Q. No.Consider the following four statements (a-d) regarding kidney transplants and select the two correct ones out of these.
(a) Even if a kidney transplant is proper the recipient may need to take immuno-suppressants for a long time
(b) The cell-mediated immune response is responsible for the graft rejection
(c) The B- lymphocytes are responsible for rejection of the graft
(d) The acceptance or rejection of a kidney transplant depends on specific interferons
The two correct statements are
1. (c) and (d)
2. (a) and (c)
3. (a) and (b)
4. (b) and (c)
(a) Even if a kidney transplant is proper the recipient may need to take immuno-suppressants for a long time
(b) The cell-mediated immune response is responsible for the graft rejection
(c) The B- lymphocytes are responsible for rejection of the graft
(d) The acceptance or rejection of a kidney transplant depends on specific interferons
The two correct statements are
1. (c) and (d)
2. (a) and (c)
3. (a) and (b)
4. (b) and (c)
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Select the correct statement from the ones given below:
| 1. | Morphine is often given to persons who have undergone surgery as a painkiller. |
| 2. | Chewing tobacco lowers blood pressure and heart rate. |
| 3. | Cocaine is given to patients after surgery as it stimulates recovery. |
| 4. | Barbiturates when given to criminals make them tell the truth. |
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Which one of the following options gives the correct matching of a disease with its causative organism and mode of infection.
|
Disease |
Causative Organisms |
Mode of Infection |
|
|
1. |
Typhoid |
Salmonella typhi |
With inspired air |
|
2. |
Pneumonia |
Streptococcus pneumoniae |
Droplet infection |
|
3. |
Elephantiasis |
Wuchereria bancrofti |
infected water and food |
|
4. |
Malaria |
Plasmodium vivax |
Bite of male anopheles mosquito |
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Common cold is not cured by antibiotics because it is
1. caused by a virus
2. caused by a Gram-positive bacterium
3. caused by a Gram-negative bacterium
4. not an infectious disease
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Select the correct statement with respect to diseases and immunisation?
| 1. | If due to some reason B-and T-lymphocytes are damaged, the body will not produce antibodies against a pathogen |
| 2. | Injection of dead / inactivated pathogens causes passive immunity |
| 3. | Certain protozoans have been used to mass produce hepatitis B vaccine. |
| 4. | Injection of snake antivenom against snake bite is an example of active immunisation |
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Motile zygote of Plasmodium occurs in
1. Gut of female Anolpheles
2. Salivary glands of Anopheles
3. Human RBCs
4. Human liver
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Common cold differs from pneumonia in, that:
| 1. | Pneumonia is a communicable disease whereas the common cold is a nutritional deficiency disease |
| 2. | Pneumonia can be prevented by a live attenuated bacterial vaccine whereas the common cold has no effective vaccine |
| 3. | Pneumonia is caused by a virus while the common cold is caused by the bacterium Haemophilus influenzae |
| 4. | Pneumonia pathogen infects alveoli whereas the common cold affects the nose and respiratory passage but not the lungs |
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Which one of the following is not a property of cancerous cells whereas, the remaining three are?
1. They compete with the normal cells for vital nutrients.
2. They do not remain confined in the area of formation.
3. They divide in an uncontrolled manner.
4. They show contact inhibition.
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