Chapter test-1-biology-Biological classification

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Q.1 A B C D Which one is the most abundant microorganism?

(a) Bacteria                     

(b) Protozoan              

(c) Viruses               

(d) Protists

Q.2 A B C D Bacteria occur -

(a) In water only              

(b) In soil only                 

(c) As parasite 

(d) Everywhere

Q.3 A B C D Based upon the shape bacteria are grouped under how many categories?

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

Q.4 A B C D Which of the following bacteria are comma-shaped -

(a) Coccus          (b) Vibrio               (c) Bacillus       (d) Clostridium

Q.5 A B C D Identify the names of the different bacteria according tto the shapes -

(a) A - Cocci, B - Bacilli, C - Spirilla, D - Vibrio

(b) A - Bacilli, B - Cocci, C - Spirilla, D - Vibrio

(c) A - Spirilla, B - Bacilli, C - Cocci, D - Vibrio

(d) A - Spirilla, B - Vibrio, C - Cocci, D - ESacilli

Q.6 A B C D Which of the following statement is correct about bacteria?

(a) Bacteria are simple in both structure and behavior

(b) Bacteria are complex in structure as well as behavior

(c) Bacteria are complex in structure but simple in behavior

(d) Bacteria are simple in structure but complex in behavior

Q.7 A B C D Which of the following organisms show the most extensive metabolic diversity?

(a)Algae                        

(b) Fungi                         

(c) Bacteria                     

(d) Bryophytes

Q.8 A B C D Most of the bacteria are -

(a) Autotrophs                 

(b) Chemoautotrophs      

(c) Heterotroph                

(d) Parasites

Q.9 A B C D Which of the following are autotrophs?

(a) Photosynthetic bacteria                                     

(b) Chemosynthetic bacteria

(c) Archaebacteria                                                  

(d) Both a and b

Q.10 A B C D Which of the following statements is wrong about Archaebacteria?

(a) They live in some of the most harsh habitats     

(b) They are recently evolved group

(c) Cell wall is peptidoglycanless                             

(d) They are unlike most other bacteria

Q.11 A B C D Which of the following areas or conditions would be favoured by thermoacidophiles?

(a) The stomach of many herbivores                         

(b) Hot, alkaline

(c) Hot, sulphur springs                                          

(d) Deep sea valconic

Q12. A B C D      Which is not correct about methanogens?

(a) They are archaebacteria

(b) They live in marshy areas

(c) Methane is their preferred carbon source                                                                                           

(d) They are present in guts of several ruminant animals (cow, buffaloes) and

they produce biogas (CH₄) from the dung of these animals

    

Q13. A B C D      An archean that lives in extremely salty condition is referred to as a -

(a) Thermophile               

(b) Halophiles                

(c) Thermoacidophile       
(d) Methanogen

Q14. A B C D      Eubacteria include -

(a) Bacteria and Archaebacteria                                

(b) Cyanobacteria + Archaebacteria
(c) Bacteria and Blue green algae                           

(d) Bacteria + Eukaryote

Q15. A B C D      All Eubacteria have -

(a)Cell wall                     

(b) Flagella                     

(c) Heterocyst                 

(d) All the above

Q16. A B C D      Cyanobacteria/Blue green algae are -

(a)Unicellularonly            

(b) Colonial only             

(c) Filamentous only       

(d) Unicellular, Colonial orfilamentous

Q17. A B C D      Cyanobacteria are -

(a) Only fresh water        

(b) Only marine                                                    

(c) Only terrestrial           

(d) Aquatic and terrestrial

Q18. A B C D      Which ones forms bloom in polluted water mostly -

(a) Cyanobacteria             

(b) Green algae              

(c) Red algae                 

(d) Brown algae

Q19. A B C D      Some of the Cyanobacteria can fix atmospheric nitrogen in specialised cells called- Xv.v
 (a)Akinetes                     

          (b) Heterocyst                 

          (c) Homocyst                   

          (d) Nodule

Q20. A B C D      Heterocystous Cyanobacteria -                                                                                 _;
(a) Only Nostoc                                                     

         (b) On\y Anabaena
         (c) Both Nostoc and Anabaena                             

         (d) Vibrio

Q21. A B C D      The group of organisms oxidizing various inorganic substances 
such as nitrates, nitrites and ammonia using the released energy for their ATP 
production are-

(a) Chemoheterotrophic bacteria                              

(b) Chemosynthetic autotrophic bacteria
(c) Photoautotrophic bacteria                                

(d) Saprophytic bacteria

Q22. A B C D      Which of the following play a great role in recycling nutrients like N,P, and S-
(a) Chemosynthetic autotrophic bacteria                    

         (b) Parasitic bacteria
         (c) Photoautotrophic bacteria                                

         (d) Cyanobacteria

Q23. A B C D      Cyanobacteria have

(a) Chl a similarto plant including green algae        

(b) Distinct from chlorophyll of plants                                                                                              
(c) Bacteriochlorophyll                                            

(d) Bacteriorhodopsin

Q24. A B C D      The majority of bacteria are-

(a) Photoautotrophs                                               

(b) Chemoautotrophs
(c)Chemoheterotrophs/ decomposers                 

        (d) Disease causing

Q25. A B C D      Bacteria participate in-

(a) Many industrial and commercial processes

(b) N₂-fixation in legume roots

(c) Disease producing in plants, animals and human beings

(d)AII                                                                                                            

Q26. A B C D      All of the following diseases cause by bacteria except -

           (a) Flu       

           (b) Cholera 

           (c) Tetanus

           (d) Typhoid

Q.27 A B C D Citrus canker is __________ disease -

            (a) Bacterial           

            (b) Viral

            (c) Fungal

   (d) Mycoplasmal

Q28 A B C D Bacteria reproduce mainly by -

(a) Endospores formation

(b) Zoospores formation

(c) Fission

(d) Sexual method

Q.29 A B C D Identify the blanks in the following figures -

(a) A- Cell wall, B - Cell membrane, C - Heterocyst, D - DNA, E - Mucilagenous sheath

(b) A - Cell wall, B - Cell membrane, C - DNA, D - Heterocyst, E - Mucilagenous sheath

(c) A- Mucilagenous sheath, B - Cell membrane, C - DMA, D - Heterocyst, E - Cell wall

(d) A- Cell membrane, B - Cell wall, C - DNA, D - Heterocyst, E - Mucilagenous sheath

Q.30 A B C D Which of the following statements is correct -

I. Mycoplasma has no cell wall

II. Mycoplasma is the smallest living organism

III. Mycopiasma cannot survive without 0₂

IV. Mycoplasma are pathogenic in animals and plants

V. True sexuality is; not found in bacteria

VS. A sort of sexual reproduction by adopting a primitive DNA transfer from one bacterium to the other occurs

(a) All

(b) Only III

(c)l, II, IV, V, VI

(d) I, III, VI

Q.31 A B C D Protista includes -

(a) Unicellular prokaryotes                                     

(b) Unicellular eukaryotes

(c) Bacteriophages                                               

(d) B.G.A

Q32 A B C D Which of the following kingdoms has no well defined boundaries?

(a) Monera                     

(b) Protista                     

(c) Fungi

 Q33 A B C D Members of Protista are primarily -

 (a) Parasites                   

 (b) terrestrial                   

 (c) Aquatic

 (d) Photosynthetic

Q34 A B C D Nearly all protists are -

(a) Aerobic                     

(b) Anaerobic                 

(c) Aerobic or anaerobic  

(d) Photosynthetic

          Q35 A B C D Nutritionally, protista are -

          (a) Photoautotrophs                                             

           (b) Heterotrophs

 (c) Mixotrophs                                                    

 (d) Photoautotrophs, heterotrophs or autotrophs

Q36. A B C D      Based upon the modes of nutrition, protists are grouped into -

(a) Plant-like protists (algae) and ingestive, animal-like protists (protozoa);

 and absorptive, fungus like protists

(b) Chrysophytes, Dinoflagellates and Euglenoids only

(c) Slime moulds and fungi only

(d) Flagellated protozoans and sporozoans only

Q37. A B C D      Which of the following are placed under Protista -

(a) Chryosophytes and Dinoflagellates                     

(b) Euglenoids
(c) Slime moulds and protozoans                         

(d) All

Q38. A B C D      Locomotory structures in protists are -•

(a)Flagella                      

(b) Cilia                          

(c) Pseudopodia             

(d)AII

Q39. A B C D      Protista form a link with -

(a) Plants only                 

(b) Animals only             

(c) Fungi only                 

(d) Plants, animals and fungi

Q40. A B C D      Chrysophytes include-

(a) Diatoms and desmids (golden algae)                    

(b) Dinoflagellates
(c) Euglenoids                                                     

(d) Slime molds

Q41. A B C D      Which of the following modes of reproduction can be found in at least some protists?
(a) Binary fission             

          (b) Sexual reproduction   

          (c) Spore formation       

           (d)AII

Q42. A B C D      Select the following statement that does not apply to diatoms -

(a) Diatom cell wall may be impregnated with silicon

(b) Cell wall is made up of 2 half-shells fit tightly together

(c) Diatom is a chrysophyte

(d) Diatom is multiflagellate

Q43. A B C D      Silica gel (Keieselghur) / Diatomite / Diatomaceous earth is obtained by -

(a) Diatoms                     

(b) Dinoflagellates          

(c) Euglenoids               

(d) Brown algae

Q44. A B C D     The diatoms do not easily decay iike most of the other algae because -

(a) They have highly siliceous wall                           

(b) They have water proof cells
(c) Their cell wall are mucilaginous                        

(d) Cell wall is virus-resistant

Q45. A B C D      Diatomaceous earth is used for all except -

(a) Polishing      

(b) Filteration of oils and syrups
(c) Sound and fire proof room                                

(d) Biogas

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