CAT 2017 Set-2 | Question: 29

Question

Rearrange the following sentences to form a coherent paragraph.

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.

 

• A. $34215$
• B. $53421$
• C. $32415$
• D. $23154$