NTSE Stage 2 SAT 2015 Question Paper

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Question : 5 of 100

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A leguminous plant grown in an autoclaved, sterilized soil fails to produce root nodules because

autoclaved soil is not good for root growth.
autoclaved soil is devoid of bacteria.
autoclaving reduces $\N_2$ content of soil.
plants cannot form root hairs in sucha soil.

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