Parts of the following sentence have been given as options. Select the option that contains a grammatical error. The team of scientists were conducting experiments to test its hypothesis.

Sentences of a paragraph are given below in jumbled order. Select the most logical order of sentences from the given options to construct a meaningful and coherent paragraph. 1. There are certain euthanasia cases that are not too contentious. 2. These days, everyone agrees that euthanasia used to further eugenics programmes was ethically repugnant. 3. For example, it is virtually commonly agreed that killing a patient against their choice (involuntary, aggressive/active, other-administered) is wrong. 4. Under the pressure of advancing the Aryan 'race' and lowering social expenditures, Adolf Hitler implemented a campaign in Germany in the late 1930s and early 1940s to eliminate children with impairments (with or without their parents' consent).

Select the most appropriate degree of comparison to fill in the blank. India is ________ than Australia.