One of the most important thing for your online CAT preparation, whether you've started or are still gearing up to give it a try, is practicing and solving CAT previous year paper. Not only does this give you a hang of the kind of questions you can expect in your CAT exam, it also steers your preparation in the right direction. Be prepared to nail the questions in the CAT Question Paper this year. Don't wait to wrap up your syllabus to take a chance at these questions. Start with this question right away.
The five sentences (labelled 1, 2, 3, 4 and 5) given below, when properly sequenced would yield a coherent paragraph. Decide on the proper sequence of the order of the sentences and key in the sequence of the four numbers as your answer.
Question 25 : 1. Before plants can take life from atmosphere, nitrogen must undergo transformations similar to ones that food undergoes in our digestive machinery.
2. . In its aerial form nitrogen is insoluble, unusable and is in need of transformation.
3. Lightning starts the series of chemical reactions that need to happen to nitrogen, ultimately helping it nourish our earth.
4. Nitrogen — an essential food for plants — is an abundant resource, with about 22 million tons of it floating over each square mile of earth.
5. One of the most dramatic examples in nature of ill wind that blows goodness is lightning.
Of the given sentences, 5 is the best opening statement. 5 calls lightning an example of ill wind that blows goodness; 3 explains why so. So, 3 follows 5. 3 mentions nitrogen; 4 states its importance. So, 4 follows 3. 21 is a link: 2 explains that aerial nitrogen is unusable by plants and 1 expands on this. So, 53421 is the right order.
53421 is the correct answer.
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