BGA Flashcards
First oxy genic photosynthetic organism of the earth
BGA
Name the yellow pigment present in BGA
Carotenoid
Name the red pigment present in BGA
C - phycoerythrin
Name the blue pigment present in BGA
C - phycocyanin
Name the green pigment present in BGA
Chlorophyll a
Name a red coloured BGA
Trichodesmium
Name a unicellular BGA
Spirulina
SCP
Spirulina
Protein rich BGA
Spirulina
Colonial BGA
Anabaena
Microcystis
Which type of BGA are surrounded by mucilaginous sheath
Colonial
Filalmentous BGA
Nostoc
Oscillatoria
Linear colony
Filament
Filament of BGA
Trichomes
Blue green algae is structurally similar to
Gram Negative bacteria
Alpha granules
Cynaphycean starch granules
Beta granules
Fat droplets
Cell wall in blue green algae is
Bilayered
Purpose of gas vacuoles
To maintain buoyancy
Prerequisite of multi cellular Arity
Connection of cells both vertically and horizontally
How many flagella does blue green algae has
0 …. It is atrichous
What is the specific name given to mesosome of BGA
Lamellaesome
Purpose of chromatophore
-  It breaks to form Thylakoid
- It stores pigments
In NCERT , diagram of BGA is of
Nostoc ( Filamentous BGA)
Name a cell of nostoc which contains only photosystem one
Heterocyst
Name a cell of nostoc which contains nitrogenase enzyme
Heterocyst
Name a cell of nostoc which is non photosynthetic
Heterocyst
Heterocyst is
- Thick walled
- Non green and non photosynthetic
- Contains nitrogenase
- Helps in nitrogen fixation
- Contains only PS -1
Name Symbiotic diazotrophic blue green algae
Anabaena and Nostoc —— Anthoceros
Anabaena azollae
Nostoc and Anabaena cycadae
Name free-living diazotrophic blue green algae
Anabaena
Nostoc
Aulosira
Oscillatoria
The cytoplasm present near the false nucleus of blue Green algae
Centroplasm
The cytoplasm present in the peripheral region of BGA
Chromoplasm
