Cells in some filamentous cyanobacteria that are specialized for nitrogen fixation are called:

1. Phycobilisomes

2. Chromatophores

3. Grana

4. Heterocysts

Subtopic:  Kingdom Monera: Blue Green Algae |
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The cyanobacteria are also referred to as

(1) protists

(2) golden algae

(3) slime moulds

(4) blue-green algae

Subtopic:  Kingdom Monera: Blue Green Algae |
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NEET - 2012
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Oxygenic photosynthesis occurs in

(1) Chromatium

(2) Oscillatoria

(3) Rhodospirillum

(4) Chlorobium

Subtopic:  Kingdom Monera: Blue Green Algae |
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NEET - 2009
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In prokaryotes, chromatophores are

(1) specialized granules responsible for colouration of cells

(2) structures responsbile for organizing the shape of the organism

(3) inclusion bodies lying free inside the cells for carrying out various metabolic activities

(4) internal membrane systems that may become extensive and complex in photosynthetic bacteria

Subtopic:  Kingdom Monera: Blue Green Algae |
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Identify the labelled part in the given figure and select the correct option.

A B
1. Heterocyst Mucilaginous sheath
2. Mucilaginous sheath   Heterocyst
3. Heterocyst Capsid
4. Pseudopodia Mucilaginous sheath
Subtopic:  Kingdom Monera: Blue Green Algae |
 95%
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Heterocysts present in Nostoc is specialised for

(1) fragmentation

(2) nitrogen-fixation

(3) symbiotic relation

(4) food storage

Subtopic:  Kingdom Monera: Blue Green Algae |
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The function of nitrogen fixation in Anabaena (cyanobacterium) is performed by

(1) thylakoid

(2) heterocyst

(3) phycocyanin

(4) phycoerythrin

Subtopic:  Kingdom Monera: Blue Green Algae |
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Cyanobacteria do not possess which feature?

(1) Unicellular

(2) Colonial or filamentous

(3) Form blooms in polluted water bodies

(4) Only marine algae

Subtopic:  Kingdom Monera: Blue Green Algae |
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The specialised cells to fix atmospheric nitrogen is called as

(1) Heterocyst

(2) Heterocyte

(3) Heterocoem

(4) Heterolog

Subtopic:  Kingdom Monera: Blue Green Algae |
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Find the incorrect match.

(1) Heterocyst-Archaebacteria

(2) Gelatinous sheath- BGA

(3) Methanogen- Biogas

(4) Chlorella- protista

Subtopic:  Kingdom Monera: Blue Green Algae |
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