Animal Kingdom Question 1040

Question: The given figures (1 & 2) shows the germinal layer. The animals having structures shown in the figures are respectively called:

Options:

A) Diploblastic, triploblastic

B) Triploblastic, diploblastic

C) Diploblastic, diploblastic

D) Triploblastic, triploblastic

Show Answer

Answer:

Correct Answer: A

Solution:

[a] On the basis of the given figure of germinal layers, the animals belongs to 1 and 2 are respectively diploblastic and triploblastic.

Diploblastic animals have two germinal layers, outer ectoderm and inner endoderm, e.g., porifera and coelenterate.

Triploblastic animals have three germinal layers - outer ectoderm, middle mesoderm and inner endoderm, e.g., platyhelminthes, aschelminthes, annelida, arthropoda, molluscs, echinodermata and chordata.