Phylum - Annelida MCQ Question with Answer

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

Question No : 1
A chitinous lining in earthworm is found in

pharynx

stomach

typholsole

gizzard

Question No : 2
Earthworm is useful because it

helps in fixing atmospheric nitrogen

helps in making the land porous

kills harmful bacteria of the soil

helps in making the land fertile by turning it upside down

Question No : 3
Locomotion in Earthworm is directly facilitated by

mucus secreted by epidermis

segmentation of the body

rhythmic contraction of segments

setae and contraction of segments

Question No : 4
Blood glands in Earthworm are associated with

excretion

digestion

secretion

none of these

Question No : 5
5. The pre-typhlosolar region in Pheretima extends from

fifth to twenty-sixth segment

first to twenty-sixth segment

fifteenth to twenty-sixth segment

immediately after clitellar region to twenty sixth segment

Question No : 6
A skeleton like function during locomotion of Pheretima is performed by

alimentary canal laiden with mud

blood

coelmic fluid

ventral nerve cord

Question No : 7
Role of typhlosole in the intestine of earthworm is

to kill bacteria

to increase absorptive surface

to produce digestive enzymes

to control blood flow