Read the following passage and ff1 …

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Read the following passage and ff1 in the blanks with one word only. Write the answers in your answer sheet against the correct blank numbers. (½ x 8 = 4 marks)
Despite the tremendous (a) .......in the medical field, no drug is yet (b) .........for the treatment of viral diseases. Edward Jenner invented vaccination in 1796. A (c) .......is a preparation of heat killed micro-organisms. When a small (d) ........of such micro-organisms is injected into the human body, the body (e) ......immunity against that particular microbe. This is the basic (f) .......of vaccination. Now vaccines are available (g) ............a number of diseases. Such vaccines are (h) .......and risk-free.
Posted by Sindhu S Shastry 8 years, 10 months ago
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Shweta Gulati 8 years, 10 months ago
(a) advancement
(b) developed
(c) vaccine
(d) amount
(e) produces
(f) principle
(g) for
(h) beneficial
2Thank You