Biology : Plant Kingdom

Which one of the following pairs is mismatched?

• Savanna - Acacia trees

• Prairie - Epiphytes

• Tundra - Permafrost

• Coniferous forest - Evergreen trees

Tea and coffee are affected by

• Phytophthora

• Cephaleuros

• Herviella

• Albugo candida

Though Cycas has 2 cotyledons, this is not included in dicot because

• naked ovule

• they have megaspore

• appears as palm tree

• has compound leaves

The modified stem of Opuntia is

• phyllode

• phylloclade

• cladode

• stamroinode

Mannitol is reserve food in

• Rhodophyceae

• Chlorophyceae

• Phaeophyceae

• Xanthophyceae

Plants growing on sand and gravel are called

• eremophytes

• psammophytes

• psilophytes

• oxylophytes

The inflorescence in Ocimum is

• cyathium

• verticillaster

• hypanthodium

• raceme

Cellulose fibre is obtained from Gossypium.

• stem surface

• seed hair

• leaf surface

• root hair

The amphibians of plant kingdom are

• multicellular non motile algae

• bryophytes with simple internal organisation

• unicellular motile algae

• pteridophytes with complex internal organisation.

In Chlorophyceae the mode of sexual reproduction is

• anisogamy

• isogamy

• oogamy

• all of these