Which one of the following living organisms completely lacks a cell wall?
Cyanobacteria
Sea-fan (Gorgonia)
Saccharomyces
Saccharomyces
B.
Sea-fan (Gorgonia)
Sea-fan (Gorgonia) belongs to Kingdom-Animalia Phylom, Cnidaria and order: Gorgonacea. As it is on the animal, thus it lacks cell wall cyanobacteria of B we green algae (kingdom Monera) have a cell wall which is composed of peptidoglycan.
Saccharomyces is a genus of kingdom fungi which includes many species of yeast. Their cell wall is mode up of chitin
Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristic of phylum
Coelenterate
Porifera
Mollusca
Mollusca
Planaria possess high capacity of
metamorphosis
regeneration
alternation of generation
alternation of generation
A marine cartilaginous fish that can produce electric current is
Pristis
Torpedo
Trygon
Trygon
Select the taxon mentioned that represents both marine and freshwater species
Echinoderms
Ctenophora
Cephalochordata
Cephalochordata
