Infections and Diseases

Immunoglobulin G is most abundant Immunoglobulins (80% of the total Immunoglobulins) whereas Immunoglobulin E is the least abundant immunoglobulins (0.1% of the total Immunoglobulins).

CDC Vaccine is used as a control measure for bull neck, pertussis (whooping cough) and lockjaw.

Infantile paralysis is spread when the stool of an infected person is introduced into the mouth of another person through contaminated water or food (fecal-oral transmission).

Asthma, scurvy, diabetes mellitus: All are non-communicable diseases

Transmissible diseases are those diseases which are communicable by contact with a patient suffering from it, or with some secretion of, or object touched by, such a patient.
Dermatophytosis is a contagious fungal infection caused by mold-like parasites that live on the cells in the outer layer of your skin.
Hansen's disease or leprosy is contagious disease caused by a bacteria Mycobacterium leprae, but is not easily transmitted.

Variola vera is a highly contagious disease. People get infected with smallpox virus by inhaling droplets of saliva, which are full of virus, during face-to-face contact with an infected person.
Diphtheria (pair of leather scrolls) is spread (transmitted) from person to person, usually through respiratory droplets, from coughing or sneezing.
Influenza viruses are spread mainly by droplets made when people with flu cough, sneeze or talk.

Balantidiasis is a protozoan infection caused by infection with Balantidium coli.
Malaria parasites belong to the genus Plasmodium (protozoan).
Kala-azar (Leishmaniasis) is caused by Leishmania donovani (protozoan).
Giardiasis is caused by microscopic protozoan parasites known as Giardia intestinalis.

All are caused by nematodes.
Ascariasis is an infection caused by Ascaris lumbricoides, giant roundworm of humans belonging to the phylum Nematoda.
Ancylostomiasis is the condition of infection by Ancylostoma hookworms.
Enterobiasis (pinworm infection) is caused by a small, thin, white roundworm called Enterobius vermicularis.
Wuchereria bancrofti is a human parasitic roundworm that is the major cause of filariasis.

Tuberculosis (TB) is an infectious disease that is caused by a bacterium called Mycobacterium tuberculosis.
Anthrax is an infection that is caused by the bacteria Bacillus anthracis.
Tetanus or lockjaw is a serious infection caused by Clostridium tetani bacteria.
Cholera is an acute epidemic infectious disease caused by the bacterium Vibrio cholerae.

Aedes aegypti is a mosquito that can spread the breakbone fever, yellow plague and chikungunya, apart from other diseases.

Aedes aegypti is the primary vector of the Breakbone fever .
Glossina palpalis is the main vector of African trypanosomiasis.
Philariasis is transmitted by female culex mosquito.
Visceral leishmaniasis is transmitted by Phlebotomus argentipes.
Thus, this option is correct.
 

Chikungunya is a viral disease transmitted to humans by infected mosquitoes.
Rabies is a viral disease that is spread most often from the bite of a rabid animal to another animal or to a human.
Poliomyelitis is a highly contagious infectious disease caused poliovirus.
Common cold is a mild viral infection of the nose, throat, sinuses and upper airways.

Whooping cough or pertusis is caused by Bordetella pertusis.
Hansen’s disease or leprosy is caused by Mycobacterium leprae.
Black death or plague is caused by Yersinia pestis.
Sleeping sickness is caused by Trypanosoma brucei.

A is correct whereas R is incorrect.
Human immunodeficiency virus (HIV) is spherical with diameter of about 90-120 nm. Its genome consists of single stranded RNA associated with reverse transcriptase enzyme.