Choose the homologous organs from the givenoptions.

$(I)$ Vertebrate hearts.

$(II)$ Vertebrate brains

$(III)$ Thorn and tendrils of Bougainvillea andcucurbita respectively

$(IV)$ Vertebrate limbs.

The correct combination is

• A

  $I$ and $II$ only

• B

  $II$ and $III$ only

• C

  $III$ and $IV$

• D

  $I, II$ and $III$