The virus, that infects bacteria, are made up of:
Protein only
RNA and protein
DNA and lipid
DNA and protein
D.
DNA and protein
Bacteriophage is a type of bacteria that infects bacteria. It is made up of DNA and protein. Each bacteriophage also called phage is specific for only one type of the bacteria. They quickly multiply within host cell and destroy them.
Which of the following statement about viruses is correct ?
Viruses are obligate parasites
Viruses contain both RNA and DNA
Nucleic acid of viruses is known as capsid
Viruses possess their own metabolic system
Viroids have
single stranded RNA not enclosed by protein coat
single stranded DNA not enclosed by protein coat
double stranded DNA enclosed by protein coat
double stranded RNA enclosed by protein coat
The usage of binomial names, for plant species, was accepted by all after the publication of the works by :
Hooker
Linnaeus
Bentham
Darwin
Intracellular compartments are not found in the cells of
lower plants
prokaryotes
higher plants
eukaryotes
In which book, Bentham and Hooker proposed their classification?
Genera Plantarum
Species Plantarum
Historia Plantarum
Historia Naturae
The cell organelles are found in
bacterial cells
cyanobacterial cells
prokaryotic cells
eukaryotic cells
Which one of the following is also called halophiles
Eubacteria
Actinomycetes
Archaebacteria
Cyanobacteria
How many sub-phyla are available in Tracheata, according to Tippo's classification of kingdom Plantae ?
4
6
8
10
