Which of the following is not an extrinsic fa | vedclass

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(D) Plant growth is influenced by both extrinsic (external) and intrinsic (internal) factors.Extrinsic factors include environmental conditions such a

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Growth regulators and genetic factors

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(D) Plant growth is influenced by both extrinsic (external) and intrinsic (internal) factors.Extrinsic factors include environmental conditions such as light,temperature,water,oxygen $(O_2)$,carbon dioxide $(CO_2)$,and nutrients.Intrinsic factors include genetic factors and plant growth regulators (hormones) such as auxins,gibberellins,cytokinins,etc.Therefore,growth regulators and genetic factors are classified as intrinsic factors,not extrinsic factors.

Which of the following is not an extrinsic factor affecting plant growth?

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