Which of the following about AIDS virus is incorrect ?

1.	AIDS virus is RNA virus
2.	The major cell infected by HIV is Helper T lymphocyte that bears ${\mathrm{CD}}_4$ receptor sites
3.	The attachment of virus of ${\mathrm{CD}}_4$ receptor site is by the help of GP-4 T on the protein coat of virus
4.	The genome of HIV consists of two identical molecules of single stranded RNA

Antitoxin consists of 

1. Antibodies

2. Toxoid

3. Antibiotics 

4. Live attenuated pathogen

Select the correct match:

Select the correct statement

Which of the following statement is not correct regarding malarial infection?

1. Plasmodium enters the human body as sporozoites through the bite of freshly moulted female Anopheles mosquito

2. High fever recurring every three to four days

3. Sporozoites initially multiple within the liver cells and then attack the RBCs resulting in their rupture.

4. When a female Anopheles mosquito bites an infected person, these parasites enter the mosquito's body and undergo further development.

Out of the following diseases which are caused due to bacterial infection?

1. a & b only
2. b & c only
3. a, c & d only
4. a, b, c & d

Internal bleeding, muscular pain, fever, anaemia and blockage of the intestinal passage are the common symptoms of

1. Amoebiasis

2. Elephantiasis

3. Ascariasis

4. Typhoid

Which of the following is very effective sedative and
pain killer?
1. Cocaine.
2. Heroin.
3. Morphine.
4. Cannabis extract

Cellular oncogenes can be best explained as

___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.