Which of the following statements is false ?
1. When people are healthy they are more efficient at work.
2. Regular exercise is very important to maintain good health.
3. Health means only absence of disease
4. Health increases longevity of people and reduces infant and maternal mortality.
Which of the following is a secondary lymphoid organ?
1. Thymus
2. Kidney
3. Bone marrow
4. Spleen
Which of the following drugs is not obtained from plants :-
1. Cocaine
2. Ganja
3. Charas
4. Barbiturates
Which of the following statements is not true regarding active acquired immunity :-
1. It is species non specific
2. It is antigen specific
3. It shows slow but long lasting effect
4. It is used in prophylaxis
AIDS is caused by HIV, among the following, which one is not a mode of transmission of HIV?
1. Transfusion of contaminated blood
2. Sharing the infected needles
3. Shaking hands with infected prersons
4. Sexual contact with infected persons
(i) Thymus
(ii) Spleen
(iii) Appendix
(iv) MALT
(v) Bone marrow
How many of the above are secondary lymphoid organs except?
1. ii, iii, iv only
2. i, v only
3. i, ii, iii, iv, v
4. i, ii, iii, iv only
Antibodies present in colostrum
1. IgG
2. IgA
3. IgD
4. IgE
In malaria infection the rupture of RBCs is associated with release of a toxic substance called
1 Hypnotoxin
2 Haemozoin
3 Ascaron
4 Haemotoxin
Which of the following is mismatched with respect to the following events which occur in the life cycle?
1 Erythrocytic schizogony | : The rupture of RBCs is associated with the release of a toxic substance hemozoin, which is responsible for the chill and high fever |
2 Gametocytes | : Sexual stages develop in intestine of mosquito |
3 Fertilization | : Takes place in intestine/stomach of mosquito |
4 Schizogony in liver cells | : The parasite reproduces asexually in liver cells bursting the cell and releasing merozoites into the blood |
Mucus coating of the epithelium lining the respiratory, gastrointestinal and urogenital tracts, helps in trapping microbes entering our body. This is included in which of the following barriers?
1 Physical barriers
2 Physiological barriers
3 Cellular barriers
4 Cytokines barriers