SELECT * FROM question_mgmt as q WHERE id=4342 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=12 AND subId=16 AND chapterId=365 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 8th science Microorganisms: Friend and Foe write 10 lines on the usefulness of microorganisms

Question:

Write 10 lines on the usefulness of microorganisms in our lives.

Answer:

Microorganisms are useful for the human beings and the plants in the following ways:

  1. Rhizobium bacteria increase fertility of soil by fixing free nitrogen of atmosphere.
  2. Lacto bacillus bacteria helps in making the curd of the milk.
  3. Mushrooms are edible fungi.
  4. Antibiotics like penicillin are made from fungi.
  5. Yeast is used in the preparation of the alcohol, wine and beer etc.
  6. Some bacteria are used for tanning of leather.
  7. Bacteria and fungi are decomposers and acts as natural cleansing agents.
  8. Blue- green algae increase the fertility of the soil.
  9. Yeasts are useful in making idli, dosa, processed cheese, pizza dough etc.
  10. Microorganisms make compost manure.


< Previous Question

Next Question >

SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='12' AND subId='16' AND ex_no!=0 AND status=1 and id!=4342 ORDER BY views desc, last_viewed_on desc limit 0,10

  • Popular questions of class 8 Science

SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='12' AND subId='16' AND ex_no!=0 AND status=1 and id!=4342 ORDER BY last_viewed_on desc limit 0,10

  • Recently Viewed Questions of Class 8 Science

Comments

  • Answered by Ekta Mehta
  • 4 months ago

Taking Screenshots on your Samsung Galaxy M31s is very easy and quick.

  • Answered by Ekta Mehta
  • 4 months ago

Taking Screenshots on your Samsung Galaxy M31s is very easy and quick.

  • Answered by Ekta Mehta
  • 4 months ago

Taking Screenshots on your Samsung Galaxy M31s is very easy and quick.

Comment(s) on this Question


NCERT Solutions

Quick Links

Resources

Support