Biology Class 11 Chapter - 6
Prokaryotes - 16
1.
Which one of the following is not a plant disease?
a) fire blight
b) crown gall
c) leprosy
d) late blight
2.
Which one of the following is not a human bacterial disease?
a) influenza
b) TB
c) pertusis
d) diphtheria
3.
Vit B12 is commercialy produced by which one of the following bacteria?
a) Vibrio chollera
b) Staphylococcus aureus
c) Eschericia coli
d) Streptococcus pneumoniae
4.
Streptomycines are produced from?
a) spirochaetes
b) E. coli
c) chlamydia
d) actinomycetes
5.
Biogas is a?
a) methane gas
b) carbon dioxide gas
c) oxygen gas
d) hydrogen gas
6.
Biogas is produced from sewages and other waste products by?
a) fungi
b) plants
c) bacteria
d) animals
7.
The amount of Methane gas is?
a) equal in biogas to natural gas
b) less in biogas than natural gas
c) less in natural gas than biogas
d) greater in biogas than natural gas
8.
The production of single cell protein began in?
a) 1940
b) 1950
c) 1960
d) 1970
9.
Which one of the following bacteriophage was used by Hershey and Chase to prove that DNA is a hereditary material?
a) T5 phage
b) T3 phage
c) T2 phage
d) T4 phage
10.
An organism with foreign gene of choice inserted into its body is called as?
a) transgenic
b) mutant
c) natural
d) wild
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