Animal Kingdom Question 1035
Question: Which of the following statement(s) is/are correct regarding phylum aschelminthes?
(i) The body is circular in cross-section hence known as roundworms. (ii) Alimentary canal is complete with a well- developed muscular pharynx. (iii) Sexes are separate (dioecious), i.e., males and females are distinct. (iv) Nephridia help in osmoregulation and excretion.
Options:
A) (i) and (ii)
B) (iii) and (iv)
C) (i), (ii) and (iii)
D) All of these
Show Answer
Answer:
Correct Answer: C
Solution:
[c] Nephridia present in phylum- annelida help in osmoregulation and excretion.
In aschelminthes, an excretory tube removes body wastes from the body cavity through the excretory pore.