MCQ
Which of the following pairs are correctly matched ?

  Animals Morphological features
$(i)$ Crocodile­ $4$-­chambered heart
$(ii)$ Sea urchin Parapodia
$(iii)$ Obelia­ Metagenesis
$(iv)$ Lemur­ Thecodont

 

  • A
    $(ii), (iii)$ and $(iv)$
  • B
    only $(i)$ and $(iv)$
  • C
    only $(i)$ and $(ii)$
  • $(i), (iii)$ and $(iv)$

Answer

Correct option: D.
$(i), (iii)$ and $(iv)$
d
(d) : Reptiles have two auricles and a partly divided ventricle except crocodiles which have four­ chambered heart. Obelia shows metagenesis $i.e.$, alternation of generations which may be defined as a phenomenon in which diploid asexual phase alternates with haploid sexual phase. Lemur has a thecodent teeth $i.e.$, the teeth are embedded in the sockets of the jaw bone.

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