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Besides paddy fields cyanobacteria are also found inside vegetative part of :
Options
(a) Cycas
(b) Equisetum
(c) Psilotum
(d) Pinus
Correct Answer:
Cycas
Explanation:
In Cycas specialised root called coralloid roots are associated with N2 – fixing cyanobacteria either Nostoc or Anabaena. Coralloid roots lie near the soil surface. They are irregular and often dichotomously branched. Root hair and root cap are absent in these roots.
Related Questions: - Which one of the following proved effective for biological control of nematodal
- A chemical signal that has both endocrine and neural roles is ?
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Plant and Animal Kingdom
(295)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following proved effective for biological control of nematodal
- A chemical signal that has both endocrine and neural roles is ?
- When a tall and red flowered individual is crossed with a dwarf and white
- Simultaneous movement of two molecules across a membrane in the same direction
- The correct sequence of spermatogenetic stages leading to the formation of sperms
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Plant and Animal Kingdom (295)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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