Question

Which one of the following animal is correctly matched with its one characteristic feature and the taxon?

	Animal	Characteristic	Taxon
$\text{(a)}$	Millipede	Ventral nerve cord	Arachnida
$\text{(b)}$	Duckbill platypus	Oviparous	Mammalia
$\text{(c)}$	Silverfish	Pectoral & Pelvic fins	Chordata
$\text{(d)}$	Sea anemone	Triploblastic	Cnidaria

• A. $\text{b}$
• B. $\text{a}$
• C. $\text{d}$
• D. $\text{c}$

Answer 1

The correct option is A $\text{b}$

The platypus (Ornithorhynchusanatinus), sometimes referred to as the duck-billed platypus, is a semiaquatic, egg-laying mammal.
Millipede and silverfish belongs to phylum Arthropoda and ventral nerve chord is a feature of Chordata.
Sea anemone belongs to phylum Cnidaria.
So, the correct answer is option 'a'.