The correct answer to the question is option 2, Dolly. Dolly is the name of the first mammal clone sheep. This groundbreaking achievement was accomplished by a team of scientists in 1996 at the Roslin Institute in Scotland. Dolly was created using a technique called somatic cell nuclear transfer, where the nucleus of an adult sheep`s mammary gland cell was inserted into an enucleated egg. The egg then developed into an embryo and was implanted into a surrogate mother sheep, eventually giving birth to Dolly.

Option 1, Noori, is not the correct answer. There is no significant information or scientific achievement associated with the name Noori.

Option 3, Louise, is also not the correct answer. Louise Brown was the name of the first baby to be born through in vitro fertilization, which is unrelated to the cloning of sheep.

Option 4, Durga, is incorrect as well. Durga is a Hindu goddess and has no connection to the cloning of sheep.

Therefore, the correct answer remains as option 2, Dolly.