Q13 of 22 Page 2

Nitrogen is an essential nutrient for plant growth. But farmers who cultivate pulse crops like green gram, Bengal gram, black gram, etc. do not apply nitrogenous fertilizers during cultivation. Why?

Rhizobium is a bacterium which lives in the roots of gram, peas, moving beans and other legumes. It can take atmospheric nitrogen and convert it into soluble form so they don’t need nitrogenous fertilizers while other plants cannot take atmospheric nitrogen.


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Unscramble the following to form terms related to modes of nutrition.

(i) RASPAEIT


(ii) ROPEHYTSAP


(iii) TOROPHAUT


(iv) SIBIOMSYS

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