Animal Kingdom Question 623
Question: Which animal is “Non-chordate-protochordata”
[RPMT 2002]
Options:
A) Herdamania
B) Balanoglossus
C) Branchiostoma
D) Botryllus
Show Answer
Answer:
Correct Answer: B
Solution:
The Protochordata is a subphylum of the phylum Chordata, and it includes animals that have certain features of the chordates but not all. Here’s a brief explanation of the options:
Option A: Herdmania - Herdmania is a type of sea squirt or tunicate. It is a chordate but not a protochordate.
Option B: Balanoglossus - This is the correct answer. Balanoglossus is a type of acorn worm, and it is classified as a non-chordate protochordate. It is part of the phylum Hemichordata.
Option C: Branchiostoma - Branchiostoma, also known as Amphioxus or lancelet, is a type of primitive chordate. It is not a protochordate.
Option D: Botryllus - Botryllus is a type of sea squirt or tunicate. It is a chordate but not a protochordate.
BETA
