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Tamil Nadu Board of Secondary EducationHSC Science Class 12

A free living nitrogen fixing cyanobacterium which can also form symbiotic association with the water fern Azolla

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Question

A free-living nitrogen-fixing cyanobacterium which can also form a symbiotic association with the water fern Azolla

Options

  • Nostoc

  • Anabaena

  • chlorella

  • Rhizobium

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Solution

Anabaena

shaalaa.com
Dispersal of Fruits and Seeds
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Chapter 6: Principles of Ecology - Evaluation [Page 158]

APPEARS IN

Samacheer Kalvi Botany [English] Class 12 TN Board
Chapter 6 Principles of Ecology
Evaluation | Q 14 | Page 158
Samacheer Kalvi Biology (Botany) [English] Class 12 TN Board
Chapter 6 Principles of Ecology
Evaluation | Q 14 | Page 131

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