Classification of Plant Kingdom

11.Pasteur is famous for –
 
A. for protein synthesis
 
B. for the discovery of the microscope
 
C. For germ theory of diseases
 
D. for fermentation of wine
 
Option”C” is correct
12.The smallest animal among the following is –
 
A. Virus
 
B. bacteria
 
C. mycoplasma
 
D. yeast
 
Option”C” is correct
13.The bacteria which directly convert atmospheric nitrogen into nitrogenous compounds are called –
 
A. denitrifying bacteria
 
B. putrefaction bacteria
 
C. nitrogen fixing bacteria
 
D. nitrifying bacteria
 
Option”C” is correct
14.Root nodules are found in –
 
A. In some leguminous plants and in some other plants
 
B. only in some leguminous plants
 
C. in all leguminous plants but never in other plants
 
D. in all plants
 
Option”A” is correct
15.Bacteria cannot survive in high salt pickle because
 
A. These protoplasms shrivel up and thus die
 
B. Pickles do not contain nutrients necessary for the survival of bacteria.
 
C. salt inhibits reproduction
 
D. bacteria do not get enough light to reproduce
 
Option”A” is correct
16.The bacteria found in human intestine is
 
A. corinii bacterium
 
B. escherichia coli
 
C. vibrio caulei
 
D. bacillus anthracis
 
Option”B” is correct
17.The bacterium that causes tuberculosis (TB) is –
 
A. salmonella
 
B. mycobacterium
 
C. diplococcus
 
D. Streptomyces
 
Option”B” is correct
18.Food poisoning is caused by –
 
A. by Clostridium titanii
 
B. by Clostridium botulinum
 
C. by salmonella typholis
 
D. by Bacillus anthracis
 
Option”B” is correct
19.Antibiotics are mostly obtained from –
 
A. from fungi
 
B. from viruses
 
C. from bacteria
 
D. from angiosperms
 
Option”C” is correct
20.If one bacterial cell divides every 20 minutes, how many bacteria will be formed in two hours?
 
A. 4
 
B. 16
 
C. 8
 
D. 64
 
Option”10″ is correct

fr_FRFrench