Which of the following organism shows the presence of jointed appendages?

Q. Which of the following are characteristic features of phylum Mollusca?
i. Soft body
ii. Jointed legs
iii. Presence of internal/external shell
iv. Gills as the organ of respiration
v. Presence of mantle and mantle cavity
vi. Distinct body segmentation

Q. Which one of the following groups of three animals each is correctly matched with their one characteristic morphological feature?
$\begin{array}{cc}\text{Animals}& \text{Morphological feature}\\ \text{A. Liver fluke, sea anemone,}& \text{Bilateral symmetry}\\ \text{sea cucumber}& \\ \text{B. Centipede, prawn, sea urchin}& \text{Jointed appendages}\\ \text{C. Scorpion, spider, cockroach}& \text{Ventral solid nerve cord}\\ \text{D. Cockroach, locust, Taenia}& \text{Metameric segmentation}\end{array}$

Q. Which one of the following groups of three animals each is correctly matched with their one characteristic morphological feature?
$\begin{array}{cc}\text{Animals}& \text{Morphological feature}\\ \text{A. Liver fluke, sea anemone,}& \text{Bilateral symmetry}\\ \text{sea cucumber}& \\ \text{B. Centipede, prawn, sea urchin}& \text{Jointed appendages}\\ \text{C. Scorpion, spider, cockroach}& \text{Ventral solid nerve cord}\\ \text{D. Cockroach, locust, Taenia}& \text{Metameric segmentation}\end{array}$

Q. Which of the following group organisms show the presence of pharyngeal slits at some point of their development?

Q.

Characteristic features of phylum Mollusca are__________________
i. Soft body
ii. Jointed legs
iii. Presence of internal/external shell
iv. Gills as the organs of respiration
v. Presence of mantle and mantle cavity
vi. Distinct body segmentation