The cell walls of which organisms are characterized by a unique two-part structure made of silica, resembling a petri dish?
Brown algae
Red algae
Diatoms
Golden algae
Related Questions
Amoeba is a/an
Unicellular animal
Octacellular animal
Multicellular animal
All of these
The given statements describes a group of organisms
I. The pellicle is composed of fibrous elastic protein lipid or carbohydrates and maintains a definite shape
II. They have two flagella, short and a long one. Each flagellum arises from a basal granule
III. They are connecting link between plants and animals
Which of the following group is referred here?
Euglenoids
Diatoms
Slime moulds
Protozoans
Which group of protists includes organisms with a pellicle, providing flexibility and shape?
Dinoflagellates
Slime molds
Euglenoids
Diatoms
Protists are
unicellular, prokaryote
multicellular, eukaryote
unicellular, eukaryote
multicellular β prokaryotic cell
Sea water glows during night mainly due to occurance of:
Gonyaulax
Euglena
Noctiluca
Cyetolettia
The free living thalloid body of the slime mould is known a
Protonema
Plasmodium
Fruiting body
Mycelium
Which organisms carry out the majority of photosynthesis in the open ocean?
Seaweeds
Kelp forests
Coral reefs
Phytoplankton
Auxopores as rejuvenescent cells are characteristic of which of the following?
Dinoflagellates
Diatoms
Zooflagellates
Sporozoans
Red tide in warms coastal water is caused due to the rapid multiplications of
Euglena
Diatoms
Gonyaulax
Paramecium
Select the incorrect statement for slime moulds
They lack a cell wall in their vegetative phase
They are heterotrophic
They form spores
They are parasitic in nature