaulax                

(d) All of these

Q7. A B C D      Dinoflagellates have-

(a) A single flagellum in the transverse groove between the cell plates

(b) A single flagellum in the longitudinal groove between the cell plates

(c) Two flagella one lies longitudinally and the other transversely in a furrow between the wall plates

(d)Noflagella

Q8. A B C D      In which of the following the cell wall has stiff cellulose plate on the outer surface-

(a) Dinoflagellates            

(b) Desmids                  

(c) Diatoms                    

(d) Euglenoids

Q9. A B C D      Which of the following releases toxins that may even kill other marine animals like fishes -
(a) Gonyaulax                  

      (b) Paramecium            

      (c) Euglenoids               

      (d) Sporozoans

Q10. A B C D      Euglenoids e.g. Euglena are found -

(a) In fresh running water                                       

(b) In fresh stragnant water

(c) In marine environment                                      

(d) In both fresh and marine water

Q11. A B C D      Which of the following statements about Euglena is true?                                                    

(a) Euglenoids are flagellates

(b) Euglena placed in continuous darkness lose their photosynthetic activity and die

(c) The pigments of Euglena are quite different from those of green plants

(d) Euglena is a marine protista

Q12. A B C D      Which of the following statement is true about Euglena?

(a) They show flagellar locomotion                           

(b) They have a rigid cell wall
(c) They have no chloroplast                                 

(d) They are obligate autotroph

Q13. A B C D      I. Instead of a cell wall they have a protein rich pellicle making their body flexible.

II. They have 2 flagella, a short and a long one.

III. They have mixotrophic nutrition

IV. In light they are photosynthetic, but act as heterotroph (predating other smaller organism) when they are in dark.

V. They are connecting link between plants and animals.

The above statements ar-Assigned to -

(a) Dinoflagellates            

(b) Slime mould              

(c) Desmids and Diatoms

(d) Euglena

Q14. A B C D      Slime moulds-

(a) Are parasite                                                    

(b) Do not produce spores
(c) Do not produce fruiting bodies                          

(d) Saprophytic protista

Q15. A B C D      The slimy mass of protoplasm with nuclei forms the body of slime mould is called -

 (a) Plasmodium              

 (b)Myxamoeba.

 (c) Sporocytes                

 (d) Periplasmodium

Q16. A B C D      Which one is correct about Trypanosoma?

(a) They are flagellated protozoan                            

(b) They are parasite
(c) They cause sleeping sickness                          

(d) All

Q17. A B C D      Paramecium-

(a) Is a ciliated protozoan

(b) Shows water current maintained by cilia which help's'trie'Tobd to be steered into gullet

(c) Has a cavity (gullet) that opens to the outside of the cell surface

(d)AII

                             

Q18. A B C D      Plasmodium (malarial parasite) is -

(a)Sporozoan                  

(b) Ciliated protozoan      

(c) Flagellated protozoan

(d) Amoeboid protozoan

Q19. A B C D      Which of the following always produce an infectious spore like stage in their life cycles?
(a) Ciliated protozoans                                         

      (b) Flagellated protozoans

(c) Sporozoans                                                   

(d)None

Q20. A B C D      Mode of nutrition in fungi is -

(a) Parasitic                    

(b) Saprophytic              

(c)Autotrophic               

(d) Heterotrophic

Q21. A B C D      All of the following are fungi except -

(a) Yeast                               

(b) Penicillium               

(c) Plasmodium             

(d) Puccinia

Q22. A B C D      Which of the following is odd?                                                                                          
(a) Toad stool                

      (b) Puccinia                   

      (c) Alternaria                 

      (d) Mushroom

Q23. A B C D      Cell walls of all fungi consist of the polysaccharide -

(a)Chitin                        

(b) Cellulose                  

(c) Silica                       

(d) Pectin

Q24. A B C D      The body of multicellular fungus is called a -

(a) Mycelium                   

(b)Hyphae                    

(c)Rhizoids                  

(d)Dikaryon

Q25. A B C D      The cells of the body of a multicellular fungus are organised into rapidly growing individual filaments called
(a) Mycelium                   

      (b) Rhizoids                   

      (c) Hyphae                     

      (d) Dikaryon

Q26. A B C D      Which one is unicellular fungus?

(a) Puccinia                          

(b) Toad stool                  

(c) Penicillium                

(d) Yeast                  

Q27. A B C D      Coenocytic hypha is -

(a) Uninucleate hypha                                           

(b) Multicellular hypha
(c) Multinucleate hypha without septae                 

 (d) Hypha in coelom

Q28. A B C D      Many fungi are ______ associating with photosynthetic organisms to form mycorrhizae or lichens -
(a) Parasitic                    

      (b) Symbiotic                

      (c) Photosynthetic         

      (d)Saprobic

Q29. A B C D      Fungi can be parasites on -

(a) Animals                     

(b) Human being             

(c) Plants                       

(d)AII

Q30. A B C D      Fungi prefer to grow in -

(a) Cold and dry places   

(b) Hot and dry places    

(c) Sea water                                                                                           

(d) Warm and humid places

Q31. A B C D      Fungi show a great diversity in -

(a) Morphology               

(b) Habitat                     

(c) Both a and b            

(d) Nutrition

Q32. A B C D      Reproduction in fungi can take place by all of the following vegetative methods except -
(a) Gemmae                    

      (b) Fragmentation          

      (c) Fission                     

      (d) Budding

Q33. A B C D      Fungi show asexual reproduction by all of the following spores except -

(a)Conidia                      

(b)Oospore                   

 (c) Sporangiospore          

 (d)Zoospores

Q34. A B C D      Sexual reproduction in fungi is by all of the following except -

(a) Oospores                  

(b) Ascopores               

 (c) Zoospores                 

(d) Basidiospores

Q35. A B C D      Members of phycomycetes are found -I. In aquatic habitat li On decaying wood

III. On moist and damp places

IV. As obligate parasite on plants

(a) None of the above     

 (b) I and IV                                                      

(c)Uandlll                     

 (d)AII of the above"

Q36. A B C D       In phycomycetes asexual reproduction occurs by -

(a) Zoospores (motile)                                          

(b) Aplanospores (non-motile)
(c) Both                                                                  

(d)Aplanogamete

Q37. A B C D    Basidiomycetes include-

(a) Mushroom, Toadstool, Puffball and bracket fungi

(b) Smut fungi and rust fungi

(c) Both a and b

(d) Bread mould, sac fungi and algal fungi

Q38. A B C D    Which of the following are common parasite basiomycetes

(a) Puccinia (rust) and Ustilago (smut)                        

(b) Bracket fungi

(c) Puffballs                                                        

(d) Agaricus (mushroom)

Q39. A B C D     Where does meiossis occur in mushroom?

(a) Basidiospore              

(b) Basidium                   

(c) Basidiocarp               

(d)Ascus mother cell

Q40. A B C D     Plasmogamy is the fusion of -

(a) 2 haploid cells including their nuclei                    

(b) 2 haploid cells without nuclear fission
(c) Sperm and egg                                                 

(d) Sperm with 2 polar nuclei

  

Q41. A B C D     Somatogamy is the fusion of-

(a) Two vegetative / somatic cell, of different strain / genotypes to form dikaryotic cell

(b) Sperm with egg

(c) 2 somatic cell having identical strain

(d) Egg with egg

Q42. A B C D     Which of the following is false about deuteromycetes?

(a) They reproduce only by asexual spores (conidia)

(b) Mycelium is branched and septate

(c) They have only parasitic forms                            

(d) They have no sexual stage (perfect stage)

Q43. A B C D    Which of the following is correct about class Deuteromycetes?

(a) Some members are saprophytes or parasites

(b) A large number of members are decomposers of litter and help in mineral cycling

(c} Alternaria, Colletotrichum and Trichoderma are deuteromycetes

(d)AII

Q44. A B C D     Sexual reproduction is found in all except -

(a) Deuteromycetes       

 (b)Ascomycetes                                                  

(c) Phycomycetes          

(d) Basidiomycetes

Q45. A B C D     If sexual stage is discovered in a member of deuteromycetes, it is moved to -

(a) Phycomycetes            

(b) Basidiomycetes         

(c) Ascomycetes            

(d)  b and c. 

Q46. A B C D    Select the false statement(s) -

(a) Kingdom Plantae includes multicellular chlorophyll containing organisms

(b) It includes Bryophytes to Angiosperms; but not algae

(c) They show alternation of generation (between gametophytic [N] phase and sporophytic phase [2N])

(d)Ali

Q47. A B C D    Which of the following pair(s) is false?

(a) Bladderwort - insectivorous                                

(b) Venus fly trap-insectivorous

(c) Cuscuta- Saprophytic                                        

(d) Cell wall of plant cell - mainly cellulosic

Q48. A B C D    Kingdom Animalia is characterised by -

(a) Heterotrophic eukaryotic multicellular organisms having no cell wall in their cells

(b) Reserve food - glycogen or fat

(c) Holozoic nutrition

(d)AII

Q49. A B C D    In the five kingdom classification of Whittaker there is-

(a) No mention of viruses                                       

(b) Mention of lichens

(c) No mention of viroids                                       

(d) No mention of viruses, viroids and lichens

Q50. A B C D    Viruses did not find a place in classification since -

(a) They are not truely living                                   

(b) They are obligate parasite
(c) They are cellular                                              

(d) They are hyperparasite

Q51. A B C D    Common cold / flu is-

(a) A viral disease            

(b) A bacterial disease    

(c) A mycoplasmal disease      

(d) A fungal disease

  

Q52. A B C D    Which is absent in viruses?

(a) Nucleic acid               

(b) Protoplasm               

(c) Protein                      

(d)a and c

Q53. A B C D    The concept of Contagium vivum fluidum (infectious living fluid) for virus was given -

(a) Mayer                       

(b) Beijerniek                  

(c) Pasteur                     

(d) Ivanowsky

Q54. A B C D    Which of the following statements is false about viruses -

(a) Viruses are obligate parasites

(b) Viruses can multiply only when they are inside the living cells

(c) Viruses cannot pass bacterial proof fitters

(d) Viruses are made up of protein + DMA or RNA (nerver both DMA and RNA)

Q55. A B C D    Which is the infectious component of the virus?

(a) Lipid                         

(b) Protein                      

(c) Nucleic acid

           (d) b and c

Q56. A B C D    The protein of viruses is called -

(a)Capsid                       

(b) Capsomere              

 (c)Core

            (d) Envelope

Q57. A B C D    Thesubunitof capsid is called -

(a) Core                         

(b) Nucleotide

          (c)Aminoacid

           (d) Capsomere

Q58. A B C D    All are the viral diseases except -

(a) AIDS and mumps       

(b) Small pox and herpes

(c) Influenza

           (d) Cholera

Q59. A B C D    In plants mosaic formation, leaf rolling and curling, yellowing and vein clearing dwarfing and stunted growth are symptoms of -

(a) Bacterial diseases                                            

(b) Mycoplasmal diseases
(c) Viral diseases                                               

(d) Fungal diseases

Q60. A B C D    In 1971 T. 0. Diener discovered a new infectious agent that was smaller than viruses -

I. It causes potato spindle tuber disease

II. It is free RNA

III. Molecular wt. of RNA is low

The above statements are assigned to -

(a) Viruses                      

(b)Viroids                      

(c) Virulent                     

(d) Mycoplasma

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