The scientific name of the fresh water mussel is……..
a) Helix aspersa
b) Limax maximus
c) Anodonta grandis
d) Mytilus edulis
The scientific name of the marine mussel is……..
a) Helix aspersa
b) Limax maximus
c) Anodonta grandis
d) Mytilus edulis
Which of the following phylum is first true coelomate?
a) porifera
b) platyhelminthes
c) annelida
d) aschelminthes
Explanation: annelida is derived from Greek origin ‘annelus’ means little ring
The bodies of annelids are ……..
a) non-segmented
b) superficially segmented
c) metamerically segmented
d) partially segmented
Explanation: the organs are repeated in every segment
Which of the following are true about annelids?
a) bilaterally symmetrical, triploblastic, coelomates, open circulatory system
b) bilaterally symmetrical, diploblastic, acoelomates, closed circulatory system
c) bilateral symmetrical, triploblastic, coelomates, closed circulatory system
d) radial symmetrical, diploblastic, pseudocoelomates, no circulatory system
Explanation: in earthworm, four to five pseudo-hearts are present
What is the color of blood in annelids?
a) green
b) red
c) yellow
d) colorless
Explanation: due to haemoglobin dissolved in the plasma
