State two economically important uses of | Class 11 Biology Chapter Biological Classification, Biological Classification NCERT Solutions

Welcome to the NCERT Solutions for Class 11 Biology - Chapter Biological Classification. This page offers a step-by-step solution to the specific question from Exercise 1, Question 2: . With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.

Question 2: State two economically important uses of: (a) Heterotrophic bacteria (b) Archaebacteria
Answer:

(a) Heterotrophic bacteria

(1) Many bacteria like Lactobacillus helps in the production of curd from milk.

(2) They act as decomposers and help in the formation of humus e.g. Pseudomonas.

(3) Many antibiotics are obtained from some species of bacteria like streptomyces, Bacillus etc.

(4) Many soil bacteria help in fixation of atmospheric nitrogen like Rhizobium (Symbiotic), Azotobacter (Free living).

 

(b) Archaebacteria

(1) Methane gas is produced from the dung of ruminants by the methanogens.

(2) Methanogens are also involved in the formation of biogas and sewage treatment.


Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about Biological Classification.
  • Review previous year question papers to get an idea of how such questions may be framed in exams.
  • Practice answering questions within the time limit to improve your speed and accuracy.
  • Discuss your answers with your teachers or peers to get feedback and improve your understanding.

Latest Blog Posts

Stay updated with our latest educational content and study tips

Smart Questions to Ask in a Parent-Teacher Meeting | PTM Made Easy

Parent-Teacher Meetings (PTMs) are more than quick updates on marks — they’re a chance to build a real partnership between home and school. A good Parent-Teacher Meeting conversation helps parents see beyond grades. It opens up insights about a child’s strengths, struggles, emotions and even hidden talents. When parents participate actively, they don’t just track […]

Read More

The Secret to Smarter Learning — Building Strong Critical Thinking Skills

In today’s world of endless information , knowing how to think is more important than knowing what to think . From school projects to real – life decisions , critical thinking helps students question ideas , analyze facts and form logical conclusions . But what exactly does critical thinking mean ? Simply put , it’s […]

Read More

Study Smarter, Not Harder: Build Productive Habits That Stick

Every student dreams of better grades , stronger focus and more study time – but the real challenge isn’t starting, it’s staying consistent . Building productive study habits is not about studying all day , it’s about studying smart . In today’s fast – paced digital world, distractions are everywhere – from endless phone notifications […]

Read More

The Hidden Risks of Online Gaming for Children — Is your child safe while gaming online?

Online gaming has rapidly become one of the most popular pastimes among children. Whether it’s multiplayer mobile games , PC adventures or console challenges , kids are spending more time than ever in the virtual world . On the surface, gaming seems entertaining and even educational – improving hand- eye coordination , teamwork and problem […]

Read More

Comments

  • Awadhesh
  • Nov 01, 2019

Thanku for the study material


  • Leo
  • Oct 20, 2019

Thanku


  • Deepak
  • Aug 29, 2019

Very use ful


  • davidSlurb
  • Jul 17, 2019

I definitely liked entire lot that was written. I'd love to abide by reading more and more. I liking be happy to learn as much as I can I surely admire you an eye to the sequel so well done recognition you acutely much to save the time. Successfully!


  • Bob
  • Jul 17, 2019

Both points for archaebacteria are similar


  • Meet parmar
  • Jul 07, 2019

HELPED ME , THANK YOU


  • HeeroHero
  • Jun 30, 2019

Nice to me


  • Raji
  • Jun 24, 2019

Can you give us notes for every lessons of class 11 (cbse)?


  • Digvijay
  • May 24, 2019

Good But Stay main points and some points are confused us ......Nice job for Answers help Thanku


  • the bio world
  • Apr 10, 2019

biology is limitless the more u try find the more u get confused 😂😂😂


Add Comment

Welcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 2: State two economically important uses of: (a) Heterotrophic bacteria (b) Archaebacteria....