What is the key difference between prima | Class 12 Biology Chapter Microbes in Human Welfare, Microbes in Human Welfare NCERT Solutions

Question: What is the key difference between primary and secondary sewage treatment?

Answer:

	Primary sewage treatment		Secondary sewage treatment
1.	It is a mechanical process involving the removal of coarse solid materials.	1.	It is a biological process involving the action of microbes.
2.	It is inexpensive and relatively less complicated.	2.	It is a very expensive and complicated process.

1
0
0
Report?

Report a problem on Specifications:

Email id:

Comments

Next Question >

Popular questions of class 12 Biology

Q: What is spermatogenesis? Briefly describe the process of spermatogenesis.

Q: Why is reproduction essential for organisms? Answer

Q: Write a short note on
(a) Adaptations of desert plants and animals
(b) Adaptations of plants to water scarcity
(c) Behavioural adaptations in animals
(d) Importance of light to plants
(e) Effect of temperature or water scarcity and the adaptations of animals.

Q: With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte.

Q: What is DNA fingerprinting? Mention its application.

Q: Describe the structure of a seminiferous tubule.

Q: What is oogenesis? Give a brief account of oogenesis.

Q: What is triple fusion? Where and how does it take place? Name the nuclei involved in triple fusion.

Q: With a neat, labelled diagram, describe the parts of a typical angiosperm ovule.

Q: Explain the Law of Dominance using a monohybrid cross.

Recently Viewed Questions of Class 12 Biology

Q: Draw a well-labelled diagram of an antibody molecule.

Q: Give an account of energy flow in an ecosystem.

Q: List two essential roles of ribosome during translation.

Q: How many eggs do you think were released by the ovary of a female dog which gave birth to 6 puppies?

What is an algal bloom?

Sometimes cattle or even human beings give birth to their young ones that are having extremely different sets of organs like limbs/position of
eye(s) etc. Comment.

Q: Which property of DNA double helix led Watson and Crick to hypothesise semi-conservative mode of DNA replication? Explain.

Is there any relationship between dedifferentiation and the higher degree of success achieved in plant tissue culture experiments?

According to David Tilman, greater the diversity, greater is the primary productivity. Can you think of a very low diversity man-made ecosystem that has high productivity?

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 Microbes in Human Welfare.
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.

Notice: Undefined index: quesId in /var/www/html/ss_beta/saralstudy/ss_new/web/template/common/comment_section.php on line 3

Comments

Shreya awasthi
2019-12-11 06:57:49

Not properly answered

Ak
2018-09-15 00:59:07

Yoooo

kushal
2017-09-20 08:46:37

Thank you so much

Om Kumar Patra
2017-02-03 23:42:34

Thanks for this answer.

Comment(s) on this Question

Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 8: What is the key difference between primary and secondary sewage treatment?....

What is the key difference between prima | Class 12 Biology Chapter Microbes in Human Welfare, Microbes in Human Welfare NCERT Solutions

< Previous Question

Next Question >

Popular questions of class 12 Biology

Recently Viewed Questions of Class 12 Biology

Study Tips for Answering NCERT Questions:

Comments

Comment(s) on this Question

Chapters for Class 12 Biology

Subjects for Class 12

Students Also Read

Important links

Quick Links

Resources

Support