Identify the molecules (a) and (b) shown below and select the right option giving their source:

(a)
(b)

 

	Molecule	Source	Use
1.	(a) Cocaine	Erythroxylum coca	Accelerates the transport of dopamine
2.	(b) Heroin	Cannabis Sativa	Depressant and slows down body functions
3.	(b) Cannabinoid	Atropa belladonna	Produces hallucinations
4.	(a) Morphine	Papaver somniferum	Sedative and painkiller

At which stage of HIV infection does one usually show symptoms of AIDS?

Which of the following immunoglobulins does constitute the largest percentage in human milk?
1. Ig M
2. Ig A
3. Ig G
4. Ig D

Which of the following viruses is not transferred through semen of an infected male?

Match each disease with its correct type of vaccine :

    (a) (b) (c) (d)
1. (iii) (ii) (iv) (i)
2. (iv) (iii) (ii) (i)
3. (i) (ii) (iv) (iii)
4. (ii) (i) (iii) (iv)

If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidences?
1. Serum albumins
2. Haemocytes
3. Serum globulins
4. Fibrinogin in plasma

Which of the following diseases is caused by a protozoan ?
1. Influenza
2. Babesiosis
3. Blastomycosis
4. Syphilis

Antivenom injection contains preformed antibodies while polio drops that are administered into the body contain :
1. Attenuated pathogens
2. Activated pathogens
3. Harvested antibodies
4. Gamma globulin

In higher vertebrates, the immune system can distinguish self-cells and non-self. If this property is lost due to genetic abnormality and it attacks self-cells, then it leads to :

MALT constitutes about __________percent of the lymphoid tissue in human body.