Certain dinoflagellates exhibit a unique phenomenon known as 'bioluminescence'. Which of the following accurately describes the underlying mechanism of this phenomenon?
Photosynthesis using specialized pigments
Fluorescence due to chlorophyll a
Oxidation of luciferin by luciferase in specialized organelles called scintillons
Chemosynthesis utilizing sulfur compounds
Related Questions
Osmoregulation in Paramecium is a function of
Contractile vacuole
Trichocysts
Cytopyge
Cytostome
Diatoms and desmids are found in
Freshwater
Marine environments
Both (1) and (2)
Terrestrial environments
Protista includes
Unicellular eukaryotes
Multicellular prokaryotes
Unicellular prokaryotes
All of the above
Which kingdom encompasses organisms like Chrysophytes, Euglenoids, Dinoflagellates, and Slime moulds?
Monera
Protista
Fungi
Plantae
Which of the following is a flagellated protozoan?
Amoeba
Entamoeba
Plasmodium
Trypanosoma
The frustule, a characteristic feature of diatoms, is primarily composed of which substance?
Cellulose
Chitin
Silica
Pectin
Which of the following group is considered to be primitive relatives of animals?
Chrysophytes
Protozoans
Euglenoids
Slime moulds
Diatoms, which are good indicators of water pollution are
Photosynthetic protists
Saprophytes
Heterotorphs
Chemoautotrophs
Which of the following algal groups has a cell wall composed of hydrated silica forming two overlapping valves?
Cyanobacteria
Diatoms
Dinoflagellates
Rhodophyta
In which of the given protists, the cell wall resembles a soap box?
Diatoms
Dinoflagellates
Euglenoids
Slime moulds