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Why is frost considered more harmful to crops than dew?

Answer and explanation

Correct answer: Ice crystals can damage delicate plant cells

Direct answer: A is correct. Dew is liquid water deposited on a cool surface and is generally not associated with freezing injury. Frost forms when plant surfaces reach freezing conditions and water becomes ice. Ice crystals can form in or around plant tissues, disturb cell structures, and injure delicate leaves, flowers, or young growth. The severity depends on the crop, temperature, duration, and developmental stage, so frost is not harmful in exactly the same way in every situation. B is wrong because dew is water. C is wrong because frost requires freezing conditions. D is wrong because ordinary dew does not burn roots. Memory cue: frost means freezing injury risk.

Related tags

FrostCrop DamageAgricultureForms Of Condensation: DewFogAnd MistForms Of Condensation Dew Frost Fog And MistWater In The AtmosphereGeographyClass 12 Mcq

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