Question

Match the following and choose the correct combination from the options given.

	Column-I		Column-II
A.	Walter Sutton	1.	Discovered penicillin
B.	Thomas Hunt Morgan	2.	Discovered the chromosomal basis of heredity
C.	James Watson	3.	Described the phenomenon of linkage and crossing over
D.	Alexander Fleming	4.	Discovered the double helical structure of DNA

• A. A- 1, B- 4, C- 2, D- 3
• B. A- 2, B- 3, C- 1, D- 4
• C. A- 3, B- 2, C- 1, D- 4
• D. A- 2, B- 3, C- 4, D- 1
• E. A- 4, B- 1, C- 2, D- 3

Answer 1

Answer: (D)

A- 2, B- 3, C- 4, D- 1

Walter Sutton - Described heredity
T.H. Morgan - Discovered linkage and crossing over
James Watson - Discovered double helical structure of DNA
Alexander Flemming - Discovered Penicillin