7 public questions tagged with this topic.
Cyanobacteria are photosynthetic prokaryotes containing chlorophyll a. Their colonies commonly have a gelatinous sheath, and some forms possess nitrogen-fixing heterocysts.
Ref: NCERT Class 11 Biology Chapter 2: Biological Classification Protista - Chrysophytes and Dinoflagellates
The organism is a cyanobacterium. Cyanobacterial colonies commonly possess a gelatinous sheath and may form blooms in polluted water. Some forms, such as Nostoc and Anabaena, fix atmospheric nitrogen in heterocysts.
Ref: NCERT Class 11 Biology Chapter 2: Biological Classification Bacteria - Structure and Economic Importance
The features identify cyanobacteria. Cyanobacteria are photosynthetic prokaryotes containing chlorophyll a. Forms such as Nostoc and Anabaena may fix atmospheric nitrogen in specialised cells called heterocysts.
Ref: NCERT Class 11 Biology Chapter 2: Biological Classification Bacteria - Structure and Economic Importance
Cyanobacteria are photosynthetic prokaryotes containing chlorophyll a. They may be unicellular, colonial or filamentous, and their colonies are generally surrounded by a gelatinous sheath. Some forms also fix atmospheric nitrogen in heterocysts.
Ref: NCERT Class 11 Biology Chapter 2: Biological Classification Bacteria - Structure and Economic Importance
Mycoplasma completely lack a cell wall. They are the smallest living cells known, can survive without oxygen and include forms that cause diseases in plants and animals.
Ref: NCERT Class 11 Biology Chapter 2: Biological Classification Kingdom Monera - Archaebacteria and Eubacteria
Mycoplasma completely lack a cell wall and are the smallest living cells known. They can survive without oxygen, and many forms are pathogenic in plants and animals.
Ref: NCERT Class 11 Biology Chapter 2: Biological Classification Kingdom Monera - Archaebacteria and Eubacteria
Cyanobacteria are photosynthetic prokaryotes placed in Kingdom Monera. They contain chlorophyll a, their colonies commonly possess a gelatinous sheath, and some forms fix atmospheric nitrogen in specialised cells called heterocysts.
Ref: NCERT Class 11 Biology Chapter 2: Biological Classification Kingdom Monera - Archaebacteria and Eubacteria
