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Coralloid roots, which host a symbiotic relationship between an algae and host plant are features of
Options
(a) Cycas
(b) Pinus
(c) Pteris
(d) Funaria
Correct Answer:
Cycas
Explanation:
Mycorrhiza (Myco’s = fungus, rize = roots) is a symbiotic association between fungus and the roots of vascular plants. The fungus colonizes the roots of the host either infra or intercellularly. It helps in the nutrient absorption from soil for the plant, Mycorrhizal associations are present in conifers, i.e., Pinus, Cedrus, Abies and Picea. Coralloid roots is develop in Cycas. It is produced in clusters at the base of the stem and protrudes out over the ground. It is dichotomously branched and greenish in colour. IT contains algal zone in cortex. This algal zone contains blue green algae like Anabaena and Nostoc which grow in symbiotic association with coralloid roots.
Related Questions: - In which part of nephron is urine concentrated?
- Fern prothallus produces
- Bipolar neurons are found in
- DNA replication in bacteria occurs
- A nitrogen-fixing microbe associated with Azolla in rice fields is :
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
- In which part of nephron is urine concentrated?
- Fern prothallus produces
- Bipolar neurons are found in
- DNA replication in bacteria occurs
- A nitrogen-fixing microbe associated with Azolla in rice fields is :
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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