English

Write short (2-3 sentences) note on AIDS.

Advertisements
Advertisements

Question

Write short (2-3 sentences) note on AIDS.

Short/Brief Note
Advertisements

Solution

AID’S (Acquired Immune Deficiency Syndrome):  It is a viral disease caused by the virus called HIV (Human immuno deficiency virus) This virus makes the defence mechanism of the human body very weak. The immune system in the body as W.B.C. becomes weak. Thus the person catches the infectious diseases very easily. This disease spreads through sexual contact as one of the partner may be carrier of the disease. It may spread through the blood transfusion and infected syringes, blades of the barbers, it may infect the developing baby through the blood by the mother. It is very deadly disease.

shaalaa.com
  Is there an error in this question or solution?
Chapter 8: Diseases and First Aid - Short Answer Questions [Page 80]

APPEARS IN

Dr. K. K. Gupta Concise Biology [English] Class 8 ICSE
Chapter 8 Diseases and First Aid
Short Answer Questions | Q 3.4 | Page 80

RELATED QUESTIONS

Name the following:  

Three mineral-deficiency diseases.


Write very briefly about the following:

Chicken pox


Name the following: 

 A viral disease spread by the bite of a dog


 Write a short (1-2 sentences) note on the following: Disease


Given below is a crossword puzzle. Read the clues across and clues down, and fill up the blank squares. Check up your performance with the correct solution given at the end.

Clues across

1. Category of pathogen that causes diseases, like common cold and mumps.

5. This is the vaccine for preventing tuberculosis.

6. An organ usually affected by tuberculosis

7. Jumbled spelling of one of the most common insect which visits our exposed foods and contaminates them.

8. Cover this part of your body by a handkerchief while sneezing to prevent droplet infection to others.

9. These may readily grow in your hair, if you do not wash it regularly.

10. A disease that weakens body’s defence system against infections. 

Clues down

1. Germ or germ-substance introduced into the body to prevent occurrence of an infectious disease.

2. A disease caused by an infected dog, and which affects the central nervous system.

3. A disease in which the eyes, the skin and the urine turn yellow.

4. The disease pertussis is popularly known as whooping 

1  V   2 U     3 4
            A O
    5  B       U  
        6  L     G
7  I S   F       H
8   S       I  
E       9 I C  
  10 A   D     E  

Fill in the blank:

One of the diseases caused by protozoa is ______.


 Match the items in Column A with those in Column B:

Column A Column B
1 Beri-beri a Vitamin C
2 Anaemia b Vitamin D
3 Scurvy c Vitamin A
4 Rickets d Vitamin B1
5 Goitre e Iron
6 Night blindness f Iodine

Give examples of diseases caused by: Ingesting infected food and water


Antibiotics commonly block biochemical pathways important for the growth of ______.


Name the target organs for the following diseases

Hepatitis targets ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×