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Which one among frost and dew can be more harmful to crops?

Answer and explanation

Correct answer: Frost because ice crystals can damage tissues

Dew is liquid water that forms when a surface cools enough for water vapour to condense. Frost forms under freezing conditions, when water is deposited as ice crystals or when liquid deposits freeze. These ice crystals can injure plant tissues, especially tender leaves, flowers, and young shoots. Freezing may damage cells because water inside or around them expands or forms sharp crystals, reducing the plant’s ability to function normally.

Option D is correct because frost can cause direct cold and ice-crystal damage to crops. Dew is usually less harmful and may sometimes supply a small amount of surface moisture, although its effect depends on conditions. Mist does not normally “freeze on the surface” merely because it is mist. The word “more harmful” makes frost the best choice, even though actual damage depends on crop type, temperature, duration, and growth stage.

Related tags

FrostDewCrop Harm

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