Puccinia

Puccinia is a

• obligate parasite

• Facultative parasite

• Saprophyte

• Symbiont

Puccinia is a --------------fungi

• Macrocyclic and heteroceous

• Macro cyclic and Autoecious

• Microcyclic Heteroecious

• Microcyclic Autoecious

Puccinia graminis causes ---------

• orange stem rust

• yellow stem rust

• Black stem rust

• Stripe rust

Haplophase of puccinia life cycle is completed in

• Barberry

• Wheat

• Wheat and barberry

• None of these

Dikaryotic lifecycle of Puccinia is completed in -------------------

• Wheat and barberry

• Wheat

• Barberry

• None of these

Aecidio spore is produced on

• Upper surface of barberry leaf

• Lower surface of barberry leaf

• Upper surface of Wheat leaf

• lower surface of Wheat leaf

Aecidiospore germinate to produce ------------- stage

• Telial

• Spermagonial

• Uredinal

• None of these

The spores which are see in same sorus

• Uredospore and aecidiospore

• Aecidiospore and telutospore

• Uredo and telutospore

• None of these

Which spore stage of puccinia is known as red stage or summer stage

• Telial

• Uredineal

• Aecidial

• Pyccnidial

Which spore stage is known as black or winter stage

• Aecidial

• Uredinal

• Telial

• None of these