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NCERT solutions for Class 12 Biology chapter 8 - Human Health and Disease

Biology Textbook for Class 12

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Chapters

NCERT Biology Class 12

Biology Textbook for Class 12

Chapter 8 - Human Health and Disease

Page 164

Q 7 | Page 164

The following are some well-known abbreviations, which have been used in this chapter. Expand each one to its full form:

(a) MALT

(b) CMI

(c) AIDS

(d) NACO

(e) HIV

Page 164

Q 1 | Page 164

What are the various public health measures, which you would suggest as safeguard against infectious diseases?

Q 2 | Page 164

In which way has the study of biology helped us to control infectious diseases?

Q 3 | Page 164

How does the transmission of each of the following diseases take place?

(a) Amoebiasis

(b) Malaria

(c) Ascariasis

(d) Pneumonia

Q 5 | Page 164

Discuss with your teacher what does ‘a suitable gene’ means, in the context of DNA vaccines.

Q 6 | Page 164

Name the primary and secondary lymphoid organs

Q 8.1 | Page 164

Differentiate the following and give examples of Active and passive immunity

Q 8.2 | Page 164

Differentiate the following Innate and acquired immunity

Q 9 | Page 164

Draw a well-labelled diagram of an antibody molecule.

Q 10 | Page 164

What are the various routes by which transmission of human immunodeficiency virus takes place?

Q 11 | Page 164

What is the mechanism by which the AIDS virus causes deficiency of immune system of the infected person?

Q 12 | Page 164

How is a cancerous cell different from a normal cell?

Q 13 | Page 164

Explain what is meant by metastasis.

Q 14 | Page 164

List the harmful effects caused by alcohol/drug abuse.

Q 15 | Page 164

Do you think that friends can influence one to take alcohol/drugs? If yes, how may one protect himself/herself from such an influence?

Q 16 | Page 164

Why is that once a person starts taking alcohol or drugs, it is difficult to get rid of this habit? Discuss it with your teacher.

Q 17 | Page 164

In your view what motivates youngsters to take to alcohol or drugs and how can this be avoided?

NCERT Biology Class 12

Biology Textbook for Class 12

NCERT solutions for Class 12 Biology chapter 8 - Human Health and Disease

NCERT solutions for Class 12 Biology chapter 8 (Human Health and Disease) include all questions with solution and detail explanation from Biology Textbook for Class 12. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has created the CBSE Biology Textbook for Class 12 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at shaalaa.com are providing such solutions so that students can prepare for written exams. These NCERT textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 12 Biology chapter 8 Human Health and Disease are Common Diseases in Humans, AIDS, Adolescence - Drug and Alcohol Abuse, Introduction of Human Health and Diseases, Maintaining Good Health, Yoga, Excercise, Infectious and Non Infectious Disease, Concept of Immunity, Human Health and Diseases (Questions), Concept of Cancer, Introduction of Drugs and Alcohol Abuse, Addiction and Dependence, Effects of Drug/Alcohol Abuse, Prevention and Control.

Using NCERT solutions for Class 12 Biology by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in NCERT Solutions are important questions that can be asked in the final exam. Maximum students of CBSE Class 12 prefer NCERT Textbook Solutions to score more in exam.

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