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
Subtopic:  AIDS |
 65%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Which of the following is not a characteristic of HIV?

1.  It mutates rapidly developing new strains.
2.  It is a retrovirus with two short strands of ss RNA.
3.  It cannot pass through blood-brain barrier.
4.  It has the unique ability to destroy helper T cells.

Subtopic:  AIDS |
 79%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

The most common opportunistic infection associated with AIDS is :

1. Tuberculosis

2. Pneumocystis carinii pneumonia

3. Cryptococcal meningitis

4. Toxoplasma encephalitis

Subtopic:  AIDS |

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

advertisementadvertisement

When the genetic material of a retrovirus is introduced into an animal cell, it first:
1. is used as a template to produce viral DNA
2. is used as a template to produce more viral RNA
3. gets folded into a circular molecule
4. gets incorporated into the host genome
Subtopic:  AIDS |
 53%
Please attempt this question first.
Hints

The second-most frequent mode of HIV transmission is:
1. through sexual contact with an infected person
2. from mother to child during pregnancy, delivery, or breastfeeding
3. via blood and blood products
4. vector borne
Subtopic:  AIDS |
 53%
Please attempt this question first.
Hints
Please attempt this question first.

Identify the incorrectly matched pair:
1. CT Computed Tomography
2. MRI Magnetic Radiation Imaging
3. NACO National AIDS Control Organization
4. MALT Mucosa Associated Lymphoid Tissue
Subtopic:  Human Immune System | AIDS | Cancer |
 79%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

HIV:
I: uses phagocytic neutrophils as factory to produce more virus particles.
II: destroys B lymphocytes selectively.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  AIDS |
 59%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.