NCERT Solutions for Class 12 Biology Chapter 8 Human Health and Disease in Hindi Mediem
Download the Class 12 Biology NCERT Solutions in Hindi medium and English medium as well offered by the leading e-learning platform Vedantu. If you are a student of either Class 11 or 12, you have reached the right platform. The NCERT Solutions for Class 12 Biology in Hindi provided by us are designed in a simple, straightforward language, which are easy to memorise. You will also be able to download the PDF file for NCERT Solutions for Class 12 Science all subjects in Hindi from our website at absolutely free of cost.
Apart from Class 12 Biology NCERT Solutions in Hindi, students of Class 11 can also download the NCERT Solutions for Biology in Hindi medium from Vedantu site. These solutions are written as per the latest CBSE guidelines and explained with minute details. Besides, students of Class 11 and 12 can also download the NCERT Solutions PDF files for Physics, and Math from Vedantu’s site.
NCERT, which stands for The National Council of Educational Research and Training, is responsible for designing and publishing textbooks for all the classes and subjects. NCERT textbooks covered all the topics and are applicable to the Central Board of Secondary Education (CBSE) and various state boards.
We, at Vedantu, offer free NCERT Solutions in English medium and Hindi medium for all the classes as well. Created by subject matter experts, these NCERT Solutions in Hindi are very helpful to the students of all classes. You can download the PDF files of NCERT Solutions for Class 6th, 7th, 8th, 9th, 12th, 11th, and 12th for absolutely free.
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FAQs on NCERT Solutions for Class 12 Biology Chapter 8 Human Health and Disease in Hindi
1. What does ‘a suitable gene’ mean, in the context of DNA vaccines?
A suitable gene is the specific DNA used in DNA vaccines, which have segments of specific DNA that are injected inside the host body. This specific DNA segment produces a protein in the body of the host. This protein in turn kills the organisms that can have the capability of causing specific diseases to the host body. By killing the disease-causing microorganisms, the host body produces immunity to the specific microorganisms.
2. Name the primary and secondary lymphoid organs?
Primary Lymphoid Organs of the human body includes:
The bone marrow
Whereas, Secondary Lymphoid Organs of the human body include:
Peyer’s patches of the small intestine
3. Give the full form of the following of
The full forms of the following are:
MALT- Mucosa-Associated Lymphoid Tissue
CMI- Cell-Mediated Immunity
AIDS- Acquired Immunodeficiency Syndrome
NACO- National AIDS Control Organization
HIV- Human ImmunoDeficiency virus.
4. Differentiate between Innate and Acquired Immunity?
Innate Immunity is inherited by the parents. It protects the host body from disease-causing microorganisms. It is a non-pathogenic specific type of defence mechanism. It also does not have a specific memory.
Acquired immunity is produced by primary and secondary lymphoid organs. It is a pathogenic specific type of defence mechanism. It has a specific memory towards disease.
5. What is the reason behind suffering from AIDS? How are they developed in human beings?
AIDS or Acquired Immunodeficiency Syndrome is caused in human beings due to HIV (Human Immunodeficiency Virus). It is transmitted in the following ways:
Unprotected intercourse with the infected person.
Sharing of infected syringes and needles.
Mixing up the blood from an infected person with a healthy person.
Transfer of virus from the placenta of an infected mother to her child.