At which stage of HIV infection does one usually show symptoms of AIDS?
Within 15 days of sexual contact with an infected person
When the infected retro virus enters host cells
When HIV damages large number of helper T-Lymphocytes
When HIV damages large number of helper T-Lymphocytes
C.
When HIV damages large number of helper T-Lymphocytes
AIDS symptoms appear in the most advanced stage of HIV disease. Some people shows HIV symptom shortly but it usually takes more than 10 years HIV attacks T- helper cells which regulate both hormonal and cellular immunity). This causes their depletion due to which patients immune system becomes very weak.
Cirrhosis of liver is caused by the chronic intake of
opium
alcohol
tobacco(chewing)
tobacco(chewing)
Which of the following diseases is caused by a protozoan?
Syphilis
Influenza
Babesiosis
Babesiosis
Which is the particular type of drug that is obtained from the plant whose one flowering branch is shown below?
Hallucinogen
Depressant
Stimulant
Stimulant
Read the following four statements:
1. Colostrum is recommended for the new born because it is rich in antigens.
2. Chikengunya is caused by a Gram negative bacterium.
3. Tissue culture has proved useful in obtaining virus-free plants.
4. Beer is manufactured by distillation of fermented grape juice.
How many of the above statements are wrong?
Two
Three
Four
Four
Motile zygote of Plasmodium occurs in
Human RBCs
Human liver
Gut of female Anopheles
Gut of female Anopheles
Common cold differs from pneumonia in that
pneumonia is a communicable disease whereas the common cold is a nutritional deficiency disease
Pneumonia can be prevented by a live attenuated bacterial vaccine whereas the common cold has no effective vaccine
Pneumonia is caused by a virus while the common cold is caused by the bacterium haemophilus influenzae
Pneumonia is caused by a virus while the common cold is caused by the bacterium haemophilus influenzae
If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?
Fibrinogin in plasma
Serum albumins
Haemocytes
Haemocytes
Grafted kidney may be rejected in a patient due to
Humoral immune response
Cell-mediated immune response
Passive immune response
Passive immune response
