Q. No.___A___ and ___B___ provide micro-environments for
the development and maturation of T-lymphocytes. Here
A and B is :-
1. Spleen and thymus gland.
2. Thymus gland and MALT.
3. Bone marrow and thymus gland.
4. Spleen and MALT.
the development and maturation of T-lymphocytes. Here
A and B is :-
1. Spleen and thymus gland.
2. Thymus gland and MALT.
3. Bone marrow and thymus gland.
4. Spleen and MALT.
Recombinant DNA technology has allowed the
production of __A__ of pathogen in bacteria or yeast.
Here A is:-
| 1. | Pro-toxin. |
| 2. | Anti-bodies. |
| 3. | Antigenic polypeptide. |
| 4. | Antigenic polysaccharide. |
Vaccines are available for the disease like
I. Polio.
II. Diptheria.
III. Pneumonia.
IV. Tetanus.
1. I, II, III & IV
2. I and IV only
3. I only
4. I, II & IV only
Select correct sequence about life cycle of Plasmodium:
| 1. | Sporozoites (human)RBCsLiver cellsGametocytes in bloodBlood meal (female mosquito)Multiply (female mosquito)Sporozoites (female mosquito) |
| 2. | Sporozoiters (human)Liver cellsRBCsGametocytes in bloodBlood meal (female mosquito)multiply (female mosquito)Sporozoites (female mosquito) |
| 3. | Gametocytes (female mosquito)Gametocytes (human)RBCsMultiplySporozoitesBlood meal (human)Sporozoites (female mosquito)Multiply (female mosquito)Gametocytes (female mosquito) |
| 4. | Sporozoites (human)Liver cellsGametocytes in bloodRBCsBlood meal(female mosquito)Multiply (female mosquito)Sporozoites (female mosquito) |
When a quick immune response is required, we can
1. Directly inject weakened pathogen at time of emergency.
2. Directly inject preformed antigens.
3. Directly inject preformed antibodies.
4. Directly inject immunosuppressants.
Elephantiasis in man is caused by
1. Ancylostoma duodenale
2. Ascaris lumbricoides
3. Dracunculus medinensis
4. Wuchereria bancrofti
Salmonella typhi causes:
1. An acute infection of intestine that causes high fever and weakness
2. Enlargement of spleen and pain in stomach
3. Rose coloured rashes on the body
4. All of the above
Read the following statements about cancer and mark the incorrect ones
| (i) | Ionising radiations like x-rays and UV rays and non-ionizing radiations like gamma rays cause DNA damage leading to neoplastic transformation. |
| (ii) | CT scan uses non-ionizing radiations to accurately detect pathological and physiological changes in the living tissue. |
| (iii) | Antibodies against cancer-specific antigents are also used for detection of certain cancers. |
| (iv) | Some of the chemotherapeutic drugs are specific for certain cancers. |
| 1. | (i), (ii) and (iii) | 2. | (i) and (ii) |
| 3. | (iii) and (iv) | 4. | (ii) and (iv) |
Choose the correct option regarding the drug, its source, and its effect on the body
|
|
Drug |
Source |
Effect |
|
1. |
Coke |
Erythroxylum coca |
CNS depressant |
|
2. |
Heroin |
Papaver somniferum |
Stimulant |
|
3. |
Hashish |
Cannabis sativa |
Hallucinogen |
|
4. |
Datura |
Jimson's weed |
Stimulant |
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