Question

Match List-I with List-II and select the correct answer using the codes given below:

List-I (Inventor)	List-II (Invention)
(a) Jonas Salk	(i) Malarial Parasite
(b) George Mestral	(ii) Polio Vaccine
(c) Ronald Ross	(iii) Velcro
(d) Edward Jenner	(iv) Small Pox vaccine

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

Answer 1

Correct Answer - Option 3 : (a) - (ii), (b) - (iii), (c) -(i), (d) - (iv)

• Vaccination is the injection of a weakened organism that works on the property of ‘memory’ of the immune system.
• Polio is a viral disease caused by the poliovirus.
• Smallpox is also a deadly virus disease.
• Malaria is a mosquito-based parasite infection.

Explanation:

Dr Jonas Salk:

• Jonas Salk discovered and developed the first polio vaccine.
• The first polio vaccine was the inactivated polio vaccine and came into use in 1955.
• The Salk vaccine, or inactivated poliovirus vaccine (IPV), is based on poliovirus grown in a type of monkey kidney tissue culture (vero cell line), which is chemically inactivated with formalin.
• In 1955, The great virologist Jonas Salk become a worldwide superhero after developing the first effective vaccine against the life-threatening poliovirus

George Mestral:

• Velcro was invented by George de Mestral in 1941.
• He was inspired by a real-life incident when he found burrs on himself and his dog.
• Most impressively, Velcro was used in the first human artificial heart transplantation to hold together parts of the device.

Ronald Ross:

• The malaria parasite was discovered by Ronald Ross in 1897.
• He also received a Nobel prize in 1902 for his work on the discovery of the malaria parasite in the gastrointestinal tract of a mosquito.

Edward Jenner:

• The first vaccine was developed by Edward Jenner against Small Pox in 1798.
• He was also the first man to discover the concept of immunology by a vaccine.

Thus, the correct match is (a) - (ii), (b) - (iii), (c) -(i), (d) - (iv)

List-I (Inventor)	List-II (Invention)
(a) Jonas Salk	(ii) Polio Vaccine
(b) George Mestral	(iii) Velcro
(c) Ronald Ross	(i) Malarial Parasite
(d) Edward Jenner	(iv) Small Pox vaccine