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Question

Plants are killed in winter by frost because

A
of desiccation and mechanical damage to the tissues
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B
no photosynthesis takes place at such low temperature
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C
respiration ceases at such low temperature
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D
their is no transpiration
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Solution

The correct option is A of desiccation and mechanical damage to the tissues
The water in cells freezes and expands. This ruptures the cell membranes.

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