Read the following statements and choose the correct ones:
(i) Rubella is also called German measles.
(ii) Syphilis is an STD caused by protozoan.
(iii) Inability of heart to pump sufficient blood is called heart failure.
(iv) Rheumatoid arthritis is caused due to wear and tear of articular cartilage.
Important Questions on Human Health and Disease
Match the following columns and select the correct option:-
| Column | Column | ||
| (i) | Typhoid | (a) | Haemophilus influenzae |
| (ii) | Malaria | (b) | Wuchereria bancrofti |
| (iii) | Pneumonia | (c) | Plasmodium vivax |
| (iv) | Filariasis | (d) | Salmonella typhi |
Name the disease caused by the following organism:
Rhino virus
1) The trophozoites multiply by binary fission and produce cysts and both stages are passed in the faeces.
2) Trophozoites migrate to the large intestine.
3) Excystation occurs in the small intestine and trophozoites are released.
4) Infection by Entamoeba histolytica occurs by ingestion of mature cysts in fecally contaminated food, water, or hands.
The common cold is mostly caused by Rhinoviruses. Which of the following treatments will provide the best cure for this infectious agent?
Match the following diseases with the causative organism and select the correct option.
| Column-I | Column-II | ||
| (a) | Typhoid | (i) | Wuchereria |
| (b) | Pneumonia | (ii) | Plasmodium |
| (c) | Filariasis | (iii) | Salmonella |
| (d) | Malaria | (iv) | Haemophilus |
Arrange them in correct sequence.
Amoeboid stage
Trophozoite
Schizont
Signet ring stage
Erythrocytic merozoites
Identify the sequence of stages in the Golgi cycle of Plasmodium vivax.
a) Schizont
b) Amoeboid
c) Trophozoite
d) Signet-ring
Study the following and pick up the correct combination.
Draw a well-labelled diagram to show replication of HIV in human cells.
Bovine spongiform encephalitis-Cows
Rubella-Beef
Scrapie disease-Sheep
Creutzfeldt -Jakob disease-Man
