The cross-section of an animal body is given below:
Which of the following animals will satisfy the above cross-section?

Which of the following is a differentiating trait of $Ascaris$?

Which of the following statements are correct about the life cycle of $Ascaris \; lumbricoides$?
$(A)$. Infective agent - Embryonated egg with $II$ Juvenile
$(B)$. Fertilised eggs containing the unsegmented ovum are passed with faeces
$(C)$. Four moultings of the larva occur: two outside in soil within the egg-shell, one in lungs and one in intestine
$(D)$. Site of location of worm - small intestine.

In filarial worms $(Wuchereria \text{ } bancrofti)$, the males are ......... in length compared to the females.

$Ascaris$ $lumbricoides$ is commonly called:

Which animal group possesses a pseudocoelom?