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Phylum - Annelida MCQ Question with Answer

Phylum - Annelida MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 15
The excretory organs of earthworm are

kidneys
solenocytes
nephridia
green glands

Question No : 16
In the blood vascular system of earthworm there are four pairs of hearts present in the first 13 segments. These are situated in the segments

7th, 8 th, 9th and 10th
8th, 10th, 12th and 15th
8th, 9th, 12th and 13th
7th, 9th, 12th and 13th

Question No : 17
The cliteilum singulum in earthworm is formed by

12,13 and 14 segments
13,14 and 15 segments
14,15 and 16 segments
16,17 and 1&segments

Question No : 18
In earthworm testes are situated in the

10th and 11th segments
11th and 12th segments
14th and 15th segments
none of these

Question No : 19
The coelom in Pherethna is

continuous throughout
continuous throughout except in first 26 segments
continuous only in first four segments
divided into a number of compartments throughout

Question No : 20
Totally marine annelids belong to the

oligochaeta
polychaeta
hirudinea
archainnelida

Question No : 21
Annelids show advancement over the nematoda in having

metameric segmentation
true coelom
closed circulatory system
all of these

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