Browse by Stream
-
Engineering and Architecture
Exams
Colleges
Predictors
Resources
-
Computer Application and IT
Quick Links
Colleges
-
Pharmacy
Colleges
Resources
-
Hospitality and Tourism
Colleges
Resources
Diploma Colleges
-
Competition
Other Exams
Resources
-
School
Exams
Top Schools
Products & Resources
-
Study Abroad
Top Countries
Resources
-
Arts, Commerce & Sciences
Colleges
Upcoming Events
Resources
-
Management and Business Administration
Exams
Colleges & Courses
Predictors
-
Learn
Law Preparation
MBA Preparation
Engineering Preparation
Medical Preparation
-
Online Courses and Certifications
Top Streams
Specializations
- Digital Marketing Certification Courses
- Cyber Security Certification Courses
- Artificial Intelligence Certification Courses
- Business Analytics Certification Courses
- Data Science Certification Courses
- Cloud Computing Certification Courses
- Machine Learning Certification Courses
- View All Certification Courses
Resources
-
Medicine and Allied Sciences
Colleges
Predictors
Resources
-
Law
Resources
Colleges
-
Animation and Design
Exams
Predictors & Articles
Colleges
Resources
-
Media, Mass Communication and Journalism
Colleges
Resources
-
Finance & Accounts
Top Courses & Careers
Colleges
Get Answers to all your Questions
- #National Eligibility Cum Entrance Test
- #Diversity in Living World
- #National Eligilibility Cum Entrance Test
- #Class 11
- #Biology
- #Medical
Which of the following options represent a pair of cyanobacteria
Option: 1
Nostoc and Methanobacterium
Option: 2
Spirulina and Oscillatoria
Option: 3
Thermoproteus and Rivularia
Option: 4
E. coli and Nostoc
Answers (1)
Cyanobacteria -
- Cyanobacteria are also known as blue-green algae are photosynthetic prokaryotes.
- They are considered to be the most ancient forms of algae.
- Cyanobacteria are found in all kinds of environments.
- They possess photosynthetic pigments like chlorophyll a, phycocyanin and carotenoids.
- Their reserve food material is cyanophycean starch.
- They are unicellular, colonial or filamentous organisms.
- Each filament remains covered in a mucilage covering.
- Flagella are absent in cyanobacteria.
- Cyanobacteria do not have chloroplasts. Photosynthesis takes place in membranous stacks called chromatophores.
- Cyanobacteria possess heterocysts which are thick-walled cells that are found in terminal, intercalary or lateral position. It is involved in the nitrogen fixation.
- Examples: Spirulina ( highly proteinaceous superfood ), Nostoc, Oscillatoria, Anabaena and Rivularia etc.
-Spirulina and Oscillatoria are cyanobacteria.
View full answer
NEET 2024 Most scoring concepts
- Just Study 32% of the NEET syllabus and Score up to 100% marks
