CAT 2017 Slot 2 VARC · Question 25
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.
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.
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