Identify the alga known for a biological activity called bioluminescence.
Spirogyra
Chlorella
Cyclotella
Noctiluca
Related Questions
A protein rich blue-green alga is
Chlorella
Spirulina
Spirogyra
Ulothrix
Which of the following features is NOT exclusively found in the Rhodophyceae (Red Algae)?
Presence of chlorophyll a
Storage of floridean starch
Absence of flagella in the life cycle
Phycoerythrin pigment
Heterocysts are found in
Cyanophyceae
Chlorophyceae
Phaeophyceae
Rhodophyceae
Which of the following is NOT a characteristic feature of the Kingdom Plantae?
Cellulose cell wall
Presence of chloroplasts
Autotrophic nutrition
Heterotrophic nutrition
Which of the following is NOT a characteristic feature of the plant kingdom?
Autotrophic nutrition
Cell wall made of cellulose
Presence of chloroplasts
Heterotrophic nutrition
Which of the following groups of algae do not have eukaryotic organization?
Green algae
Blue-green algae
Red algae
Golden-brown algae
In a monoecious plant
Male and female sex organs are on different individuals
Male and female gametes are of two morphologically distinct types
Male and female sex organs are on the same individual
All the stamens are fused to form one unit
The dominant generation in the life cycle of bryophytes is:
Sporophyte
Gametophyte
Both sporophyte and gametophyte are equally dominant
Neither sporophyte nor gametophyte
Which group of algae is responsible for the phenomenon known as 'red tides'?
Diatoms
Dinoflagellates
Euglenoids
Green algae
The red colour of ‘red sea’ is due to which of the following blue-green algae?
Chlamydomonas
Anabaena
Microcystis
Trichodesmium
