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11.Organisms and Populations
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On based temperature plants are classified by
A
Warming
B
Climent
C
Haeckel
D
Raukiaer
Solution
(d)According to Raunkiaer temperature is of the greatest importance in the distribution of plants and the entire vegetation of the earth can be divided in to following $4 $ classes :
$(1)$ $ Megatherms $ $(2)$ $Mesotherms$
$(3)$ $ Microtherms$ $(4)$ $Hekistotherms$
Standard 12
Biology
Similar Questions
In a pond, we see plants which are free-floating; rooted – submerged; rooted emergent; rooted with floating leaves. Write the type of plants against each of them.
| Plant Name | Type |
| $(1)$ Hydrilla | ……………….. |
| $(2)$ Typha | ……………….. |
| $(3)$ Nymphaea | ……………….. |
| $(4)$ Lemna | ……………….. |
| $(5)$ Vallisnaria | ……………….. |
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