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11.Organisms and Populations
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Plants are killed in winter by frost
A
Because of dessication and mechanical damage to the tissue
B
Because no photosynthesis take place at such a low temperature
C
Because respiration ceases at such low temp.
D
Because there is no transpiration
Solution
(a)When a plant is exposed to extremes of temperature it gets injured and the injuries are of three types namely desiccation, chilling and freezing.
Standard 12
Biology
Similar Questions
Match Column $I$ with Column $II$
Column-$I$ (Means of transport) |
Column-$II$ (Soil type) |
$a.$ Water | $(i)$ Colluvial |
$b.$ Air | $(ii)$ Alluvial |
$c.$ Gravity | $(iii)$ Eolian |
and choose correct option
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