Question : A double helical model of DNA was proposed by___________.
Option 1: Watson and Crick
Option 2: Robert Hook
Option 3: Robert Brown
Option 4: Har Gobind Khorana
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Correct Answer: Watson and Crick
Solution : The correct answer is Watson and Crick.
DNA is deoxyribonucleic acid, which is found in almost all the cells that carry genetic material. Watson and Crick proposed the double-helical model of DNA in 1953. According to them, the DNA molecule consists of two strands twisted around each other.
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