11th Class Biology Mineral Nutrition In Plants

  • question_answer 14)
    Which one of the following symptoms is not due to manganese toxicity in plants? (a) Calcium translocation in shoot opex is inhibit (b) Deficiency in both iron and zitrogen induced (c) Appearance of brown spot surrounded by chlorotic veins (d) None of the above           

    Answer:

                      (d) Manganese is an essential micronutrient which is mainly required by the leaves and seeds of plants. Manganese becomes toxic when absorded by plants in higher amounts. Its toxicity cause reduced uptake of and N, inhibition of translocation in shoot apex, brown spots surrounded by chlorotic veins etc.


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