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NEET Practice Questions (MCQs) with Answers & Solutions

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All Physics Chemistry Botany Zoology

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Toxicity of Mn inhibits function of which other elements ?

A. Fe, Mg, S B. Ca, Fe, Mg C. Mg, K, Fe D. Ca, P, S

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Which substances of soil water are degraded gradually by, atmosphere and microorganisms ?

A. Organic material B. inorganic material C. elements D. positive ions

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Which inorganic substance is obtained by N₂ - fraction ?

Ammonium

amino acid

Ammonia

Ammonium Hydroxide

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Formation of NOd₂d and NOd₃d from NHd₃d is indentified by which name ?

A. Nitration B. Denitrification C. Nitrogenation D. Nitrification

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select the mismatch

frankia-alnus

rhodospirullum-mycorrhiza

anabaena-nitrogen fixer

rhizobium-alfa alfa

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Explanation

rhodospirullum is a free living nitrogen fixer

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A : Leguminous plant are grown between crops to increase yeild. R : Rizobiumbacteria are present in the root - nodules of Leguminous plant.

A. Both Aand R are true, & R gives correct explanation of A B. Both Aand R are true, but R is not correct explanation of A. C. Ais true, but R is wrong. D. A is wrong, but R is true

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Which element is necessary for meristmatic tissue and differentiating tissues ?

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The absorption, distribution and metabolism of various mineral elements is called .....

A. dispersal of mineral B. Absorption of mineral salts C. mineral metabolism D. mineral nutrition

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The method of hydroponic in which with the use of NFT, automatically, nutrient rich solution is given, is called .....

A. Continous flowing solution culture B. Tissue culture method C. Gas culture method D. Balanced - culture solution method

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Which amino acid acts as a main donor of amino group in transamination ?

A. Glutamic acid B. Glutamine C. Glutamate dehydrogenase D. Glycine

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