All the following interactions are mutualism,except

  • A
    association of algae and fungi in lichens
  • B
    association of fungi and roots of higher plants in mycorrhiza
  • C
    plant and animal relation for pollination
  • D
    association of cattle egret and grazing cattle

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Similar Questions

Character displacement takes place when there is

Match the following columns:
Column-$I$Column-$II$
$P$. Calotropis$I$. Special chemical
$Q$. Cactus and Acacia$II$. Camouflage
$R$. Monarch butterfly$III$. Thorns
$S$. Some species of insects and frogs$IV$. Glycosides

Animals eating plants are categorised separately as $A$,they are in a broad ecological context,not very different from $B$. Choose the correct option for $A$ and $B$.

$A$ : The interaction between sea anemone and clown fish is commensalism.
$R$ : The fish gets protection from predators but anemone does not appear to derive any benefit.

Match Column $-I$ with Column $-II$ and select the correct option.
Column $-I$ Column $-II$
$(a)$ Predation $(i) \ (-, 0)$
$(b)$ Commensalism $(ii) \ (+, -)$
$(c)$ Mutualism $(iii) \ (+, 0)$
$(d)$ Amensalism $(iv) \ (+, +)$

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