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.