'Clamp connections' are observed in

• Basidiomycetes

• Zygomycetes

• Ascomycetes

• Oomycetes

Movements by pseudopodia of Amoeba are due to change in

• pressure

• atmosphere

• temperature

• viscosity

In Whittaker's system of classification prokaryotes belong to the kingdom

• Monera

• Protista

• Animalia

• Fungi

Water bloom is generally caused by

• green algae

• blue- green algae

• bacteria

• Hydrilla

A genophore is made up of 

• a single double stranded DNA

• a single stranded DNA

• RNA and histones

• histones and non- histones

There exists a close association between the alga and the fungus within a lichen. The fungus

• fixes the atmospheric nitrogen for the alga

• provides protection, anchorage and absorption for the alga

• provides food for the alga

• releases oxygen for the alga

77.

Which one shows bio-luminescence?

• Noctiluca

• Polystomella

• Entamoeba

• Suctoria

Protists are

(i) unicellular and prokaryote

(ii) unicellular and eukaryote

(iii) multicellular and eukaryote

(iv) autotroph or heterotroph

• (i), (ii) and (iii)

• (ii), (iii) and (iv)

• (iii), (iv)

• (ii), (iv)

Which one has no intermediate host?

• Taenia

• Ascaris

• Fasciola

• Plasmodium

Litmus is obtained from

• Rocella montagnei

• Lasallia postulata

• Both (a) and (b)

• Cladonia crispata