Biology Questions and Answers for Railway
SSC CGL Exams
1).Inheritable genetic material is…………
a) Nucleic acid
b) Protein capsid
c) Lipid envelope
d) Virion
a) Nucleic acid
b) Protein capsid
c) Lipid envelope
d) Virion
2).Spherical bacterial cells occurring in the form of chain is……..
a) Micrococcus
b) Streptococcus
c) Cyanobacteria
d) Staphylococcus
a) Micrococcus
b) Streptococcus
c) Cyanobacteria
d) Staphylococcus
3).This serves as the portal of entry of genetic material during bacterial mating. ?
a) Flagellum
b) Capsule
c) F-Pili
d) Plasmid
a) Flagellum
b) Capsule
c) F-Pili
d) Plasmid
4).When fungus is grown in sugar solution, it produces………… ?
a) conidiospores
b) aplanospores
c) oidiospores
d) endospores
a) conidiospores
b) aplanospores
c) oidiospores
d) endospores
5).During unfavourable conditions, endospore formation occurs in………… ?
a) Clostridium
b) Rhizobium
c) Cyanobacteria
d) Pseudomonas
a) Clostridium
b) Rhizobium
c) Cyanobacteria
d) Pseudomonas
6).Typhoid fever is caused by…………….. ?
a) Salmonella
b) Clostridium
c) Leptospira
d) Xanthomonas
a) Salmonella
b) Clostridium
c) Leptospira
d) Xanthomonas
7).In organic reserve material present in the cytoplasm of bacteria is…………….. ?
a) Polysome
b) Chromatophore
c) Volutin granule
d) Starch
a) Polysome
b) Chromatophore
c) Volutin granule
d) Starch
8).Typhoid fever is caused by……………….. ?
a) Salmonella
b) Vibrio
c) Leptospira
d) Xanthomonas
a) Salmonella
b) Vibrio
c) Leptospira
d) Xanthomonas
9).Which of the following are resistant to heat, UV-rays and desiccation?
a) Aplanospores
b) Oidiospores
c) Conidiospores
d) Endospores
a) Aplanospores
b) Oidiospores
c) Conidiospores
d) Endospores
10).How many flagella are seen in Atrichous bacterium?
a) No flagellum
b) One
c) Two
d) Many
a) No flagellum
b) One
c) Two
d) Many
Answers :
1). a
2). b
3). c
4). b
5). a
6). a
7). c
8). a
9). d
10). a
1). a
2). b
3). c
4). b
5). a
6). a
7). c
8). a
9). d
10). a