The given characters are seen in which of the following group?
$(i)$ Unicellular,colonial,filamentous,symbiotic or free living.
$(ii)$ The colonies are surrounded by a gelatinous sheath.
$(iii)$ Some can fix atmospheric nitrogen in specialized cells called heterocysts.
$(iv)$ They often form blooms in water bodies.

  • A
    Archaebacteria
  • B
    Cyanobacteria
  • C
    Chrysophytes
  • D
    Dinoflagellates

Explore More

Similar Questions

Which of the following granules or structures are present in cyanobacteria?

The 'Witches' broom' of legumes is caused by a

Which of the following characters of $Nostoc$ resembles other prokaryotes?

$A$ bacterium is capable of withstanding extreme heat,dryness,and toxic chemicals. This indicates that it is probably able to form

Specialized cells for fixing atmospheric nitrogen in $Nostoc$ are

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo