BY : ASHWANI KUMAR BIOLOGY TEACHER VIGYAN TUTORIALS PATELNAGAR PHAGWARA 9646388266
10.1.Rhizobium 2Tolypothrix3Aulosira 4Azobacter/
the monerans that can fix atmospheric nitrogen are/
a. 12
b.123
c.134
d.1234/
11.mycoplasma were discovered by
a.Ricketts
b.Leeuwenhoek
c.Louis pasteur
d.Nocard and Roux/
12. Mycoplasmal infection in human can be cured by
a.Penicillin.
b.Tetracyclines
c.both a and b
d.none of these./
13. ATP synthesis is absent in
a.viruses
b. Rickettsiae
c. Chlamydiae
d. All of these
14. The Ricketssia Rochalimaea quintana causes
a.Q fever
b. Trench fever
c. Endemic typhus
d. Epidemic typhus/
15. The common natural habitat of ricketssiae is
a.cells of arthropod gut
b.cells of liver
c.brain cells.
d.lungs /
16.which of these are also called living fossils
a.PPLO
b. Ricketssiae
c. Archaebacteria
d. Chlamydiae
17. Archaebacteria were discovered by
a. Roux
b. Robert Koch
c. Woese
d. Allen /
Ans: 10 d. 11.d 12b. 13.d. 14b. 15a. 16.c 17c./
by: Ashwani kumar. Biology teacher vigyan. tutorials phagwara 9646388266
10.1.Rhizobium 2Tolypothrix3Aulosira 4Azobacter/
the monerans that can fix atmospheric nitrogen are/
a. 12
b.123
c.134
d.1234/
11.mycoplasma were discovered by
a.Ricketts
b.Leeuwenhoek
c.Louis pasteur
d.Nocard and Roux/
12. Mycoplasmal infection in human can be cured by
a.Penicillin.
b.Tetracyclines
c.both a and b
d.none of these./
13. ATP synthesis is absent in
a.viruses
b. Rickettsiae
c. Chlamydiae
d. All of these
14. The Ricketssia Rochalimaea quintana causes
a.Q fever
b. Trench fever
c. Endemic typhus
d. Epidemic typhus/
15. The common natural habitat of ricketssiae is
a.cells of arthropod gut
b.cells of liver
c.brain cells.
d.lungs /
16.which of these are also called living fossils
a.PPLO
b. Ricketssiae
c. Archaebacteria
d. Chlamydiae
17. Archaebacteria were discovered by
a. Roux
b. Robert Koch
c. Woese
d. Allen /
Ans: 10 d. 11.d 12b. 13.d. 14b. 15a. 16.c 17c./
by: Ashwani kumar. Biology teacher vigyan. tutorials phagwara 9646388266
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