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Direction: Read the passage carefully given below and answer the questions that follow: All these years scientists and biomedics went on experimenting on animals paying little or no attention to the plight of the living things. Many scientists say that they have faced absolutely no problem in getting clearances for the number or kind of animals to be experimented upon.

In eight institutes across the country, horses are used for manufacturing antidotes for snakebite. The horses are administered the venom and after a certain period the blood is extracted. The antibodies produced to counter the venom are then used to prepare the antidote. Excessive and random injection of venom without proper precautions had resulted in some horses losing their eye sight. Many even developed different kinds of skin infections.

All these violate a host of rules accepted internationally. Another case which brings out the ignorance in the scientific establishment involves the anti-rabies vaccine made from sheep's brain. This requires infecting the sheep's brain with the rabies virus, much of which is done without giving anaesthesia. The brain is then removed and with the help of the antibodies produced by the sheep, a vaccine is prepared.

The World Health Organisation banned this vaccine in 1980. Today, India and Tunisia are the only two countries where neurogenic tissue vaccines continue to be produced. Recently, a researcher made a demand for about 120 monkeys. In the end, the researcher agreed to bring the demand down to 25. This means the project can actually be done with 25 monkeys. So why did they ask for more in the first place? Obviously, a proper estimate was never made out.

India along with another country are the only two producers of:

A) Neurogenic tissue vaccines

B) Rabies vaccines

C) Antibodies

D)  Venom

E) None of these