Neet Solved Paper 2013 Question 4
Question: Besides paddy fields, cyan bacteria are also found inside vegetative part of
Options:
A) Pinus
B) Cycas
C) Equisetum
D) Psilotum
Show Answer
Answer:
Correct Answer: B
Solution:
- Cyanobacteria within the coralloid roots of Cycas are chemoheterotrophic and specifically adapted to life in symbiosis. Only a few species of cyanobacteria form associations with Cycas. Pinus is a gymnosperm. Equisetum belongs to vascular plants and to horse tail family. Psilotum belongs to division-Pteridophyta and is a fern like plant.