What is common between the trichocysts of $Paramecium$ and the nematocysts of $Hydra$?

  • A
    Attachment and defence
  • B
    Defence and offence
  • C
    Sensitivity
  • D
    Food capturing

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Which of the following phyla exhibit true metameric segmentation?

Which kingdom consists of organisms that are multicellular,aquatic or terrestrial,heterotrophic,and eukaryotic?

$S$ - Statement: $Amoeba$ possesses pseudopodia for locomotion.
$R$ - Reason: $Earthworm$ possesses jointed appendages for locomotion.

Select the incorrect statement regarding diploblastic organization.

Which character is common in phylum Echinodermata and Chordata?

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