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An excess of ______ in plants and animals is toxic.

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Question

An excess of ______ in plants and animals is toxic.

Options

  • iron ore

  • magnetite

  • manganese

  • haematite

MCQ
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Solution

An excess of manganese in plants and animals is toxic.

Explanation:

An excess of manganese in plants and animals can be toxic. While manganese is an essential nutrient required in small amounts, excessive accumulation can lead to toxicity, affecting neurological and other bodily functions.

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Chapter 10: Mineral Resources - EXERCISES [Page 141]

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Morning Star Total Geography Volume 1 [English] Class 10 ICSE
Chapter 10 Mineral Resources
EXERCISES | Q I. 14. | Page 141
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