In Spirogyra sometimes a ladder like structure  is present due to

• vegetative reproduction

• asexual reproduction

• lateral conjugation

• scalariform conjugation

Which are sensitive to SO₂ pollution?

• Mosses

• Algae

• Lichen

• Ferns

The first phylogenetic system of plant classification was proposed by

• Engler

• Engler and Prantl

• Eichler

• Wetlstein

Black rust of wheat is a fungal disease caused by

• Melampsora lini

• Claviceps Purpurea

• Albugo candida

• Puccinia graemzinis tritici

In which genera endospores are formed for reproduction

• Monococcus and Clostridium

• Bacillus and Clostridium

• Mucor and Bacillus

• None ofthe above

Yeast belongs to which class

• Basidiomycetes

• Eumycetes

• Ascomycetes

• None of these

Which of the following is an edible fungus?

• Agaricus

• Albugo

• Rhizopus

• Puccinia

Blue- green algae is found in

• Cycas

• Pinus

• Scales of Marchantia

• Riccia

In Pteridium meiosis takes place at the time of

• spore formation

• organ formation in prothallus

• spore germination

• gamete formation

The part of mushroom comes out from soil is called

• basidiocarp

• ascogonium

• ascocarp

• pericarp