Q. No.
Select the option where all columns are correctly matched:
|
Disease |
Causative organism |
Feature |
|
|
1. |
Malignant malaria |
Plasmodium ovale |
Cerebral involvement |
|
2. |
Typhoid |
Salmonella typhi |
Confirmed by the VDRL test |
|
3. |
Elephantiasis |
Wuchereria bancrofti |
Waterborne disease |
|
4. |
Ringworm |
Microsporum |
Intense itching |
Which of the following drugs has a potent stimulating action of central nervous system?
1. Morphine
2. Cocaine
3. Barbiturate
4. Benzodiazepine
A cell:
I. Loses the property of contact inhibition
II. Shows uncontrolled proliferation
III. Invades the neighboring tissues
This cell is probably:
1. Mutated
2. Cancerous
3. Dedifferentiated
4. Apoptotic
Common cold is not cured by antibiotics because it is
1. caused by a Gram-negaive bacterium
2. not an infectious disease
3. viral disease
4. caused by a Gram-positive bacterium
Consider the given stages in the life cycle of Plasmodium and choose the correctly matched pair:
| 1. | A | Merozites infect humans when mosquito bites |
| 2. | B | The parasite reproduces sexually in liver cells |
| 3. | C | Symptoms of malaria |
| 4. | D | Fertilization in the hemocoel of the mosquito |
In the given diagram, A and B respectively represent:
| 1. | The N and the C terminus of the polypeptide |
| 2. | The C and the N terminus of the polypeptide |
| 3. | The constant and variable regions of the antibody molecule |
| 4. | The variable and constant regions of the antibody molecule |
Study the diagram given and choose the correct statement:
| 1. | A: Retrovirus replicates outside the cell |
| 2. | B: Viral DNA is produced by the host's enzyme - reverse transcriptase |
| 3. | C: Viral DNA incorporates into the host genome |
| 4. | D: New viral DNA is produced by the infected cell |
Consider the following statements:
| I: | Innate immunity is a non-specific type of defense that is present at the time of birth. |
| II: | Acquired immunity is pathogen-specific and is characterized by memory. |
| III: | Memory-based acquired immunity developed in higher vertebrates based on the ability to distinguish self from non-self. |
Which of the above statements are true?
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II and III |
Consider the following statements:
| I: | HIV is a retrovirus. |
| II: | It infects and destroys the CD4 T-lymphocytes. |
| III: | The newer antiretroviral drugs are a cure for HIV infection. |
Which of the above statements are true?
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II, and III |
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