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.