Which one shows bio-luminescence?
Noctiluca
Polystomella
Entamoeba
Suctoria
A.
Noctiluca
Noctiluca is a marine and pelagic dinoflagellate which shows bio-luminescence. At night, it produces the effect of burning of sea. The luminescence is caused by a bio-luminescent luciferin,which under the influence of an
enzyme luciferase emits light.
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)
Moulting hormone is secreted by
corpora cardiacum
prothoracic gland
corpora allata
neurosecretory hormone
Inner lining of blood vessels is formed by
ciliated epithelium
squamous epithelium
cubical epithelium
columnar epithelium
