Q: Which one of the following is correct with regards to animals with bilateral symmetry, triploblastic body and true body cavity?
(a)Roundworm, earthworm and leech
(b)Earthworm, leech and nereis
(c)Ascaris, round worm and earthworm
(d)Earthworm, sea cucumber and sea urchin
Correct Answer: (b)
The correct answer is (b) 'Earthworm, leech and nereis'. This question from the Current Affairs domain tests knowledge of International Relations & Treaties.