NEET UG · Biology

Mineral Nutrition

Essential elements, deficiency symptoms, nitrogen metabolism.

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  • Q1 · Mineral Nutrition · EASY

    Which of the following elements is NOT considered a macronutrient required by plants?

  • Q2 · Mineral Nutrition · MEDIUM

    A plant shows interveinal chlorosis (yellowing between the veins) in younger leaves while the veins remain green. This symptom is most characteristic of deficiency of which element?

  • Q3 · Mineral Nutrition · MEDIUM

    In biological nitrogen fixation, the enzyme nitrogenase catalyzes the conversion of atmospheric nitrogen to ammonia. Which of the following correctly represents this reaction?

  • Q4 · Mineral Nutrition · HARD

    Necrosis at the tips and margins of older leaves along with stunted growth is observed in a crop plant. The soil analysis shows adequate nitrogen but the plant shows symptoms similar to drought stress. Which mineral deficiency is most likely?

  • Q5 · Mineral Nutrition · EASY

    Which enzyme is responsible for the reduction of nitrate (NO3-) to nitrite (NO2-) in plants during nitrogen assimilation?

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