Related Questions
A Teacher was explaining about a physical contact involving almost equal physiological interdependence in two different thalloid forms. He was trying to explain one of the following
Mycorrhizal Association
Establishment of Heterothallism
Operation of heterothallism
Advent of lichen formation
Which of the following statements is not true for retroviruses?
DNA is not present at any stage in the life cycle of Retroviruses?
Retroviruses carry gene for RNA-dependent DNA polymerase
The genetic material in mature Retroviruses is RNA
Retroviruses are causative agents for certain kinds of cancer in men
Virus envelope is known as
Lipid envelope
Capsid
Nucleocapsid
Core protein
The genome of bacteriophage can be
Only double-stranded DNA
Single- or double-stranded DNA or RNA
Only single-stranded RNA
Only double-stranded RNA
The first organisms to colonise rocks are
Fungi
Lichens
Pteridophytes
Green 8
Protein coat of a virus enclosing nucleic acid is called
Plasmid
Capsid
Vector
Genome
Which of the following statement is not true for retroviruses?
DNA is not present at any stage in the life cycle of retroviruses
Retroviruses carry gene for RNA dependent DNA polymerase
The genetic material in mature retroviruses is RNA
Retroviruses are causative agents for certain kinds of cancer in man
Viruses are non-cellular organisms but replicate themselves once they infect the host cell. To which of the following kingdom viruses belong to?
Monera
Protista
Fungi
None of these
Outer covering of virus made up of protein is
Capsid
Coat
Virion
Viriod
Which of the following is the smallest infectious agent known?
Virus
Bacteria
Viroid
Prion
